## GATE Exam Life Sciences (XL) Session 8 2016 Question Paper Online Practice

/in GATE /by M Prakash#### Quiz-summary

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- Answered
- Review

- Question 1 of 125
##### 1. Question

**General Aptitude**The chairman requested the aggrieved shareholders to _____________him.

CorrectIncorrect - Question 2 of 125
##### 2. Question

Identify the correct spelling out of the given options:

CorrectIncorrect - Question 3 of 125
##### 3. Question

Pick the odd one out in the following:

13, 23, 33, 43, 53

CorrectIncorrect - Question 4 of 125
##### 4. Question

R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes.

Which of the following can be logically inferred from the above statements?

CorrectIncorrect - Question 5 of 125
##### 5. Question

If |9y – 6| = 3, then y

^{2}– 4y/3 is ______.CorrectIncorrect - Question 6 of 125
##### 6. Question

The following graph represents the installed capacity for cement production (in tonnes) and the actual production (in tonnes) of nine cement plants of a cement company. Capacity utilization of a plant is defined as ratio of actual production of cement to installed capacity. A plant with installed capacity of at least 200 tonnes is called a large plant and a plant with lesser capacity is called a small plant. The difference between total production of large plants and small plants, in tonnes is _______.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 7 of 125
##### 7. Question

A poll of students appearing for masters in engineering indicated that 60 % of the students believed that mechanical engineering is a profession unsuitable for women. A research study on women with masters or higher degrees in mechanical engineering found that 99 % of such women were successful in their professions.

Which of the following can be logically inferred from the above paragraph?

CorrectIncorrect - Question 8 of 125
##### 8. Question

Sourya committee had proposed the establishment of Sourya Institutes of Technology (SITs) in line with Indian Institutes of Technology (IITs) to cater to the technological and industrial needs of a developing country.

Which of the following can be logically inferred from the above sentence?

Based on the proposal,

(i) In the initial years, SIT students will get degrees from IIT.

(ii) SITs will have a distinct national objective.

(iii) SIT like institutions can only be established in consultation with IIT.

(iv) SITs will serve technological needs of a developing country.CorrectIncorrect - Question 9 of 125
##### 9. Question

Shaquille O’ Neal is a 60% career free throw shooter, meaning that he successfully makes 60 free throws out of 100 attempts on average. What is the probability that he will successfully make exactly 6 free throws in 10 attempts?

CorrectIncorrect - Question 10 of 125
##### 10. Question

The numeral in the units position of 211

^{870}+ 146^{127}× 3^{424}is ________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 11 of 125
##### 11. Question

**H : CHEMISTRY ( COMPULSORY)**The species having shortest B‒F bond distance is

CorrectIncorrect - Question 12 of 125
##### 12. Question

The total number of chair conformations possible for 1,2-dimethylcyclohexane is _____.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 13 of 125
##### 13. Question

‘A harmful substance persists in the environment for a very long period of time’. The

UNACCEPTABLE statement for this fact isCorrectIncorrect - Question 14 of 125
##### 14. Question

For an enzyme catalyzed reaction, the plot that correctly represents the relationship between the rate and temperature is

CorrectIncorrect - Question 15 of 125
##### 15. Question

Combinations of a process and equation are given below. The INCORRECT combination is

CorrectIncorrect - Question 16 of 125
##### 16. Question

The correct comparison of pK

_{a}’s of [Fe(H_{2}O_{)6}]^{2+}, [Fe(H_{2}O)_{6}]^{3+}, V_{2}O_{5}and N_{2}O_{5}isCorrectIncorrect - Question 17 of 125
##### 17. Question

Given: The potential energy of two electrons separated by Bohr radius is 27.211 eV. The first Bohr radius of hydrogen is 0.5292 Å. The electron makes an orbit of radius 0.5295Å around the nucleus in hydrogen.

The calculated ionization energy (eV) of hydrogen atom is __________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 18 of 125
##### 18. Question

The crystal field stabilization energy (excluding pairing energy, if any) of [CoCl

_{4}]^{2‒}in Δ_{o}units is _________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 19 of 125
##### 19. Question

The correct statement is

CorrectIncorrect - Question 20 of 125
##### 20. Question

Ferrous sulfate on reaction with potassium hexacyanochromate(III) produces a brick red complex. The number of unpaired electrons on Fe in the red complex is _________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 21 of 125
##### 21. Question

The major product formed in the following reaction is (ignore product stereochemistry)

CorrectIncorrect - Question 22 of 125
##### 22. Question

When 1.0 g of urea (Molecular Weight = 60) is dissolved in 200 g of solvent S, the freezing point of S is lowered by 0.25°C. When 1.5 g of a non-electrolyte Y is dissolved in 125 g of S, the freezing point of S is lowered by 0.20°C. The molecular weight of Y is ___________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 23 of 125
##### 23. Question

The major product formed in the following reaction is

CorrectIncorrect - Question 24 of 125
##### 24. Question

For a weak acid at 298 K the molar conductivities (in ohm

^{‒1}m^{2}mol^{‒1}), at infinite dilution and 0.04 mol dm^{‒3}are 4.3 × 10^{‒3}and 1.0 × 10^{‒3}, respectively. The degree of dissociation of the acid (0.04 mol dm^{‒3}) at 298 K is ________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 25 of 125
##### 25. Question

For propene at 298 K, the molar enthalpy of hydrogenation is ‒124.27 kJ mol

^{‒1}and the standard enthalpy of formation is 20.42 kJ mol^{‒1}. For propane at 298 K, the standard enthalpy of formation in kJ mol^{‒1}is______________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 26 of 125
##### 26. Question

**I : BIOCHEMISTRY**Heterologous expression of green fluorescent protein is possible because the genetic code is

CorrectIncorrect - Question 27 of 125
##### 27. Question

Phosphoglucose isomerase was incubated with 0.2 M of glucose 6-phosphate. On reaching equilibrium, 55% of glucose 6-phosphate was converted to fructose 6-phosphate. The equilibrium constant for this reaction is _______.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 28 of 125
##### 28. Question

Hydrolysis of a peptide involves cleavage of the bond between the atoms

CorrectIncorrect - Question 29 of 125
##### 29. Question

Inter-conversion of UDP-glucose and UDP-galactose is catalyzed by

CorrectIncorrect - Question 30 of 125
##### 30. Question

Gel filtration profile and corresponding activity data for a pure enzyme are shown in the figure below. The same enzyme sample on SDS-PAGE runs as a 30 kDa polypeptide.

Which one of the following is the correct interpretation of the data?

CorrectIncorrect - Question 31 of 125
##### 31. Question

Amino acid residues predominantly involved in protein-DNA interactions are

CorrectIncorrect - Question 32 of 125
##### 32. Question

Cellulose serves as a structural polymer whereas starch does not. This is because cellulose contains

CorrectIncorrect - Question 33 of 125
##### 33. Question

Molar absorption spectra labeled (i), (ii) and (iii) for three different amino acids are shown below.

Which one of the following is the correct combination of spectral assignments?

CorrectIncorrect - Question 34 of 125
##### 34. Question

The fluidity of a phospholipid membrane increases when the fatty acid

CorrectIncorrect - Question 35 of 125
##### 35. Question

Polypeptides are biosynthesized on the ribosomes inside the cell. Chemical synthesis of polypeptides is also possible through Merrifield’s solid-phase peptide synthesis. In both the cases the polypeptide chain is extended one amino acid at a time. The direction of polypeptide synthesis is from

CorrectIncorrect - Question 36 of 125
##### 36. Question

Four groups of metabolites are given below. Choose the group in which all the compounds contain at least one bond whose ΔG’° of hydrolysis is ≤ −7.0 kcal/mole.

CorrectIncorrect - Question 37 of 125
##### 37. Question

The ΔG’° for the malate dehydrogenase catalyzed step of Krebs cycle is +7.1 kcal/mole. Nevertheless, the conversion of malate to oxaloacetate in vivo proceeds spontaneously because the subsequent reaction that consumes oxaloacetate has a ΔG’° of

CorrectIncorrect - Question 38 of 125
##### 38. Question

When freshly isolated intact mitochondria were incubated with ADP and inorganic phosphate neither the oxygen consumption nor the ATP synthesis could be detected. Addition of succinate resulted in increased oxygen consumption as well as ATP synthesis with time. Subsequent addition of cyanide to this system will result in which one of the following?

CorrectIncorrect - Question 39 of 125
##### 39. Question

Three micrograms of a circular plasmid of 4200 bp was digested with a restriction enzyme and subjected to agarose gel electrophoresis. Five DNA fragments of different sizes were observed and their sizes summed up to 4200 bp. The number of picomoles of DNA ends generated after complete digestion with the enzyme is _______.

(Given: average molecular weight of each base pair is 660 Da)CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 40 of 125
##### 40. Question

An enzyme was purified using ion-exchange chromatography and the results are shown in the table below.

Which one of the following is the correct interpretation of these data?

CorrectIncorrect - Question 41 of 125
##### 41. Question

Aspartate residues are found in the active sites of many enzymes. The pK

_{a}for the β-carboxylate of aspartate is 3.86. At physiological pH this group can function asCorrectIncorrect - Question 42 of 125
##### 42. Question

Kinetic parameters for the enzyme fumarase with three different substrates are given below.

The specificity of fumarase for the substrates decreases in the order

CorrectIncorrect - Question 43 of 125
##### 43. Question

A polypeptide with the amino acid sequence ‘AGKPDHEKAHL’ was dissolved in a buffer of pH 1.8. The predominant form of the polypeptide will have a net charge of

CorrectIncorrect - Question 44 of 125
##### 44. Question

An N-terminal His-tagged protein of molecular weight 40 kDa was purified using Ni-NTA column. This protein sample was subjected to SDS-PAGE. A western blot of the same using anti-His antibodies is shown below.

Which one of the following interpretations is correct?

CorrectIncorrect - Question 45 of 125
##### 45. Question

The sequence of a polypeptide that forms a transmembrane helix is shown below.

Which one of the following segments of the peptide is most likely to span the membrane?

CorrectIncorrect - Question 46 of 125
##### 46. Question

**J : BOTANY**Which of the following is most abundant in the aleurone layer of wheat seeds?

CorrectIncorrect - Question 47 of 125
##### 47. Question

Which of the following does NOT use xylem to transport water?

CorrectIncorrect - Question 48 of 125
##### 48. Question

Which of the following is the closest ancestor of all land plants?

CorrectIncorrect - Question 49 of 125
##### 49. Question

4′,6 diamidino 2-phenylindole (DAPI) is a fluorescent dye used to stain the nucleus. Which of the following plant cells, when mature, cannot be stained by DAPI?

CorrectIncorrect - Question 50 of 125
##### 50. Question

The uptake of nitrogen (N) and phosphorus (P) by plant roots often involves interaction between root and some symbiotic organisms. Which of the following associations is most commonly found for the uptake of these two nutrients?

CorrectIncorrect - Question 51 of 125
##### 51. Question

Which of the following summarizes the role of Casparian strip in transport of water in the root?

