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Mass Transfer

Mass Transfer
__________ developed the film theory.

Fick
Higbie
Levenspeil
Ergun

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Mass Transfer
Drying operation under vacuum is carried out to

Increase drying temperature
Dry materials having high bound moisture content
Dry those materials which have very high unbound mositure content
Reduce drying temperature

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Mass Transfer
Which of the following mixtures does not form an azeotrope at atmosheric pressure?

Methyl alcohol-acetone
Butyl acetate-water
Water-alcohol
None of these

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Mass Transfer
Ion exchange process is similar to

Extraction
Absorption
Leaching
Adsorption

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Mass Transfer
Critical humidity of a solid salt means the humidity

Below which it will always stay dry
Above Which it will always become dry and below which it will always stay damp
Both A and B
Above which it will always become damp

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Operating
Minimum
Total
Maximum permissible

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