Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 21
| 41. |
Silicon percentage in acid resistant cast iron is about |
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. |
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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