CorrectIncorrect - Question 52 of 125
##### 52. Question

Atropine is a drug used in the management of pesticide poisoning. Which of the following plants can serve as a commercial source of this anticholinergic drug?

CorrectIncorrect - Question 53 of 125
##### 53. Question

Which of the following is NOT involved in plant immune response?

CorrectIncorrect - Question 54 of 125
##### 54. Question

Which of the following is a neutral phenomenon?

CorrectIncorrect - Question 55 of 125
##### 55. Question

When a plant is infected by a pathogen at one site, the distal parts of the plant and neighboring plants develop increased resistance to subsequent pathogen attack. Which of the following molecules mediates this long-distance signal?

CorrectIncorrect - Question 56 of 125
##### 56. Question

An inbred line of a plant with red flower and tall stem was crossed to another inbred line with white flower and short stem. The F1 plants, which all had red flower and tall stem, were backcrossed to the line with white flower and short stem, and the following F2 individuals were obtained: 103 red, tall; 89 white, short; 26 red, short; and 23 white, tall. What is the recombination percentage between the flower color locus and the stem height locus.

CorrectIncorrect - Question 57 of 125
##### 57. Question

Consider the following pathway controlling time to flowering in wheat:

If batch P of wheat seed is vernalized before sowing and batch Q is not vernalized, then which of the following statements is most likely to be correct?

CorrectIncorrect - Question 58 of 125
##### 58. Question

The three plots P, Q and R (in different units) in the graph below represent the dependence of photosynthesis rate (PR), leaf expansion rate (LER) and translocation rate of assimilates (TR) in a plant on leaf water potential. Which of the following statements is correct in this regard?

CorrectIncorrect - Question 59 of 125
##### 59. Question

PIN proteins are plasma membrane-localized carrier proteins required for polar auxin transport in plants. Four different carrier proteins are shown in the diagram below labeled P1-P4. Arrow indicates the direction of auxin flow. Which among these is most likely to be a PIN protein?

CorrectIncorrect - Question 60 of 125
##### 60. Question

An RFLP marker shows sequence polymorphism in two ecotypes (X and Y) of a plant. In ecotype X, the marker contains one GAATTC site in its sequence, whereas in Y it has the sequence GAAATC at the same site. The rest of the sequence is identical in both ecotypes. In a genotyping experiment, the marker was PCR amplified from four different seedlings (P, Q, R, S), completely digested with EcoRI and the products were analyzed by electrophoresis. The diagram below shows the band patterns obtained. Based on the information provided, which of the following statements is correct?

CorrectIncorrect - Question 61 of 125
##### 61. Question

The cell surface expands differently in different plant cells. Two common modes of expansion are shown below (X and Y). Each rectangular box represents a cell marked with dots on its surface. The spacing between the dots changes after the cell has undergone expansion as indicated by the arrow. Which of the following statements is correct with respect to the growth of root hair and pollen tube?

CorrectIncorrect - Question 62 of 125
##### 62. Question

Hardy Weinberg’s equilibrium for a locus with two alleles p and q is mathematically defined as P

^{2}+ Q^{2}+ 2PQ = 1. Which of the following equations represents the corresponding equilibrium for a locus with three alleles p, q and r? (P, Q and R represent the frequencies of p, q and r, respectively)CorrectIncorrect - Question 63 of 125
##### 63. Question

The continuous and dashed lines in the following graph represent the velocity of sap flow in two different parts of a plant at different times of a day. Which of the following statements is most appropriate based on this graph?

CorrectIncorrect - Question 64 of 125
##### 64. Question

Given below are the names of some genes/enzymes and their use in genetically modified crops. Match the two columns.

Gene/enzyme Commercial use

————— ——————P. Bt gene i. Golden rice

Q. β-carotene biosynthetic genes ii. insect resistance

R. ACC deaminase iii. herbicide resistance

S. EPSP synthase iv. fruit ripening

CorrectIncorrect - Question 65 of 125
##### 65. Question

The basic tenets of the ABC model of Arabidopsis flower development are shown below along with a diagram.

i. A class genes acting alone determine sepal identity

ii. A and B class genes acting together determine petal identity

iii. B and C class genes acting together determine stamen identity

iv. C class genes acting alone determine carpel identity

v. A and C class genes mutually inhibit each otherWhich of the following organ arrangements is found in an A class mutant?

CorrectIncorrect - Question 66 of 125
##### 66. Question

**K: MICROBIOLOGY**Which one of the following is the most appropriate technique to determine the relatedness of two bacterial species?

CorrectIncorrect - Question 67 of 125
##### 67. Question

Which one of the following phages undergoes non-integrative lysogenic phase?

CorrectIncorrect - Question 68 of 125
##### 68. Question

Which one of the following is NOT a part of human microbiome?

CorrectIncorrect - Question 69 of 125
##### 69. Question

Resident macrophages of _________ are called Kupffer cells.

CorrectIncorrect - Question 70 of 125
##### 70. Question

The enzyme responsible for generation of hypochlorous ions during phagocytosis is

CorrectIncorrect - Question 71 of 125
##### 71. Question

Teichoic acid is composed of repetitive units of

CorrectIncorrect - Question 72 of 125
##### 72. Question

Biofilm produced by bacteria is detected by

CorrectIncorrect - Question 73 of 125
##### 73. Question

The precursor for the synthesis of aromatic amino acids is

CorrectIncorrect - Question 74 of 125
##### 74. Question

The net yield of NADH in the Embden-Meyerhof pathway in E. coli is________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 75 of 125
##### 75. Question

E. coli ribonuclease contains 124 amino acids. The number of nucleotides present in the gene encoding the protein is _______________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 76 of 125
##### 76. Question

Which of the following infectious agents cross the blood-brain barrier?

(P) Streptococcus pneumoniae (Q) Coxsackie virus

(R) Rotavirus (S) Streptococcus pyogenesCorrectIncorrect - Question 77 of 125
##### 77. Question

At OD

_{540nm}= 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i) maximum and (ii) minimum number of cells?(P) Mycoplasma pneumoniae (Q) Micrococcus luteus

(R) Bacillus subtilis (S) Escherichia coli

CorrectIncorrect - Question 78 of 125
##### 78. Question

Which one of the following enzyme combinations allows some bacteria to utilize acetate through glyoxylate pathway?

(P) Isocitrate lyase (Q) Isocitrate dehydrogenase

(R) Succinyl CoA synthetase (S) Malate synthase

CorrectIncorrect - Question 79 of 125
##### 79. Question

The decimal reduction time (D

_{121}) for Clostridium botulinum spores is 0.2 min. The time required to reduce the spore count from 10^{12}to one spore at 121°C is_______ minutes.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 80 of 125
##### 80. Question

E. coli requires three genes, galK (kinase), galT (transacetylase) and galE (epimerase) to utilize galactose. If there is a mutation in any one of these genes, the mutant cannot utilize galactose. Which one of the following combinations of merodiploids will support the growth of mutants on galactose?

(P) galK

^{+}galT^{+}galE^{–}/ galK-galT^{+}galE^{–}(Q) galK-galT

^{+}galE^{–}/ galK^{+}galT^{–}galE^{+}(R) galK

^{+}galT^{–}galE^{–}/ galK^{–}galT^{–}galE^{+}(S) galK

^{+}galT^{+}galE^{–}/ galK^{+}galT^{–}galE^{+}CorrectIncorrect - Question 81 of 125
##### 81. Question

Nitrogenase reduces N

_{2}to NH_{3}. Metal co-factors required for this activity are __________.CorrectIncorrect - Question 82 of 125
##### 82. Question

If a bacterial cell contains 5,000 genes and if the average mutation frequency per gene is 2 ×10

^{–4}per generation, the average number of new mutations per generation is _________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 83 of 125
##### 83. Question

The growth profile of E. coli on glucose plus lactose is shown below. The specific growth rate of the second exponential phase is____h

^{–1}.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 84 of 125
##### 84. Question

Match the cell structure components given in Group I with appropriate functions from Group II.

**Group I Group II**(P) Cell membrane (I) Nutrient transport

(Q) Purple membrane (II) Photosynthesis

(R) Cisternae (III) Active transport

(S) Outer membrane (IV) Protein glycosylation

(V) Light-driven proton transport

CorrectIncorrect - Question 85 of 125
##### 85. Question

Match the antibiotics given in Group I with appropriate targets from Group II.

**Group I Group II**(P) Nalidixic acid (I) RNA polymerase

(Q) Tetracycline (II) DNA gyrase

(R) Erythromycin (III) DNA polymerase

(S) Rifampin (IV) 50S ribosomal subunit

(V) Aminoacyl tRNA

CorrectIncorrect - Question 86 of 125
##### 86. Question

**L: Zoology**Acorn worms (Saccoglassus sp.) belong to which ONE of the following Phyla?

CorrectIncorrect - Question 87 of 125
##### 87. Question

A population of Bees develops resistance to pesticides and the trait gets fixed within a few generations. This is an example of

CorrectIncorrect - Question 88 of 125
##### 88. Question

The nature of the polymorphic DNA fragment used for mapping is

CorrectIncorrect - Question 89 of 125
##### 89. Question

The sex of a Drosophila melanogaster, which has 4 copies of X-chromosomes and 4 sets of autosomes will be

CorrectIncorrect - Question 90 of 125
##### 90. Question

Which of the following cations are found in higher concentration in extracellular fluid as compared to intracellular fluid in animals?

CorrectIncorrect - Question 91 of 125
##### 91. Question

Detoxification of alcohol occurs in liver cells where peroxisomal enzymes remove hydrogen from it, which is

CorrectIncorrect - Question 92 of 125
##### 92. Question

When cells are treated with cyanide, which ONE of the following organelles will have the highest level of cyanide inside?

CorrectIncorrect - Question 93 of 125
##### 93. Question

Toxoplasmosis in humans is caused by Toxoplasma gondii, an obligate intracellular parasite with two different life cycles, sexual and asexual. The sexual cycle occurs in which ONE of the following definitive hosts?

CorrectIncorrect - Question 94 of 125
##### 94. Question

Which ONE of the following is often a life-threatening systemic inflammatory response?

CorrectIncorrect - Question 95 of 125
##### 95. Question

During the gastrulation stage of amphibian development, ectoderm formation takes place by the expansion of epithelial cell sheet over mesodermal cells. This type of cell movement is termed as

CorrectIncorrect - Question 96 of 125
##### 96. Question

In a population, 600 individuals have MM blood group, 300 have MN blood group and 100 have NN blood group. What will be the frequencies of M and N alleles in this population?

CorrectIncorrect - Question 97 of 125
##### 97. Question

The molecules, hexanoic acid, lysine, histidine and glucose, each contain 6 carbon atoms, but have completely different properties due to the presence of different functional groups. Which ONE of these molecules has a high calorific value?

CorrectIncorrect - Question 98 of 125
##### 98. Question

The primary function of polysaccharides attached to glycoproteins in the animal cell membrane is to

CorrectIncorrect - Question 99 of 125
##### 99. Question

Which ONE of the following mechanisms is used to coordinate the expression of multiple, related genes in eukaryotic cells?

