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Mass Transfer

Mass Transfer
Selectivity of the solvent used in solvent extraction should be

> 1
1
< 1

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Mass Transfer
The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

Temperature
Composition
Total pressure
All of these

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Both A & B
Liquid
Gas
Neither A nor B

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Mass Transfer
The main reason for dividing a tall packed tower into series of small towers is to

Avoid channeling
Avoid flooding
Minimise the overall pressure drop
Reduce liquid hold up

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.

None of the listed here
Perfectly mixed
Plug
Both plug & perfectly mixed

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Mass Transfer
In which of the following unit operations, the selectivity is an important parameter?

None of these
Absorption
Distillation
Solvent extraction

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