Chemical Engineering - Chemical Engineering Basics

41. 

Silicon percentage in acid resistant cast iron is about

A. 4
B. 8
C. 14
D. 20

Answer: Option A

Explanation:

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42. 

Thermal expansion of solid is employed in the temperature measurement by a

A. bimetallic thermometer.
B. thermocouple.
C. mercury thermometer.
D. resistance thermometer.

Answer: Option A

Explanation:

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43. 

Stress and strain are related by __________ elastic constants for a linearly elastic, homogeneous & isotropic material.

A. one
B. two
C. three
D. four

Answer: Option B

Explanation:

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44. 

The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the

A. work hardening.
B. Bauschinger effect.
C. creeping effect.
D. stress recovery effect.

Answer: Option B

Explanation:

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45. 

Function of fusible plug in a boiler is to

A. drain out water and sludge from the boiler during repair.
B. put off fire in the furnace when water level in the boiler falls to unsafe limit.
C. guard the boiler in case of abnormal rise in steam pressure.
D. all (a), (b) & (c).

Answer: Option B

Explanation:

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