GATE XE 2022 Paper 1 — page 44

Questions 130–132 of 175. Imported answers require review unless explicitly marked reviewed.

Paper practice 175 questionsPage 44 of 59

The amount of low molecular weight plasticizer with a

of -60 °C that must be added to nylon 6 to reduce its

from 50 °C to 30 °C is ________ % (round off to nearest integer).

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The enthalpy of fusion for a polymer is found to decrease from 135.6 J g

to 120 J g

after five years of use. If the enthalpy of fusion of the same polymer with 100% crystallinity is 290 J g

, then the loss in crystallinity after five years is ______ % (rounded off to one decimal place).

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Which among the given options truly depict the lines 1 and 2 in the figure below with respect to the effect of heat processing on food?

Your answerChoose one option.

1-Safety, 2-Quality

1-Yield, 2-Safety

1-Yield, 2-Quality

1-Quality, 2-Safety

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2022 · Paper 1