CorrectIncorrect - Question 100 of 125
##### 100. Question

In an experiment involving development of 64-cell stage sea urchin, an isolated animal hemisphere was combined with isolated micromeres. Which ONE of the following will be the resulting structure?

CorrectIncorrect - Question 101 of 125
##### 101. Question

Glycoprotein hormones, hCG and eCG, are synthesized in women and mares respectively, during pregnancy. Both of these chorionic gonadotropin hormones

CorrectIncorrect - Question 102 of 125
##### 102. Question

Entamoeba histolytica is an intestinal parasite that causes dysentery in humans. This parasite resides in the isotonic environment of intestine and other tissues in the human body and does not possess contractile vacuoles. If this parasite is placed in fresh water, it will

CorrectIncorrect - Question 103 of 125
##### 103. Question

In an experiment involving Drosophila development, a large amount of purified bicoid mRNA was injected into the posterior end of a wild-type embryo, the resulting developing embryo will have

CorrectIncorrect - Question 104 of 125
##### 104. Question

The migratory desert locust, Schistocerca gregaria, exists in two mutually exclusive forms: a short-winged, uniformly colored, solitary insect and a long-winged, brightly colored, gregarious morph. These phenotypes depend on crowding. Such phenotypic plasticity is called

CorrectIncorrect - Question 105 of 125
##### 105. Question

Given below is the list of animals and their respective characteristics.

Animals Characteristics

I. Sea anemone i. Three pairs of jointed legs

II. Bluefly ii. Diploblastic acoelomate

III. Starfish iii. Collar cells

IV. Sponge iv. Tube feet

Which ONE of the following represents the correct match?

CorrectIncorrect - Question 106 of 125
##### 106. Question

**M: FOOD TECHNOLOGY**Bread staling is caused by _________.

CorrectIncorrect - Question 107 of 125
##### 107. Question

The grades of tea in the increasing order of their leaf size are ____, _____ and _____ .

CorrectIncorrect - Question 108 of 125
##### 108. Question

Fruit juice is being pasteurized in a tubular heat exchanger. The retention time in holding tube of 0.2 m

^{2}cross sectional area is 3 seconds. If the flow rate of juice is 0.4 m^{3}s^{–1}, the length of the holding tube in m, is _____.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 109 of 125
##### 109. Question

The oil, which experiences flavor reversion even at the lower peroxide value is _______.

CorrectIncorrect - Question 110 of 125
##### 110. Question

80 kg of wheat containing 10 kg of moisture has been dried to a moisture content of 8% wet basis in 3 hours under constant rate period of drying. The drying rate in kg h

^{–}1 is _____CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 111 of 125
##### 111. Question

The rate of cream separation in a disc bowl centrifuge can be increased by ______

CorrectIncorrect - Question 112 of 125
##### 112. Question

Rigor mortis is caused due to __________ .

CorrectIncorrect - Question 113 of 125
##### 113. Question

Oxygen is permeating through an EVOH film of thickness ‘t’ and solubility coefficient ‘S’. If diffusivity of oxygen through the film is ‘D’, then permeability of oxygen through the film will be ______.

CorrectIncorrect - Question 114 of 125
##### 114. Question

Condensing steam is used to heat vegetable oil in a double pipe co-current heat exchanger. If the inlet and outlet temperature of steam are T

_{hi}and T_{ho}, and for vegetable oil T_{ci}and T_{co}, respectively, the log mean temperature difference (ΔT_{LM}) will be _______CorrectIncorrect - Question 115 of 125
##### 115. Question

To produce Blue veined cheese, the curd is inoculated with strains of ________.

CorrectIncorrect - Question 116 of 125
##### 116. Question

Match the food spoilage organisms given in Column I with the associated foods given in Column II

**Column I Column II**P. Clostridium botulinum 1. Fish

Q. Salmonella spp. 2. Cooked starch foods

R. Vibrio parahaemolyticus 3. Meat, egg and poultry

S. Bacillus cereus 4. Canned foods

CorrectIncorrect - Question 117 of 125
##### 117. Question

Fluid is flowing inside a pipe of radius ‘R’ in fully developed laminar flow. If the velocity of the fluid at the centre at a distance ‘L’ is ‘v

_{max}’, velocity at radial distance of ¾ (R) will be __times v_{max}CorrectIncorrect - Question 118 of 125
##### 118. Question

The amount of sugar to be added (kg) to 40 kg of mango pulp to increase its total soluble solids from 20% wt. to 65% wt. is ________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 119 of 125
##### 119. Question

**a) Assertion:**Acidulates are added in soft drinks to provide a buffering action.**r) Reason:**Buffers tend to prevent changes in pH and prevent excessive tartness.Choose the correct answer from the following

CorrectIncorrect - Question 120 of 125
##### 120. Question

The D

_{121}and Z values for C. botulinum spores in canned food are 0.2 min and 10℃, respectively. Total time required in min, to reduce the spores from 10^{2}to 10^{–6}at 111℃ is _______ .CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 121 of 125
##### 121. Question

In a typical Psychrometric Chart shown below, the processes OP, OQ and OR related to air water vapor mixture are _____, _______ and __________.

CorrectIncorrect - Question 122 of 125
##### 122. Question

Match the enzymes in Column I with their functions in Column II

**Column I**P. Amylase

Q. Invertase

R. Phosphatase

S. Protease

**Column II**1. Conversion of sucrose to glucose and fructose

2. Softening of dough

3. Effectiveness of pasteurization

4. Conversion of starch to maltose

CorrectIncorrect - Question 123 of 125
##### 123. Question

Match the terms in Column I with their most appropriate description in Column II

**Column I**P. Enrichment

Q. Fortification

R. Supplementation

S. Complementation

**Column II**1. Overcome the deficiency of nutrients by mixing of two plant sources

2. Overcome the deficiency of nutrients from a synthetic source

3. Restoration of nutrients which are lost during processing

4. Addition of nutrients which may or may not originally present

CorrectIncorrect - Question 124 of 125
##### 124. Question

Match the products in Column I with their Original Phase in Column II

**Column I Column II**P. Milk 1. Colloidal

Q. Butter 2. Solution

R. Lactose 3. Water in oil emulsion

S. Casein 4. Oil in water emulsion

CorrectIncorrect - Question 125 of 125
##### 125. Question

a)

**Assertion:**Presence of low sulphur containing amino acids makes casein in milk to boil, sterilize and concentrate without coagulation even at higher temperatures.r)

**Reason:**This is due to the restricted formation of di-sulphide bonds resulting in increased stability.Choose the correct answer from the following

CorrectIncorrect

## GATE Exam Engineering Sciences (XE) Session 8 2016 Question Paper Online Practice

/in GATE /by M Prakash#### Quiz-summary

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- Answered
- Review

- Question 1 of 153
##### 1. Question

**General Aptitude**The chairman requested the aggrieved shareholders to _____________him.

CorrectIncorrect - Question 2 of 153
##### 2. Question

Identify the correct spelling out of the given options:

CorrectIncorrect - Question 3 of 153
##### 3. Question

Pick the odd one out in the following:

13, 23, 33, 43, 53

CorrectIncorrect - Question 4 of 153
##### 4. Question

R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes.

Which of the following can be logically inferred from the above statements?

CorrectIncorrect - Question 5 of 153
##### 5. Question

If |9y – 6| = 3, then y

^{2}– 4y/3 is ______.CorrectIncorrect - Question 6 of 153
##### 6. Question

The following graph represents the installed capacity for cement production (in tonnes) and the actual production (in tonnes) of nine cement plants of a cement company. Capacity utilization of a plant is defined as ratio of actual production of cement to installed capacity. A plant with installed capacity of at least 200 tonnes is called a large plant and a plant with lesser capacity is called a small plant. The difference between total production of large plants and small plants, in tonnes is _______.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 7 of 153
##### 7. Question

A poll of students appearing for masters in engineering indicated that 60 % of the students believed that mechanical engineering is a profession unsuitable for women. A research study on women with masters or higher degrees in mechanical engineering found that 99 % of such women were successful in their professions.

Which of the following can be logically inferred from the above paragraph?

CorrectIncorrect - Question 8 of 153
##### 8. Question

Sourya committee had proposed the establishment of Sourya Institutes of Technology (SITs) in line with Indian Institutes of Technology (IITs) to cater to the technological and industrial needs of a developing country.

Which of the following can be logically inferred from the above sentence?

Based on the proposal,

(i) In the initial years, SIT students will get degrees from IIT.

(ii) SITs will have a distinct national objective.

(iii) SIT like institutions can only be established in consultation with IIT.

(iv) SITs will serve technological needs of a developing country.CorrectIncorrect - Question 9 of 153
##### 9. Question

Shaquille O’ Neal is a 60% career free throw shooter, meaning that he successfully makes 60 free throws out of 100 attempts on average. What is the probability that he will successfully make exactly 6 free throws in 10 attempts?

CorrectIncorrect - Question 10 of 153
##### 10. Question

The numeral in the units position of 211

^{870}+ 146^{127}× 3^{424}is ________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 11 of 153
##### 11. Question

**A : ENGINEERING MATHEMATICS (COMPULSORY)**A company records heights of all employees. Let X and Y denote the errors in the average height of male and female employees respectively. Assume that X ~ N(0, 4) and Y ~ N(0, 9) and they are independent. Then the distribution of Z = (X + Y)/2 is

CorrectIncorrect - Question 12 of 153
##### 12. Question

The volume of the solid obtained by revolving the curve y

^{2}= x, 0 ≤ x ≤ 1 around y-axis isCorrectIncorrect - Question 13 of 153
##### 13. Question

Let y(x be the solution of the initial value problem y(0) = 0. Find the value of

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 14 of 153
##### 14. Question

Which of the following is a quasi-linear partial differential equation?

CorrectIncorrect - Question 15 of 153
##### 15. Question

Let P(x) and Q(x) be the polynomials of degree 5, generated by Lagrange and Newton interpolation methods respectively, both passing through given six distinct points on the x-plane. Which of the following is correct?

CorrectIncorrect - Question 16 of 153
##### 16. Question

The laurent series of f(x) = 1/(z

^{3}– z^{4}) with center at z = 0 in the region |z| > 1 isCorrectIncorrect - Question 17 of 153
##### 17. Question

The value of the surface integral over the sphere Γ given by x

^{2}+ y^{2}+ z^{2}= 1, where , and n denotes the outward unit normal , isCorrectIncorrect - Question 18 of 153
##### 18. Question

A diagnostic test for a certain disease is 90% accurate. That is, the probability of a person having (respectively, not having) the disease tested positive (respectively, negative) is 0.9. Fifty percent of the population has the disease. What is the probability that a randomly chosen person has the disease given that the person tested negative?

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 19 of 153
##### 19. Question

Let Which of the following is correct?

CorrectIncorrect - Question 20 of 153
##### 20. Question

Let f(x) = 2x

^{3}– 3x^{2}+ 69, –5 ≤ x ≤ 5. Find the point at which f attains the global maximum.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 21 of 153
##### 21. Question

Calculate where t varying from 0 to 1 and .

