GATE PI 2025 Paper 1 — page 7

Questions 19–21 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 7 of 22

In a work sampling, out of

observations, a worker was sitting idle in

observations. The standard deviation of the mean proportion of idle time is given by

Your answerChoose one option.

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Atomic packing factor of a body centered cubic structure is closest to

Your answerChoose one option.

0.34

0.52

0.68

0.74

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Which one of the following statements is FALSE with respect to the injection molding of polymer composite?

Your answerChoose one option.

Molten polymer along with the reinforcements is injected into a closed mold cavity.

Material deforms plastically to adopt the shape of the mold cavity.

Melt temperature, injection speed and screw speed are some important process parameters.

Commonly used reinforcements are particles, whiskers and short fibers.

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2025 · Paper 1