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Mass Transfer

Mass Transfer
Desirable value of absorption factor in an absorber is

1
0.5
> 1
< 1

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Mass Transfer
__________ is concerned with the adsorption equilibria.

Fick's law
Freundlich equation
Gibb's equation
None of these

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Mass Transfer
__________ equation applies to diffusivities in liquids.

None of these
Wilke and Chang
Gilliland
Hirschfelder

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Mass Transfer
The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called

None of these
Percolation
Elutriation or elution
Decoction

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Mass Transfer
In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is

Called integral heat of adsorption
Equal to the heat of formation of surface compound
Zero
Equal to the heat of wetting

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Mass Transfer
For a binary mixture with low relative volatility,

Use molecular distillation
Use steam distillation
Use high pressure distillation
An azeotrope may be formed during distillation

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