Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 3
| 31. |
Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs? |
| A. |
enthalpy | | B. |
relative humidity | | C. |
wet bulb temperature | | D. |
dew point temperature |
Answer: Option D
Explanation:
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| 32. |
Which of the following metals can not be hot worked at room temperature ? |
Answer: Option B
Explanation:
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| 33. |
Primary designation of steel is based on its |
| A. |
hardness & tensile strength. | | B. |
carbon content. | | C. |
iron content. | | D. |
alloying elements content. |
Answer: Option D
Explanation:
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| 34. |
Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel. |
| A. |
wrought | | B. |
tool | | C. |
alloy | | D. |
plain carbon |
Answer: Option D
Explanation:
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| 35. |
Superheating of steam is done at constant |
| A. |
enthalpy | | B. |
entropy | | C. |
pressure | | D. |
volume |
Answer: Option C
Explanation:
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