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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 14
1.
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be
cooled
humidified
both (a) & (b)
dehumidified
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
For absorbing a sparingly soluble gas in a liquid, the
gas side co-efficient should be increased.
liquid side coefficient should be increased.
gas side co-efficient should be decreased.
liquid side co-efficient should be decreased.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.
10-15
30-40
70-80
90-100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The boiling points of pure components of a binary system __________ with increase in total pressure of the system.
decreases
increases
remains unchanged
may increase or decrease, depends on the system.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the
differential heat of adsorption.
heat of wetting.
integral heat of adsorption.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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