Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 19
| 1. |
Which of the following is a boiler accessory i.e., not a boiler mounting ? |
| A. |
Blow off cock | | B. |
Feed check valve | | C. |
Feed water pump | | D. |
Stop valve |
Answer: Option C
Explanation:
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| 2. |
Which of the following forces does not act on a fluid at rest ? |
| A. |
Viscous force | | B. |
Gravity force | | C. |
Hydrostatic force | | D. |
Surface tension force |
Answer: Option A
Explanation:
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| 3. |
Density in the solid state is slightly less than that in its liquid state, in case of |
| A. |
carbon dioxide | | B. |
water | | C. |
mercury | | D. |
none of these. |
Answer: Option B
Explanation:
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| 4. |
Strain hardening effect in metals subjected to cold working is due to the __________ mechanism. |
| A. |
slip | | B. |
fracture | | C. |
winning | | D. |
dislocation |
Answer: Option D
Explanation:
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| 5. |
__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical. |
Answer: Option C
Explanation:
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