GATE XE topic:engineering PYQs & Answers — Page 122

Questions 1211–1220 of 1772. Imported answers require independent review unless marked reviewed.

Topic practice 1772 questionsPage 122 of 178

The velocity of 2.2 μm diameter fat particles inside a centrifuge, running at 600 rpm and 20 °C, is 0.25 mm s⁻¹. The velocity of 1.5 μm diameter fat particles inside the same centrifuge running at 750 rpm and same temperature (round off to 2 decimal places) will be _____ mm s⁻¹.

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The initial population of a bacterial strain increases from 1×10⁴ cells per mL to 1×10⁶ cells per mL in 120 minutes. The generation time for this strain (round off to 2 decimal places) is _____ minutes.

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Match the protein in Column I with its food source in Column II.

Column I: P. Zein Q. Gluten R. Glycinin S. Ovalbumin

Column II:

Soybean

Maize

Egg

Wheat

Your answerChoose one option.

P-4, Q-1, R-2, S-3

P-4, Q-3, R-1, S-2

P-2, Q-3, R-1, S-4

P-2, Q-4, R-1, S-3

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Match the carbohydrate in Column I with corresponding enzyme used for its hydrolysis in Column II.

Column I: P. Pectin; Q. Lactose; R. Hemicellulose; S. Inulin

Column II: 1. Xylanase; 2. β-galactosidase; 3. Polygalacturonase; 4. β-fructofuranosidase

Your answerChoose one option.

P-3, Q-2, R-1, S-4

P-2, Q-4, R-1, S-3

P-1, Q-2, R-3, S-4

P-4, Q-3, R-1, S-2

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Match the edible oil refining stage in Column I with its purpose in Column II.

Column I: P. Degumming; Q. Neutralization; R. Bleaching; S. Winterization

Column II: 1. Separation of triglycerides; 2. Remove of pigments; 3. Remove of phosphates; 4. Remove of free fatty acids

Your answerChoose one option.

P-3, Q-1, R-2, S-4

P-1, Q-4, R-2, S-3

P-4, Q-3, R-1, S-2

P-3, Q-4, R-2, S-1

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Match the food material in Column I with its related term in Column II.

Column I: P. Coffee; Q. Cocoa; R. Beer; S. Wine

Column II: 1. Wort; 2. Must; 3. Arabica; 4. Theobroma

Your answerChoose one option.

P-4, Q-2, R-1, S-3

P-3, Q-4, R-1, S-2

P-3, Q-4, R-2, S-1

P-1, Q-3, R-4, S-2

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Match the component/system in Column I with the peeling method for fruits and vegetables in Column II.

Column I: P. Lye solution; Q. Carborundum rollers; R. Pressure vessel; S. Conveyor belt

Column II: 1. Flash peeling; 2. Flame peeling; 3. Abrasion peeling; 4. Caustic peeling

Your answerChoose one option.

P-4, Q-3, R-2, S-1

P-3, Q-4, R-1, S-2

P-4, Q-3, R-1, S-2

P-3, Q-4, R-2, S-1

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Which among the given options correctly explains the nature of the microbial culture represented by curves 1, 2 and 3 in the following figure?

Diagram for Engineering Sciences question 15

Your answerChoose one option.

Germination of spores

Homogeneous population

Mixed population of spores and vegetative cells

Homogeneous population

Mixed population of heat sensitive and heat resistant microbes

Germination of spores

Composite population

Spores activated by short exposure to heat

Thermo sensitive and thermo resistant microbes

Mixed population

Microorganisms activated by short exposure to heat

Germination of spores

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Match the equation/law in Column I with its application in Column II.

Column I: P. Plank’s equation; Q. Arrhenius equation; R. Guggenheim-Anderson-de Boer equation; S. Stoke’s law

Column II: 1. Terminal velocity; 2. Freezing time; 3. Activation energy; 4. Monolayer moisture content

Your answerChoose one option.

P-1, Q-3, R-4, S-2

P-2, Q-3, R-1, S-4

P-2, Q-3, R-4, S-1

P-4, Q-3, R-1, S-2

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Match the absorber used in modified atmosphere packaging and storage in Column I with the scavenger in Column II.

Column I: P. Oxygen absorber; Q. Carbon dioxide absorber; R. Ethylene absorber; S. Moisture absorber

Column II: 1. Calcium chloride; 2. Magnesium oxide; 3. Ferric oxide; 4. Potassium permanganate

Your answerChoose one option.

P-3, Q-2, R-4, S-1

P-1, Q-2, R-4, S-3

P-2, Q-3, R-4, S-1

P-3, Q-2, R-1, S-4

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GATE XE topic:engineering PYQs

Question 8

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Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

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Question 17