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 22 of 153
##### 22. Question

**B : FLUID MECHANICS**In the parallel-plate configuration shown, steady-flow of an incompressible Newtonian fluid is established by moving the top plate with a constant speed, U

_{0}= 1m/s.If the force required on the top plate to support this motion is 0.5 N per unit area (in m^{2}) of the plate then the viscosity of the fluid between the plates is __________N-s/m^{2}CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 23 of 153
##### 23. Question

For a newly designed vehicle by some students, volume of fuel consumed per unit distance travelled (qf in m3/m) depends upon the viscosity (μ) and density (ρ) of the fuel and, speed (U) and size (L) of the vehicle as

where C is a constant. The dimensions of the constant C are

CorrectIncorrect - Question 24 of 153
##### 24. Question

A semi-circular gate of radius 1m is placed at the bottom of a water reservoir as shown in figure below. The hydrostatic force per unit width of the cylindrical gate in y-direction is _______ kN. The gravitational acceleration, g = 9.8 m/s

^{2}and density of water = 1000 kg/m^{3}.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 25 of 153
##### 25. Question

Velocity vector in m/s for a 2-D flow is given in Cartesian coordinate (x, y) as Symbols bear usual meaning. At a point in the flow field, the x – and y-components of the acceleration vector are given as m/s

^{2}and -0.5 m/s^{2}, respectively. The velocity magnitude at that point is ________ m/s.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 26 of 153
##### 26. Question

If Φ(x, y) is velocity potential and Ψ(x, y) is stream function for a 2-D, steady, incompressible and irrotational flow, which one of the followings is incorrect?

CorrectIncorrect - Question 27 of 153
##### 27. Question

The flow field shown over a bluff body has considerably curved streamlines. A student measures pressures at points A, B, C, and D and denotes them as P

_{A}, P_{B}, P_{C}, and P_{D}respectively. State which one of the following statements is true. The arrow indicates the freestream flow direction.CorrectIncorrect - Question 28 of 153
##### 28. Question

A 2-D incompressible flow is defined by its velocity components in m/s as If the value of the constant c is equal to 0.1 m

^{2}/s, the numerical value of vorticity at the point x = 1 and y = 2m is _______s^{–1}.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 29 of 153
##### 29. Question

Two flow configurations are shown below for flow of incompressible, viscous flow. The inlet velocity for the diverging nozzle (Fig (i)) and free-stream velocity for flow past the bluff body (Fig(ii)) is constant. Points A and B are separation points and flow is laminar. The relation regarding velocity gradients at point A and B is (y is the direction normal to the surface at the point of separation)

CorrectIncorrect - Question 30 of 153
##### 30. Question

Consider a fully developed, steady, incompressible, 2-D, viscous channel flow with uniform suction and blowing velocity v

_{0}, as shown in the figure given below. The centerline velocity of the channel is 10 m/s along the x-direction. If the value of v_{0}at both the walls is 1 m/s, the value of the y-component of velocity inside the flow field is __________ m/s.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 31 of 153
##### 31. Question

Exhaust from a kitchen goes into the atmosphere through a tapered chimney as shown. The area of cross-section of chimney at location-1 is twice of that at location-2. The flow can be assumed to be inviscid with constant exhaust density of 1 kg/m

^{3}and acceleration due to gravity, g = 9.8 m/s^{2}. If the steady, uniform exhaust velocity at location-1 is U = 1m/s, the pressure drop across the chimney is ________ Pa.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 32 of 153
##### 32. Question

A jet of diameter 20 mm and velocity 6 m/s coming out of a water-tank standing on a frictionless cart hits a vane and gets deflected at an angle 45° as shown in the figure below. The density of water is 1000 kg/m

^{3}. Neglect all minor and viscous losses. If the cart remains stationary, the magnitude of tension in the supporting string connected to the wall is ________ N.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 33 of 153
##### 33. Question

A block is floating at the oil-water interface as shown. The density of oil is two-thirds of that of water. Given that the density of the block is 800 kg/m

^{3}and that of water is 1000 kg/m^{3}, the fraction of the total height of block in oil is ________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 34 of 153
##### 34. Question

A horizontal pipe is feeding water into a reservoir from the top with a time-dependent volumetric flow-rate, Q(m

^{3}/h) = 1 + 0.1 × t where t is time in hours. The area of the base of the reservoir is 0.5 m^{2}. Assuming that initially the reservoir was empty, the height of the water level in the reservoir after 60 minutes is __________ m.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 35 of 153
##### 35. Question

Velocity field of a 2-D steady flow is provided as The equation of the streamlines of this flow is

CorrectIncorrect - Question 36 of 153
##### 36. Question

Velocity potential and stream function in polar coordinates ( r, θ) for a potential flow over a cylinder with radius R is given as and , respectively. Here, U

_{∞}denotes uniform freestream velocity, and θ is measured counter clockwise as shown in the figure. How does the velocity magnitude, q, over the surface of the cylinder will vary?CorrectIncorrect - Question 37 of 153
##### 37. Question

Consider a laminar flow over a flat plate of length L = 1m. The boundary layer thickness at the end of the plate is δ

_{w}for water, and δ_{a}for air the same freestream velocity. If the kinematic viscosities of water and air are 1 × 10^{–6}m^{2}/s and 1.6 × 10^{–5}m^{2}/s, respectively, the numerical value of the ratio, is _________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 38 of 153
##### 38. Question

Prototype of a dam spillway ( a structure used for controlled release of water from the dam) has characteristic length of 20m and characteristic velocity of 2 m/s. A small model is constructed by keeping Froude number same for dynamic similarity between the prototype and the model. What is the minimum length-scale ratio between prototype and the model such that the minimum Reynolds’ number for the model is 100? The density of water is 1000 kg/m

^{3}and viscosity is 10^{–3}Pa-s.CorrectIncorrect - Question 39 of 153
##### 39. Question

A n orifice meter, having orifice diameter of is placed in a water pipeline having flow rate, Q

_{act}= 3 × 10^{–4}m^{3}/s. The ratio of orifice diameter to pipe diameter is 0.6. The contraction coefficient is also 0.6. The density of water is 1000 kg/m^{3}. If the pressure drop across the orifice plate is 43.5kPa, the discharge co-efficient of the orifice meter at this flow Reynolds number is _________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 40 of 153
##### 40. Question

Consider the following figures shown below. The objects are marked as A1, A2, B1, B2 and C1, C2 and the flow directions over these objects are shown by the respective arrow placed to the left of the object. Freestream velocities are same for all the cases. Amongst these objects, A1, A2, B1 and C1 are having smooth surfaces while B2 and C2 are having rough surfaces. Reynolds number is such that flow over rough surfaces become turbulent and flow over smooth surfaces can be considered laminar. All the airfoils can be considered as thin slender airfoil. Among the statements (i) to (vi) made about the drag of these objects which is/are correct?

(i) Drag of object A1 is less than drag of object A2.

(ii) Drag of Object A1 and A2 are same.

(iii) Drag of Object B1 is more than drag of object B2.

(iv) Drag of object B2 is more than drag of object B1.

(v) Drag of Object C1 is more than drag of object C2.

(vi) Drag of object C2 is more than drag of object C1.CorrectIncorrect - Question 41 of 153
##### 41. Question

Consider 2-D, steady, incompressible, fully developed flow of viscous, Newtonian fluid through two stationary parallel plates, in Cartesian co-ordinate (x, y, z) system. Assume plates are very long in x-direction, wide in z-direction (also there is no variation of velocity in z direction) and distance between them is 2h. The velocity in such a channel is given as The origin y = 0 is located at the center between the plates. If h = 48 mm and U

_{max}= 100 mm/s, difference between values of stream functions passing through y = 0 and y = h/2 is ________mm^{2}/s.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 42 of 153
##### 42. Question

A pump is used to deliver water to an overhead tank at a flow rate of Q = 4 × 10

^{–3}m^{3}/s. The pump adds1.6 kW to water. If the density of water is 1000 kg/m^{3}and acceleration due to gravity is 10 m/s^{2}, the pump head added to the flow is _________ m.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 43 of 153
##### 43. Question

Water is discharged at atmospheric pressure from a large reservoir through a long pipe of diameter d and length L. The height of the free surface of the reservoir from the discharge point is h meters. The Darcy’s friction factor of the pipe is 0.002. Neglect the velocity inside the reservoir as the reservoir is very large. Given, L = 20m, d = 40mm, density of water = 1000kg/m

^{3}and flow rate is Q = 4π × 10^{–3}m^{3}/s. Assume gravitational acceleration, g = 10 m/s^{2}. The value of h is _______m.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 44 of 153
##### 44. Question

**C : Materials Science**Energy Dispersive Spectroscopy (EDS) in a typical scanning electron microscope enables elemental identification by collecting and examining which of the following:

CorrectIncorrect - Question 45 of 153
##### 45. Question

Which of the following rotational symmetry is forbidden in a perfectly periodic 3-dimensional lattice?

CorrectIncorrect - Question 46 of 153
##### 46. Question

Which of the following thermodynamic properties shows a discontinuity during a second-order phase transition?

CorrectIncorrect - Question 47 of 153
##### 47. Question

Cross slip is easily promoted in metals having

CorrectIncorrect - Question 48 of 153
##### 48. Question

For a typical metal at room temperature and atmospheric pressure, the Fermi energy is defined as the energy level for which the probability of occupancy is:

CorrectIncorrect - Question 49 of 153
##### 49. Question

Number of elements in a tensor of rank 4 is ___________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 50 of 153
##### 50. Question

Which one of the following effects is the working principle of a thermocouple?

CorrectIncorrect - Question 51 of 153
##### 51. Question

At equilibrium, the maximum number of phases that can coexist in a ternary system at constant pressure is _______.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 52 of 153
##### 52. Question

Defect-free single crystal alumina (sapphire) is

CorrectIncorrect - Question 53 of 153
##### 53. Question

Match the following processes and the products obtained:

P: Mechanical attrition 1: Thin films

Q: Physical vapour deposition 2: Plastics

R: Injection moulding 3: Nanoparticles

S: Sintering 4: Rails

5: Carbide tools

CorrectIncorrect - Question 54 of 153
##### 54. Question

In a diffraction experiment, monochromatic X-rays of wavelength 1.54 Å are used to examine a material with a BCC structure. If the lattice parameter is 4.1 Å, the angular position θ of the first diffraction peak is _________ degrees.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 55 of 153
##### 55. Question

The yield strength of a ferritic steel increases from 120 MPa to 150 MPa when the grain size is decreased from 256 μm to 64 μm. When the grain size is further reduced to 16 μm, the expected yield strength is __________ MPa.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 56 of 153
##### 56. Question

A direct bandgap semiconductor has a bandgap of 1.8 eV. The threshold value of the wavelength BELOW which this material will absorb radiation is_________ Å.

