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Mass Transfer

Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Tray
Packed
Bubble
Spray

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Mass Transfer
Fractional solvent extraction

Employs only one solvent
None of the listed here
Results in low interfacial tension
Employs two solvents

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Mass Transfer
__________ is concerned with the adsorption equilibria.

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

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Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

1
< 1
> 1

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Mass Transfer
Physical absorption is

Both B & C
An irreversible phenomenon
Accompanied by evolution of heat
A reversible phenomenon

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Mass Transfer
Mechanism of moisture removal in case of freeze drying of food stuff is by

Sublimation
Dehydration
Evaporation
Adsorption

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