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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Flash
Differential
Steam
Continuous

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

Composition
Total pressure
Temperature
All of these

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Mass Transfer
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

Extractive
Flash
Molecular
Azeotropic

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Mass Transfer
Azeotropic distillation is employed to separate

Heat sensitive materials
High boiling mixture
Mixture with very high relative volatility
Constant boiling mixture

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Mass Transfer
Freundlich equation applies to the adsorption of solute from

Gaseous solutions at high pressure
None of these
Dilute solutions, over a small concentration range
Concentrated solutions

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Mass Transfer
The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

600
0.24
3.97
1

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