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Mass Transfer

Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Both A & B
Neither A nor B
Dew point
Wet bulb

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Mass Transfer
For contacting a highly soluble gas with a liquid

None of the listed here
Bubble the gas through liquid
Spray the liquid on gas stream
Both of the options given here

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Mass Transfer
The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

Decreases
Increases
May increase or decrease, depends on the system
Remains unchanged

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Mass Transfer
In batch distillation with constant reflux, overhead product composition __________ with time.

May increase on decrease, depends on the system
Decreases
Increases
Does not vary

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Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

30-40
90-100
70-80
44119

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Mass Transfer
The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by

Lowering the total pressure
Both A & B
Neither A nor B
Raising the temperature

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