(Given : Placnk’s constant, h = 6.626 × 10

^{–34}J s, the charge of an electron, e = 1.6 × 10^{–19}C, and speed of light, c = 3 × 10^{8 }m s^{–1})CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 57 of 153
##### 57. Question

A half cell consisting of pure Ni immersed in an aqueous solution containing Ni

^{2+}ions of unknown concentration, is galvanically coupled with another half cell consisting of pure Cd immersed in a 1M aqueous solution of Cd^{2+}ions. The temperature is 25℃ and pressure is 1 atm. The standard electrode reduction potentials of Ni and Cd are −0.250 V and −0.403 V, respectively. The voltage of the cell is found to be zero. The concentration of Ni^{2+}in the solution is ____________ × 10^{−6}M.(Given: Universal gas constant, R = 8.31 J mol

^{−1}K^{−1}, Faraday’s constant, F = 96500 C mol^{−1})CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 58 of 153
##### 58. Question

Match the type of magnetism given in Group 1 with the material given in Group 2:

**Group 1 Group 2**

P: Ferromagnetic 1: Nickel oxide

Q: Ferrimagnetic 2: Sodium

R: Antiferromagnetic 3: Magnetite

S: Paramagnetic 4: CobaltCorrectIncorrect - Question 59 of 153
##### 59. Question

Gallium is to be diffused into pure silicon wafer such that its concentration at a depth of 10

^{−3}cm will be one half the surface concentration. Given that the diffusion coefficient (D) of gallium in silicon at 1355 °C is 6×10^{−11}cm^{2}s^{−1}, the time the silicon wafer should be heated in contact with gallium vapour at 1355 °C is _______ s.

(Given: erf(0.5) ≅ 0.5)CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 60 of 153
##### 60. Question

A batch of spherical titania nanoparticles, uniform in size, has a specific surface area of 125 m

^{2}g^{−1}. If the density of titania is 4.23 g cm^{−3}, the diameter of the particles is ___________ nm.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 61 of 153
##### 61. Question

Given the probability distribution function

The probability that the random variable x takes a value between 1 and √5 is ____________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 62 of 153
##### 62. Question

In the vulcanization of 50 g of natural rubber, 10 g of sulfur is added. Assuming the mer to S ratio is 1:1, the maximum percentage of cross-linked sites that could be connected is _________%.

(Given: atomic weight of S is 32 amu and molecular weight of a mer of natural rubber is 68 amu)CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 63 of 153
##### 63. Question

Match the heat treatment process of steels given in Group 1 with the microstructural feature given in Group 2:

**Group 1 Group 2**

P: Quenching 1: Bainite

Q: Normalizing 2: Martensite

R: Tempering 3: Pearlite

S: Austempering 4: Iron carbide precipitates

5: Intermetallic precipitatesCorrectIncorrect - Question 64 of 153
##### 64. Question

In the photoelectric effect, electrons are ejected

CorrectIncorrect - Question 65 of 153
##### 65. Question

The angle between [110] and [111] directions in the cubic system is ____________ degrees.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 66 of 153
##### 66. Question

**D : SOLID MECHANICS**A single degree of freedom vibrating system has mass of 5 kg, stiffness of 500 N/m and damping coefficient of 100 N-s/m. To make the system critically damped

CorrectIncorrect - Question 67 of 153
##### 67. Question

A “L” shaped robotic arm AB is connected to a motor at end A and a magnetic gripper at B as shown in the figure. If the arm is rotating with an angular velocity of 2 rad/s and an angular acceleration of 3 rad/s

^{2}, the magnitude of the acceleration (in m/s^{2}) of the end B isCorrectIncorrect - Question 68 of 153
##### 68. Question

A block of weight 100 N is in static equilibrium on an inclined plane which makes an angle 15º with the horizontal. The coefficient of friction between the inclined plane and the block is 0.3. The magnitude of friction force (in N) acting on the block is __________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 69 of 153
##### 69. Question

The lower end A of the rigid bar AB is moving horizontally on the floor towards right with a constant velocity of 5 m/s and the point B is sliding down the wall. The magnitude of the velocity of point B at the instant θ = 30º is

CorrectIncorrect - Question 70 of 153
##### 70. Question

The state of plane stress at a point in a body is shown in the figure. The allowable shear stress of the material of the body is 200 MPa. According to the maximum shear stress theory of failure the maximum permissible value of σ (in MPa) is _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 71 of 153
##### 71. Question

For a slender steel column of circular cross-section the critical buckling load is cr P

_{σ}. If the diameter of the column is doubled (keeping other material and geometrical parameters same), then the critical buckling load of the column isCorrectIncorrect - Question 72 of 153
##### 72. Question

A closed thin cylindrical pressure vessel having an internal diameter of 1000 mm and a thickness of 10 mm is subjected to an internal pressure of 4 MPa. The maximum shear stress (in MPa) induced in the cylinder is __________ (neglect the radial stress).

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 73 of 153
##### 73. Question

A solid circular shaft subjected to pure torsion develops a maximum torsional shear stress of 120MPa. Keeping the torsional moment same, if the diameter of the shaft is doubled then the maximum shear stress (in MPa) induced in the shaft is __________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 74 of 153
##### 74. Question

On a single straight track, a vehicle of mass 500 kg moving with a velocity of 25 m/s strikes another vehicle of mass 250 kg moving with a velocity 10 m/s in the same direction. After the impact, if both the vehicles stick together, the common velocity (in m/s) with which both the vehicles will move together is __________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 75 of 153
##### 75. Question

A system with three forces and a concentrated moment at A is shown in the figure. The system is replaced by an equivalent force system with a single force and a single couple at point ‘O’. The magnitude (in N-m) of the equivalent couple at ‘O’ is _________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 76 of 153
##### 76. Question

A block A on a smooth inclined plane is connected to block B as shown in the figure using an inextensible cord which pass over a mass-less and friction-less pulley. Initially, the block B is constrained to be at rest. If the constraint on block B is released, the magnitude of velocity (in m/s) of the block ‘B’ after 2 seconds from its release is __________ (assume g =10 m/s

^{2}).CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 77 of 153
##### 77. Question

The vibrating system shown in the figure carries a mass of 10 kg at the free end, where the static deflection is 1 mm. This system is to be replaced by an equivalent vibrating spring mass system having equivalent mass of 2 kg (assume g =10 m/s

^{2}). The natural frequency (in rad/s) and the stiffness (in kN/m) of the equivalent system respectively areCorrectIncorrect - Question 78 of 153
##### 78. Question

A beam having flexural rigidity EI and length L is subjected to a concentrated end moment M

_{0}as shown in the figure. For EI = 4 × 10^{3}N-m^{2}, L = 1m and M_{0}= 8kN-m, the strain energy stored (in kN-m) in the beam and the rotation (in rad) at the free end respectively areCorrectIncorrect - Question 79 of 153
##### 79. Question

At a point ‘O’ on a metal sheet a square OABC of a unit side length is drawn. The square undergoes a small uniform elastic deformation and deforms to OA*B*C* (dashed lines) as shown in the figure. All dimensions are in mm and the figure is not to scale. The normal strains ε

_{x}, ε_{y}and shear strain γ_{xy}developed in the square respectively areCorrectIncorrect - Question 80 of 153
##### 80. Question

Mohr’s circle for the state of plane stress at a point is shown in the figure. Unit of stress is MPa and the circle is drawn not to scale. Which one of the following options (stress values in MPa) is true?

CorrectIncorrect - Question 81 of 153
##### 81. Question

As shown in the figure, links AB and CD support the rigid member BD. Links AB and CD are made of aluminum alloy (E = 100 GPa) and each has a cross-sectional area of 100 mm

^{2}. All the members are pin connected and all the dimensions are in mm. Neglecting the weights of the members, the elongation (in mm) of the link AB is __________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 82 of 153
##### 82. Question

Figure shows an elastic beam of constant flexural rigidity EI and length L. The transverse deflection v(x) for the beam is represented by the equation v(x)= M

_{0}(x^{3}– x^{2}L)/(4EI L), where m_{0}is the applied couple. If L = 100 mm and M_{0}= 100 N-mm, then the magnitude of the shear force (in N) at the middle of the beam (at x = L/2) is _______CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 83 of 153
##### 83. Question

Which one of the following represents the correct bending moment diagram of the beam PQR loaded as shown in the figure?

CorrectIncorrect - Question 84 of 153
##### 84. Question

A point in a body is subjected to plane state of stress in XY plane. If σ

_{x}= 140 MPa, σ_{y}= 60 MPa and the major principal stress is 150 MPa, the magnitude of the in-plane shear stress τ_{xy}(in MPa) isCorrectIncorrect - Question 85 of 153
##### 85. Question

A 40 mm diameter rotor shaft of a helicopter transmits a torque T = 0.16 π kN-m and a tensile force P = 24 π kN. The maximum tensile stress (in MPa) induced in the shaft is __________. Use the value of π = 3.1416.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 86 of 153
##### 86. Question

A wooden block of length 400 mm, width 50 mm and depth 100 mm is subjected to uniaxial load as shown in the figure. An inclined plane ABCD is shown which makes an angle θ with the XZ plane and the line CD is parallel to the Z-axis. The normal stress on the plane ABCD is σ

_{n1}when θ = 30° and the normal stress on the plane ABCD is σ_{n2}when θ = 120°. The value of is _________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 87 of 153
##### 87. Question

For the truss shown in the figure, which one of the following statements is true?

CorrectIncorrect - Question 88 of 153
##### 88. Question

**E : THERMODYNAMICS****Notation used:**P – pressure, V – volume, T – temperature, S – entropy, H – enthalpy, U – internal energy, A – Helmholtz free energy, C

_{p}– specific heat capacity at constant pressure.

Specific properties are designated by lower case symbols.**Useful data:**

Universal gas constant R = 8.314 kJ/(kmol.K)

C_{p}of air = 1.005 kJ/(kg.K)

Ratio of ideal gas specific heats for air: γ = 1.4

Molecular mass of hydrogen: 2 kg/kmolWhich of the following thermodynamic properties is NOT an intensive property of a

thermodynamic system:CorrectIncorrect - Question 89 of 153
##### 89. Question

An U-tube manometer shows a height difference of z

_{1}between the two columns for a known gauge pressure P_{1}(both z_{1}and P_{1}in appropriate units). If the height difference between the two columns is 2z_{1}, then the corresponding gauge pressure will be:CorrectIncorrect - Question 90 of 153
##### 90. Question

Water vapour can be treated as an ideal gas,

CorrectIncorrect - Question 91 of 153
##### 91. Question

The thermal efficiency of a Carnot engine is 0.5. If the temperature of the cold reservoir is 300 K, then the temperature of the hot reservoir is:

CorrectIncorrect - Question 92 of 153
##### 92. Question

In a reversible, constant-pressure, non-flow process, heat input is given by

CorrectIncorrect - Question 93 of 153
##### 93. Question

Moist air undergoes an adiabatic saturation process such that the relative humidity of air increases. For this process,

CorrectIncorrect - Question 94 of 153
##### 94. Question

A steadily flowing ideal gas undergoes adiabatic throttling, where

T_{1}: temperature before throttling

T_{2}: temperature after throttling

Assuming no change in kinetic and potential energy due to throttling, which of the following is correct:CorrectIncorrect - Question 95 of 153
##### 95. Question

For irreversible heat transfer from a hot body to a cold body, if Δ denotes the property change of both hot and cold bodies (i.e. difference between its final and initial values), then

CorrectIncorrect - Question 96 of 153
##### 96. Question

A closed system undergoes a cyclic process. For the net work done by the system on the surroundings, which of the following statements is FALSE:

CorrectIncorrect - Question 97 of 153
##### 97. Question

Consider the following statements related to the second law of thermodynamics:

P. A cyclic heat engine cannot produce net work by exchanging heat only with one reservoir.

Q. The efficiency of a reversible heat engine is dependent on the nature and amount of working substance undergoing the cycle.

