GATE XE Synthesis, manufacturing and properties PYQs & Answers — Page 4

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Questions 31–35 of 35. Imported answers require independent review unless marked reviewed.

Topic practice 35 questionsPage 4 of 4

Match the following:


P. Polyaramid	1. Baby-feeding nipple
Q. Polytetrafluoroethylene	2. Optical glasses
R. Polycarbonate	3. Non-stick cookware
S. Poly(dimethyl siloxane)	4. Bullet-proof jacket

Your answerChoose one option.

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

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

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

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

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Poly(ethylene terephthalate) is synthesized from

Your answerChoose one option.

Ethylene + dimethyl terephthalate

Ethylene + terephthalic acid

Glycerol + terephthalic acid

Ethylene Glycol + terephthalic acid

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Novolac and Resole are A-stage low molecular weight phenolic resin products that are

Your answerChoose one option.

Soluble and fusible

Insoluble but fusible

Insoluble and infusible

Soluble and infusible

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Based on the graphs 1-5, which option best describes the stress-strain behaviour of materials listed as P, Q, R, S and T?

Diagram for Engineering Sciences question 109

P-Hard and brittle Q-Hard and tough R-Soft and weak S-Hard and strong T-Soft and tough

Your answerChoose one option.

P-2; Q-1; R-5; S-4; T-3

P-1; Q-3; R-4; S-2; T-5

P-1; Q-2; R-5; S-3; T-4

P-2; Q-3; R-1; S-4; T-5

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Match the polymer in Column A to its application in Column B:

Column A P. Nylon Q. Polyethylene R. Cis-1,4-polyisoprene S. Acrylonitrile-butadiene-styrene

Column B

Television cabinet

Tyre

Mechanical gear

Packaging

Your answerChoose one option.

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

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

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

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

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GATE XE Synthesis, manufacturing and properties PYQs

Question 11

Question 100

Question 104

Question 109

Question 116