GATE XE 2023 Paper 1 — page 40

Questions 118–120 of 175. Imported answers require review unless explicitly marked reviewed.

Paper practice 175 questionsPage 40 of 59

Choose the correct option that best correlates the graphs with the polymerization methods.

Your answerChoose one option.

P – living polymerization; Q – chain growth; R – step growth

P – chain growth; Q – living polymerization; R – step growth

P – step growth; Q – living polymerization; R – chain growth

P – living polymerization; Q – step growth; R – chain growth

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From the options given, identify the correct match(es) between the polymer products with the most appropriate processing technique.

Polymer product: P — Fishing rods; Q — Soft drink bottles; R — Plastic sheets; S — Plastic trays.

Processing technique: 1 — Compression moulding; 2 — Thermoforming; 3 — Pultrusion; 4 — Blow moulding.

Your answerSelect all correct options. You can choose more than one.

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

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

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

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

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Among the options given, which agents are used to vulcanize or cure rubbers?

Your answerSelect all correct options. You can choose more than one.

Dicumyl peroxide

Zinc stearate

Carbon black

Dinitrobenzene

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2023 · Paper 1