Engineering Sciences
GATE XE year:2020 PYQs
Build your understanding with focused practice from past exam papers.
Questions 111–120 of 175. Imported answers require independent review unless marked reviewed.
Question 2
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The monomer that can NOT be polymerized by anionic polymerization is
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The elastomer retaining flexibility at the lowest temperature is
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The polymer with minimum number of branches is
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The nearest value of conductivity of Nylon 6 is
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Aramid is a
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A miscible blend in 1:1 (by weight) composition is formed with
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Dicumyl peroxide is a
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The change in stress of a polymer as a function of time at a fixed strain is known as
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Match the polymers in Column A with their corresponding polymerization methods in Column B.
Column A | Column B |
|---|---|
P — Bisphenol A polycarbonate | 1 — Cationic |
Q — Polyethylene | 2 — Step-growth |
R — Poly(styrene-b-butadiene) | 3 — Coordination |
S — Butyl rubber | 4 — Anionic |
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Open questionXE-FMCQ2 marksNeeds review
Match the appropriate process technique in Column A to fabricate the product in Column B.
Column A | Column B |
|---|---|
P — Blow molding | 1 — Plastic buckets |
Q — Rotational molding | 2 — PVC sheet |
R — Injection molding | 3 — Basket ball |
S — Calendering | 4 — Plastic bottles |
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