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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