R. It is impossible to have a cyclic device which will produce no effect other than the transfer of heat from a cold body to a hot body.

S. It is impossible to have heat engines operating between a heat source and sink to have a lower efficiency than that of a reversible heat engine operating between the same source and sink.For which of the following options, BOTH the statements are inconsistent with the second law of thermodynamics:

CorrectIncorrect - Question 98 of 153
##### 98. Question

Consider the following statements related to air-standard Otto, Diesel, and Brayton cycles:

P. Brayton cycle has at least one isentropic and one isobaric process.

Q. Otto cycle has at least one isentropic and one isochoric process.

R. Diesel cycle has at least one isentropic and one isothermal process.

S. At least one of the cycles has an isothermal process.For which of the following options, BOTH the statements are consistent with the operation of the above cycles:

CorrectIncorrect - Question 99 of 153
##### 99. Question

Volumetric analysis of a hydrocarbon combustion product shows 8% CO

_{2}, 15% H_{2}O (vapour), 5.5% O_{2}and 71.5% N2. The combustion product flows steadily through a heat exchanger at 200 kPa pressure. Assume each component in the mixture to be an ideal gas. In order to avoid the condensation of H_{2}O in the heat exchanger, the minimum allowable temperature (in ℃) is ______.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 100 of 153
##### 100. Question

An equimolar mixture of two ideal gases (A, B) expands isentropically in a nozzle. The gas mixture enters the nozzle at 300 kPa, 400 K and exits at 100 kPa. Assuming the mixture to be an ideal gas, the exit temperature of the gas mixture (in K) is _________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 101 of 153
##### 101. Question

A rigid vessel of volume 10 m

^{3}is filled with hydrogen at 25℃ and 500 kPa. Due to leakage, some gas has escaped from the vessel until the pressure in the vessel drops down to 200 kPa, and the corresponding temperature of the gas inside the vessel is found to be 15℃. The amount of gas leaked (in kg) from the vessel is _________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 102 of 153
##### 102. Question

A hot ideal gas (C

_{p}= 1.2 kJ/(kg.K)) steadily flows through a turbine with inlet and exit temperatures of 1500 K and 500 K respectively. The minimum mass flow rate (in kg/s) of the hot gas to achieve a power output of 12 MW is ____________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 103 of 153
##### 103. Question

Air pressure inside a spherical balloon is proportional to its diameter. The balloon undergoes a reversible, isothermal, non-flow process. During the process, the balloon maintains its spherical shape, and the air inside the balloon consumes 2 kJ of heat. Initial air pressure inside the balloon was 120 kPa, while the initial balloon diameter was 20 cm. Assuming air to be an ideal gas, the final diameter of the balloon (in cm) is __________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 104 of 153
##### 104. Question

An air-standard diesel engine has a compression ratio of 18 (the ratio of the volume at the beginning of the compression process to that at the end of the compression process), and a cut-off ratio of 2 (the ratio of the volume at the end of the heat addition process to that at the beginning of the heat addition process). The thermal efficiency (in %) of the engine is ___________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 105 of 153
##### 105. Question

Compressed air, at 1 MPa pressure, 400 K temperature flows through a large pipe. An evacuated, insulated rigid tank of 0.5 m

^{3}volume is connected to the pipe through a valve. The valve is opened to fill the tank and the valve closes automatically when the tank pressure reaches 1 MPa. Assuming ideal gas behaviour, the final air temperature in the tank (in K) is __________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 106 of 153
##### 106. Question

A 40 kg metal block (C

_{p}= 0.5 kJ/(kg.K)) at T = 450℃ is quenched in 150 kg oil

(C_{p}= 2.5 kJ/(kg. K)) at T = 25℃. If the combined (metal block and oil) system is fully isolated from its surroundings, then the net change in the entropy (in kJ/K) of the combined system is ________________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 107 of 153
##### 107. Question

For phase change from solid (sol) to liquid (liq) state, if the slope of the solid-liquid coexistence line in the P-T diagram is negative, then:

CorrectIncorrect - Question 108 of 153
##### 108. Question

A house-hold refrigerator operates under steady state condition between an evaporator temperature of 263 K and a condenser temperature of 323 K. The heat load to the refrigerator is 3 kW. The actual COP of the refrigerator is half of that of a Carnot refrigerator operating between the same condenser and evaporator temperatures. The power required (in kW) to run the refrigerator is ___________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 109 of 153
##### 109. Question

The Maxwell relation that results from the expression for the Helmholtz free energy A = U − TS, is:

CorrectIncorrect - Question 110 of 153
##### 110. Question

**F : Polymer Science and Engineering**The polymer with minimum number of branches is

CorrectIncorrect - Question 111 of 153
##### 111. Question

Nitrile rubber is a copolymer of

CorrectIncorrect - Question 112 of 153
##### 112. Question

The functionality of 1,4-divinylbenzene in reactions involving addition across carbon-carbon double bond is

CorrectIncorrect - Question 113 of 153
##### 113. Question

The comonomer common to Nylon 66 and Nylon 46 is

CorrectIncorrect - Question 114 of 153
##### 114. Question

Polyethylene and polypropylene form an immiscible blend mainly due to

CorrectIncorrect - Question 115 of 153
##### 115. Question

Rubber modulus is

CorrectIncorrect - Question 116 of 153
##### 116. Question

The solubility parameter is determined by using

CorrectIncorrect - Question 117 of 153
##### 117. Question

‘Roller die’ consists of a combination of

CorrectIncorrect - Question 118 of 153
##### 118. Question

Resole is an example of

CorrectIncorrect - Question 119 of 153
##### 119. Question

Match the processing technique to the appropriate product listed below:

CorrectIncorrect - Question 120 of 153
##### 120. Question

For a high molecular weight polymer sample with a viscosity of 6 x 1011 Poise and a stress relaxation modulus of 3 × 10

^{6}dyne cm^{–2}at a given temperature, the relaxation time will be _____ hours.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 121 of 153
##### 121. Question

Match the following polymer additives to their function:

CorrectIncorrect - Question 122 of 153
##### 122. Question

Tensile force of 165 N is applied to a piece of vulcanized rubber of dimension 4 mm x 4 mm x 30 mm. If the sample is elongated by 50% of its original length under the same applied force, the true stress will be _______ MPa.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 123 of 153
##### 123. Question

The order of glass transition temperature for the given polymers is

[NR=natural rubber; PP=polypropylene; PE=polyethylene; PMMA=poly(methyl methacrylate)]CorrectIncorrect - Question 124 of 153
##### 124. Question

Dynamic mechanical analysis of polystyrene (T

_{g}= 100 ºC) measured at a frequency of 1 Hz shows the damping peak at 110 ºC. If the measurement is made at 104 Hz, then the peak temperature (ºC) will beCorrectIncorrect - Question 125 of 153
##### 125. Question

Match the product to the most suitable plastic listed below:

CorrectIncorrect - Question 126 of 153
##### 126. Question

The number average molecular weight for the polymerization of adipic acid and ethylene glycol (feed ratio 1:1) at 99 percent conversion is ________ g mol

^{–1}.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 127 of 153
##### 127. Question

A composite material contains 30 % by volume of uniaxially aligned glass fibres in a matrix of alkyd resin. The tensile moduli of the glass fibre and alkyd resin are 76 GPa and 3 GPa, respectively. If a tensile stress of 100 MPa is applied parallel to the fibres, the percentage longitudinal strain is _____ .

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 128 of 153
##### 128. Question

Match the elastomers listed below to the appropriate curing agent:

CorrectIncorrect - Question 129 of 153
##### 129. Question

The weight of graphite fiber (density = 1800 kg m-3) that should be added to 1.00 kg of vinyl ester resin (density = 1250 kg m

^{–3}) to produce a composite with a density of 1600 kg m-3 is _______ kg.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 130 of 153
##### 130. Question

If the values of K and a in the Mark-Houwink equation are 1.5 x 10

^{–4}dL g^{–1}and 0.60, respectively, the viscosity average molecular weight of a polymer having an intrinsic viscosity of 0.05 dL g^{–1}is _____ kg mol^{–1}.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 131 of 153
##### 131. Question

A rectangular polymer bar of length 40 mm fits exactly into a steel mold cavity and the entire assembly was heated from 20 to 100 ºC. The linear thermal expansion coefficients of the polymer and steel are 80 x 10-6 ºC

^{–1}and 11 x 10^{–6}ºC^{–1}, respectively. The strain encountered by the polymer sample along the length will be _____ %.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 132 of 153
##### 132. Question

**G: FOOD TECHNOLOGY**Bread staling is caused by _________.

CorrectIncorrect - Question 133 of 153
##### 133. Question

Arrange the grades of tea in the increasing order of their leaf size _____, _______ and ______.

CorrectIncorrect - Question 134 of 153
##### 134. Question

Fruit juice is being pasteurized in a tubular heat exchanger. The retention time in holding tube of 0.2 m

^{2}cross sectional area is 3 seconds. If the flow rate of juice is 0.4 m^{3}s^{–1}, the length of the holding tube in m, is _____.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 135 of 153
##### 135. Question

The oil, which experiences flavor reversion even at the lower peroxide value is _______.

CorrectIncorrect - Question 136 of 153
##### 136. Question

80 kg of wheat containing 10 kg of moisture has been dried to a moisture content of 8% wet basis in 3 hours under constant rate period of drying. The drying rate in kg h

^{–}1 is _____CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 137 of 153
##### 137. Question

The rate of cream separation in a disc bowl centrifuge can be increased by ______

CorrectIncorrect - Question 138 of 153
##### 138. Question

Which one of the following is not used in mass transfer analysis?

CorrectIncorrect - Question 139 of 153
##### 139. Question

Oxygen is permeating through an EVOH film of thickness ‘t’ and solubility coefficient ‘S’. If diffusivity of oxygen through the film is ‘D’, then permeability of oxygen through the film will be ______.

