Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 4
| 41. |
Kinematic viscosity of water as compared to that of air is |
Answer: Option D
Explanation:
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| 42. |
Which of the following is the most suitable for removing fine particles (< 1 micron diameter) from air below its dew point ? |
| A. |
Venturi scrubber | | B. |
Electrostatic precipitator | | C. |
Cyclone separator | | D. |
Fabric filter |
Answer: Option B
Explanation:
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| 43. |
Which of the following is the terminology used for the temperature at which the phase changes occur in a metal ? |
| A. |
Critical temperature. | | B. |
Recrystallisation temperature. | | C. |
Phase transformation temperature. | | D. |
Transition temperature. |
Answer: Option A
Explanation:
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| 44. |
Puddling process is used for converting pig iron into |
| A. |
cast iron | | B. |
wrought iron | | C. |
mild steel | | D. |
semi-steel |
Answer: Option C
Explanation:
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| 45. |
Addition of __________ in steel can help in increasing the depth of hardness. |
| A. |
nickel | | B. |
chromium | | C. |
vanadium | | D. |
tungsten |
Answer: Option C
Explanation:
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