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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 13
36.
In case of unsaturated air
dew point < wet bulb temperature
wet bulb temperature < dry bulb temperature
both (a) and (b)
neither (a) not (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
For a binary mixture with low relative volatility,
use steam distillation.
use molecular distillation.
use high pressure distillation.
an azeotrope may be formed during distillation.
Answer: Option
Explanation:
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38.
Plate efficiency
is a function of the mass transfer between liquid and vapour.
increases due to foaming.
increases due to liquid entrainment.
increases due to weeping and dumping of liquid.
Answer: Option
Explanation:
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39.
Absorption accompanied by heat evolution results in
increased capacity of the absorber.
increase in equilibrium solubility.
decrease in equilibrium solubility.
none of these.
Answer: Option
Explanation:
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40.
Even though bubble cap towers are very effective for humidification operation, they are not used commonly in industries, because of the
high evaporation losses of water.
high pressure drop of the gas.
difficulty in its fabrication.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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