CorrectIncorrect - Question 140 of 153
##### 140. Question

Condensing steam is used to heat vegetable oil in a double pipe co-current heat exchanger. If the inlet and outlet temperature of steam are T

_{hi}and T_{ho}, and for vegetable oil T_{ci}and T_{co}, respectively, the log mean temperature difference (ΔT_{LM}) will be _______CorrectIncorrect - Question 141 of 153
##### 141. Question

Match the food spoilage organisms given in Column I with the associated foods given in Column II

**Column I Column II**P. Clostridium botulinum 1. Fish

Q. Salmonella spp. 2. Cooked starch foods

R. Vibrio parahaemolyticus 3. Meat, egg and poultry

S. Bacillus cereus 4. Canned foods

CorrectIncorrect - Question 142 of 153
##### 142. Question

Fluid is flowing inside a pipe of radius ‘R’ in fully developed laminar flow. If the velocity of the fluid at the centre at a distance ‘L’ is ‘v

_{max}’, velocity at radial distance of ¾ (R) will be __times v_{max}CorrectIncorrect - Question 143 of 153
##### 143. Question

A meat ball with a radius of 25.4 mm at a temperature of 700 K, is suddenly plunged into a medium whose temperature is held at 395 K. Assume a convective heat transfer coefficient of 11.5 W m

^{–2}K^{–1}and take the average physical properties as: K = 44 W m-1 K–^{1}, ρ = 7850 kg m^{–3}and cp = 0.4606 kJ kg^{–1}K^{–1}. The temperature (K) of the meat ball after one hour is _____CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 144 of 153
##### 144. Question

a) Assertion: Acidulates are added in soft drinks to provide a buffering action.

r) Reason: Buffers tend to prevent changes in pH and prevent excessive tartness.

Choose the correct answer from the following

CorrectIncorrect - Question 145 of 153
##### 145. Question

The D

_{121}and Z values for C. botulinum spores in canned food are 0.2 min and 10℃ respectively. Total time required in min, to reduce the spores from 102 to 10^{–6}at 111℃ is _______CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 146 of 153
##### 146. Question

a) Assertion: Olestra is used as a zero calorie fat replacer r)

Reason: It is a sucrose polyester with 6-8 acyl group and is not absorbed in the human digestive system.

Choose the correct answer from the following

CorrectIncorrect - Question 147 of 153
##### 147. Question

Match the enzymes in Column I with their functions in Column II

**Column I**P. Amylase

Q. Invertase

R. Phosphatase

S. Protease

**Column II**1. Conversion of sucrose to glucose and fructose

2. Softening of dough

3. Effectiveness of pasteurization

4. Conversion of starch to maltose

CorrectIncorrect - Question 148 of 153
##### 148. Question

Match the terms in Column I with their most appropriate description in Column II

**Column I**P. Enrichment

Q. Fortification

R. Supplementation

S. Complementation

**Column II**1. Overcome the deficiency of nutrient by mixing of two plant sources

2. Overcome the deficiency of nutrient from a synthetic source

3. Restoration of nutrient which is lost during processing

4. Addition of nutrient which may or may not originally present

CorrectIncorrect - Question 149 of 153
##### 149. Question

Match the products in Column I with their Original Phase in Column II

**Column I Column II**P. Milk 1. Colloidal

Q. Butter 2. Solution

R. Lactose 3. Water in oil emulsion

S. Casein 4. Oil in water emulsion

CorrectIncorrect - Question 150 of 153
##### 150. Question

a) Assertion: Presence of low sulphur containing amino acids make casein in milk to boil, sterilize and concentrate without coagulation even at higher temperature.

r) Reason: This is due to the restricted formation of di-sulphide bonds resulting in increased stability.

Choose the correct answer from the following

CorrectIncorrect - Question 151 of 153
##### 151. Question

In a typical Psychrometric Chart shown below, the processes OP, OQ and OR related to air water vapor mixture are _____, _______ and __________.

CorrectIncorrect - Question 152 of 153
##### 152. Question

A fruit juice with a negligible boiling point rise is being evaporated using saturated steam at 121.1°C in a triple effect evaporator having equal area in each effect. The pressure of the vapor in the last effect is 25.6 kPa absolute and the corresponding saturation temperature is 65.7°C. The heat transfer coefficients are U

_{1}= 2760, U_{2}=1875 and U_{3}= 1350 W m^{–2}K^{–1}. The boiling point (°C) in the first effect is __ .CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 153 of 153
##### 153. Question

In an aeration system, 520 kg of wheat grains having average size of 0.15 mm, shape factor of 0.88 and density of 1040 kg m

^{–3}are fluidized using air at 2 atm absolute and 25°C. If the cross section of empty bed is 0.4 m^{2}, the minimum height (m) of the fluidized bed, with voidage of 0.45 will be _____ .CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard.

## GATE Exam Textile Engineering and Fibre Science (TF) Session 8 2016 Question Paper Online Practice

/in GATE /by M Prakash#### Quiz-summary

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- Question 1 of 65
##### 1. Question

**General Aptitude**The chairman requested the aggrieved shareholders to _____________him.

CorrectIncorrect - Question 2 of 65
##### 2. Question

Identify the correct spelling out of the given options:

CorrectIncorrect - Question 3 of 65
##### 3. Question

Pick the odd one out in the following:

13, 23, 33, 43, 53

CorrectIncorrect - Question 4 of 65
##### 4. Question

R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes.

Which of the following can be logically inferred from the above statements?

CorrectIncorrect - Question 5 of 65
##### 5. Question

If |9y – 6| = 3, then y

^{2}– 4y/3 is ______.CorrectIncorrect - Question 6 of 65
##### 6. Question

The following graph represents the installed capacity for cement production (in tonnes) and the actual production (in tonnes) of nine cement plants of a cement company. Capacity utilization of a plant is defined as ratio of actual production of cement to installed capacity. A plant with installed capacity of at least 200 tonnes is called a large plant and a plant with lesser capacity is called a small plant. The difference between total production of large plants and small plants, in tonnes is _______.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 7 of 65
##### 7. Question

A poll of students appearing for masters in engineering indicated that 60 % of the students believed that mechanical engineering is a profession unsuitable for women. A research study on women with masters or higher degrees in mechanical engineering found that 99 % of such women were successful in their professions.

Which of the following can be logically inferred from the above paragraph?

CorrectIncorrect - Question 8 of 65
##### 8. Question

Sourya committee had proposed the establishment of Sourya Institutes of Technology (SITs) in line with Indian Institutes of Technology (IITs) to cater to the technological and industrial needs of a developing country.

Which of the following can be logically inferred from the above sentence?

Based on the proposal,

(i) In the initial years, SIT students will get degrees from IIT.

(ii) SITs will have a distinct national objective.

(iii) SIT like institutions can only be established in consultation with IIT.

(iv) SITs will serve technological needs of a developing country.CorrectIncorrect - Question 9 of 65
##### 9. Question

Shaquille O’ Neal is a 60% career free throw shooter, meaning that he successfully makes 60 free throws out of 100 attempts on average. What is the probability that he will successfully make exactly 6 free throws in 10 attempts?

CorrectIncorrect - Question 10 of 65
##### 10. Question

The numeral in the units position of 211

^{870}+ 146^{127}× 3^{424}is ________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 11 of 65
##### 11. Question

**Textile Engineering and Fibre Science**The following partial differential equation U

_{xx}+ U_{yy}= 0 is of the typeCorrectIncorrect - Question 12 of 65
##### 12. Question

Which of the following is a multi-step numerical method for solving the ordinary differential equation?

CorrectIncorrect - Question 13 of 65
##### 13. Question

Let X be a normally distributed random variable with mean 2 and variance 4. Then, the mean of is equal to ___________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 14 of 65
##### 14. Question

Let . The determinant of A

^{–1}is equal toCorrectIncorrect - Question 15 of 65
##### 15. Question

Which of the following amino acids is responsible for relatively higher wet strength in wool fiber?

CorrectIncorrect - Question 16 of 65
##### 16. Question

Which one of the following stereo structures of polypropylene is (are) used for commercial fibre manufacture?

CorrectIncorrect - Question 17 of 65
##### 17. Question

Acrylic fibre has high glass transition temperature ( T

_{g}≈ 100℃) primarily due toCorrectIncorrect - Question 18 of 65
##### 18. Question

In which of the following polymerization methods the rate of reaction is very high and leads to uncontrolled polymerization ?

CorrectIncorrect - Question 19 of 65
##### 19. Question

Which of the following textile strands is the finest?

CorrectIncorrect - Question 20 of 65
##### 20. Question

In a carding machine, in which of the following zones the fibre alignment is negatively affected to the maximum extent?

CorrectIncorrect - Question 21 of 65
##### 21. Question

Which of the following is the correct sequence of events which happen in a roller drafting zone?

CorrectIncorrect - Question 22 of 65
##### 22. Question

In which region of ring spinning, Coriolis force acts?

CorrectIncorrect - Question 23 of 65
##### 23. Question

Which of the following shuttleless weaving systems can offer maximum fabric width ?

CorrectIncorrect - Question 24 of 65
##### 24. Question

The filling yarn density at selvage is doubled in case of

CorrectIncorrect - Question 25 of 65
##### 25. Question

Which of the following shedding mechanisms provides control of individual warp thread during weaving ?

CorrectIncorrect - Question 26 of 65
##### 26. Question

The time required (minutes) to wind 10 kg of 40 tex yarn when the winding machine works at 1000 m/min with an efficiency of 90% is ____________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 27 of 65
##### 27. Question

The test statistic to be used for carrying out a test of hypothesis on the mean of a normal distribution with unknown variance is

CorrectIncorrect - Question 28 of 65
##### 28. Question

If the length of a confidence interval on the mean of a normal distribution with known variance is to be halved, the sample size must

CorrectIncorrect - Question 29 of 65
##### 29. Question

A comb sorter diagram of cotton fibres is shown below:

where OM=0.5 OY, OA=0.25 OC, AN=0.5 AA’, and OB=0.25 OD. The effective length is

CorrectIncorrect - Question 30 of 65
##### 30. Question

A fabric specimen of original length 75 mm is stretched to a length of 120 mm and after removal of the load the length reduces to 95 mm. The elastic recovery (%) of the fabric specimen is ________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 31 of 65
##### 31. Question

A sector-shaped, falling-pendulum type apparatus is suitable for measurement of

CorrectIncorrect - Question 32 of 65
##### 32. Question

Sodium persulphate is used in

CorrectIncorrect - Question 33 of 65
##### 33. Question

Polyester is dyed with a disperse dye at 100℃ and 120℃ till equilibrium is achieved. If D[f] and D[s] represent the dye in fibre and dye in solution respectively, then the correct choice for the dyeing isotherms at the two temperature will be

CorrectIncorrect - Question 34 of 65
##### 34. Question

A dye with dischargeability rating of 1 (one) WILL NOT be suitable for

CorrectIncorrect - Question 35 of 65
##### 35. Question

The enzyme used for biopolishing of cotton is

CorrectIncorrect - Question 36 of 65
##### 36. Question

The eigen values and eigen vectors of are

CorrectIncorrect - Question 37 of 65
##### 37. Question

Let The value of is equal to _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 38 of 65
##### 38. Question

Let X be a continuous type random variable with probability density function

When P(X ≤ x) = 0.75, the value of x is equal to ______

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 39 of 65
##### 39. Question

The integrating factor of (2 cos y + 4x

^{2}) dx – x sin y dy = 0 isCorrectIncorrect - Question 40 of 65
##### 40. Question

The Fourier series of periodic function and f(x + 2π) = f(x) is given by Then the value of is equal to _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 41 of 65
##### 41. Question

Match the fibers listed in Column A with the compounds used in its manufacture listed in Column B. Choose the right answer from options A, B, C and D.

