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Mass Transfer

Mass Transfer
Desirable value of absorption factor in an absorber is

> 1
< 1
0.5
1

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Mass Transfer
In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

Interface
Liquid phase
Gas phase
All of these

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Water from petrol
Uranium from its ore
Ammonia from coke oven gas
None of the listed here

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Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

None of these
Increases with increase in
Is independent of
Decreases with increase in

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Mass Transfer
In rectifying section of a continuous distillation column, the

Vapour is enriched with high boilers
Vapour is enriched with low boilers
Liquid is stripped of high boilers
None of these

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Mass Transfer
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Absorption
Evaporation
Continuous distillation
Solvent extraction

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