**Column A Column B**P. Polypropylene 1. Carbon disulfide

Q. Polyethylene Terephthalate 2. Water

R. Nylon 6 3. Ziegler Natta catalyst

S. Viscose 4. Antimony trioxide & Antimony triacetate

CorrectIncorrect - Question 42 of 65
##### 42. Question

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C and D.

[a] Both polyester and nylon filaments can be drawn at room temperature to achieve higher strength, modulus and dimensional stability.

[r] Tg of both polyester and nylon can be lowered to room temperature on absorption of atmospheric moisture.

CorrectIncorrect - Question 43 of 65
##### 43. Question

Low pill PET fibres of a given denier can be produced by a combination of any two options listed below.

Choose the right combination from A, B, C and D.

P. Lowering the IV (intrinsic viscosity) of the polymer

Q. Increasing the IV (intrinsic viscosity) of the polymer

R. Increasing the draw ratio S. Decreasing the draw ratioCorrectIncorrect - Question 44 of 65
##### 44. Question

Which of the following combination of statements from options A, B, C and D is correct ?

1. X-ray Diffraction gives information about crystallinity and crystal size in semicrystalline polymers.

2. Differential Scanning Calorimetery gives information about Tg, Tm and Tc as well as enthalpy of melting and crystallization.

3. In Scanning Electron Microscopy the sample has to be coated with silver to make it conducting.

4. Birefringence is a measure of molecular orientation in amorphous phase only.

CorrectIncorrect - Question 45 of 65
##### 45. Question

Match the fibre in Column A with the spinning technique used to manufacture in Column B. Choose the correct alternative from options A, B, C and D.

**Column A Column B**P. Rayon 1. Dry-jet-wet spinning

Q. Aramid ( Kevlar) 2. Gel Spinning

R. Ultra High Molecular weight Polyethylene 3. Melt spinning

S. Polyester 4. Wet Spinning

CorrectIncorrect - Question 46 of 65
##### 46. Question

If 50 bales of 5 μg/inch, 20 bales of 3.5 μg/inch and 40 bales of 3.0 μg/inch cotton fibres are mixed, the resultant μg/inch of the mixed cotton is __________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 47 of 65
##### 47. Question

A rotor with 48 mm diameter running at 90,000 rpm is producing yarn at 140 m/min. The number of doublings of fibre layers in the rotor is _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 48 of 65
##### 48. Question

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C and D.

[a] Compared to ring spun yarns, rotor spun yarns have better evenness for the same yarn count.

[r] Rotor spun yarns have more number of fibres in the yarn cross section compared to ring spun yarns of same count.

CorrectIncorrect - Question 49 of 65
##### 49. Question

The final yarn count required from a ring frame is 36s Ne with 28 TPI. The twist contraction during spinning is 3%. If the feed roving count is 2s Ne, the mechanical draft required in the ring frame will be _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 50 of 65
##### 50. Question

The diameter (mm) of a cotton yarn of 50 tex count and 0.45 packing density, assuming cotton fibre density to be 1.54 g/cm

^{3}, is ___________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 51 of 65
##### 51. Question

In needle punching process, higher punch density CAN NOT cause

CorrectIncorrect - Question 52 of 65
##### 52. Question

Which of the following features IS NOT found in a crepe weave

CorrectIncorrect - Question 53 of 65
##### 53. Question

The crimp% of a square cloth in which thread spacing is equal to the yarn diameter and no jamming takes place, will be ___________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 54 of 65
##### 54. Question

A 38 cm diameter circular knitting machine accommodates 4 needles per cm. The stitch length is 6 mm and wale constant can be assumed to be 42.2. The flat fabric width (cm) in finished – relaxed form is ___________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 55 of 65
##### 55. Question

The least desired feature of fibre in wet laid nonwoven fabric is

CorrectIncorrect - Question 56 of 65
##### 56. Question

The surface area per unit volume (mm

^{–1}) of a circular polyester fibre of 1.5 denier fineness and 1.38 g/cm^{3}density, ignoring the fibre ends, is ____________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 57 of 65
##### 57. Question

The fibre packing density in a cotton bale of 170 kg weight and dimensions 1060 mm (L) × 530 mm (W) × 780 mm (H), assuming cotton fibre density to be 1.54 g/cm

^{3}, is __________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 58 of 65
##### 58. Question

A cotton yarn with 5% breaking elongation needs to be tested for breaking strength in a tensile tester at 500 mm gauge length. The clamp speed (mm/min) required to break the specimen in 20 s is _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 59 of 65
##### 59. Question

The rotational speed of a card cylinder with locally damaged card clothing is 400 rpm and the sliver delivery rate is 100 m/min. The wavelength (m) of the periodic mass variation in the card sliver is _________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 60 of 65
##### 60. Question

The flexural rigidity, expressed in 10

^{–4}mg·cm, of a fabric test specimen of 100 g/m^{2}areal density and 0.40 mm length of overhang determined using a cantilever test with a standard angle of deflection of 41.5º, is ___________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 61 of 65
##### 61. Question

The volume strength of 1 molar H

_{2}O_{2}solution will be ___________CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 62 of 65
##### 62. Question

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C and D.

[a] In dyeing of polyester with disperse dyes, it is easier to obtain dark shades with solvent dyeing method than with aqueous dyeing method.

[r] The partition coefficient (D[f]/D[s]) of disperse dyes is much lower in aqueous medium than in a solvent.

CorrectIncorrect - Question 63 of 65
##### 63. Question

A reactive dye is applied on cotton fabric by continuous method. The achieved shade on fabric is 2% on the weight of fabric. The dyebath concentration is 25 gram per litre and the % expression after padding is 100. The specific gravity of the solution is 1. The fixation % of the dye on the fabric is ___________

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 64 of 65
##### 64. Question

[a] In resin finishing of cellulosic textiles, usually the curing stage is carried out in hot dry air and not in steam.

[r] The acid catalyst used in resin formulation is activated in hot air only.

CorrectIncorrect - Question 65 of 65
##### 65. Question

Match the printing processes in Column A with print paste components in Column B. Choose the correct alternative from options A, B, C and D.

**Column A Column B**P. Pigment printing 1. Disperse dye

Q. Discharge printing 2. Binder

R. Resist printing 3. High solids content thickener

S. Sublimation transfer printing 4. Sodium formaldehyde sulphoxylate

CorrectIncorrect

## GATE Exam Electrical Engineering (EE) Session 8 2016 Question Paper Online Practice

/in GATE /by M Prakash#### Quiz-summary

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- Question 1 of 65
##### 1. Question

**General Aptitude**The chairman requested the aggrieved shareholders to _____________him.

CorrectIncorrect - Question 2 of 65
##### 2. Question

Identify the correct spelling out of the given options:

CorrectIncorrect - Question 3 of 65
##### 3. Question

Pick the odd one out in the following:

13, 23, 33, 43, 53

CorrectIncorrect - Question 4 of 65
##### 4. Question

R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes.

Which of the following can be logically inferred from the above statements?

CorrectIncorrect - Question 5 of 65
##### 5. Question

If |9y – 6| = 3, then y

^{2}– 4y/3 is ______.CorrectIncorrect - Question 6 of 65
##### 6. Question

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 7 of 65
##### 7. Question

Which of the following can be logically inferred from the above paragraph?

CorrectIncorrect - Question 8 of 65
##### 8. Question

Which of the following can be logically inferred from the above sentence?

(i) In the initial years, SIT students will get degrees from IIT.

(ii) SITs will have a distinct national objective.

(iii) SIT like institutions can only be established in consultation with IIT.

(iv) SITs will serve technological needs of a developing country.CorrectIncorrect - Question 9 of 65
##### 9. Question

CorrectIncorrect - Question 10 of 65
##### 10. Question

The numeral in the units position of 211

^{870}+ 146^{127}× 3^{424}is ________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 11 of 65
##### 11. Question

**Electrical Engineering**The output expression for the Karnaugh map shown below is

CorrectIncorrect - Question 12 of 65
##### 12. Question

The circuit shown below is an example of a

CorrectIncorrect - Question 13 of 65
##### 13. Question

The following figure shows the connection of an ideal transformer with primary to secondary turns ratio of 1:100. The applied primary voltage is 100 V (rms), 50 Hz, AC. The rms value of the current I, in ampere, is __________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 14 of 65
##### 14. Question

Consider a causal LTI system characterized by differential equation The response of the system to the input where u(t) denotes the unit step function, is

CorrectIncorrect - Question 15 of 65
##### 15. Question

Suppose the maximum frequency in a band-limited signal x(t) is 5 kHz. Then, the maximum frequency in x(t) cos(2000πt), in kHz, is ________.

CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 16 of 65
##### 16. Question

Consider the function fz) = z + z* where z is a complex variable and z* denotes its complex conjugate. Which one of the following is TRUE?

CorrectIncorrect - Question 17 of 65
##### 17. Question

A 3 × 3 matrix P is such that, P

^{3}= P. Then the eigenvalues of P areCorrectIncorrect - Question 18 of 65
##### 18. Question

The solution of the differential equation, for t > 0, y”(t) + 2y'(t) + y(t) = 0 with initial condition y(0) = 0 and y'(0) = 1, is (u(t) denotes the unit step function),

CorrectIncorrect - Question 19 of 65
##### 19. Question

The value of the line integral

along a path joining the origin (0, 0, 0) and the point (1, 1, 1) is

CorrectIncorrect - Question 20 of 65
##### 20. Question

Let f(x) be a real, periodic function satisfying f(−x) = −f(x). The general form of its Fourier series representation would be

CorrectIncorrect - Question 21 of 65
##### 21. Question

A resistance and a coil are connected in series and supplied from a single phase, 100 V, 50 Hz ac source as shown in the figure below. The rms values of plausible voltages across the resistance (V

_{R}) and coil (V_{C}) respectively, in volts, areCorrectIncorrect##### Hint

Mark Awarded By All Options

- Question 22 of 65
##### 22. Question

The voltage (V) and current (A) across a load are as follows.

v(t) = 100 sin(ωt),

i(t) = 10 sin(ωt − 60°) + 2 sin(3ωt) + 5 sin(5ωt).

The average power consumed by the load, in W, is___________.CorrectIncorrect##### Hint

**Numerical Answer Type Question :**For this question the answer is a real number, to be entered by the candidate using the keyboard. - Question 23 of 65
##### 23. Question

A power system with two generators is shown in the figure below. The system (generators, buses and transmission lines) is protected by six overcurrent relays R

_{1}to R_{6}. Assuming a mix of directional and nondirectional relays at appropriate locations, the remote backup relays for R_{4}areCorrectIncorrect - Question 24 of 65
##### 24. Question

A power system has 100 buses including 10 generator buses. For the load flow analysis using Newton-Raphson method in polar coordinates, the size of the Jacobian is

CorrectIncorrect - Question 25 of 65
##### 25. Question

The inductance and capacitance of a 400 kV, three-phase, 50 Hz lossless transmission line are 1.6 mH/km/phase and 10 nF/km/phase respectively. The sending end voltage is maintained at 400 kV. To maintain a voltage of 400 kV at the receiving end, when the line is delivering 300 MW load, the shunt compensation required is

CorrectIncorrect