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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Steam
Differential
Continuous
Flash

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Mass Transfer
Stage efficiency in a leaching process depends on the

Vapour pressure of the solution
Both A & B
Rate of diffusion of the solute through the solid and into the liquid
Time of contact between the solid and the solution

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Molecular
Steam
Extractive
Azeotropic

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Mass Transfer
With increase in the concentration of the adsorbate, the integral heat of adsorption

Decreases
Remains unchanged
Increases
May increase or decrease ; depends on the type of adsorbate

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Mass Transfer
As the reflux ratio decreases, the

Number of plates increases
None of these
Separation becomes more efficient
Column diameter increases

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Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Both A & B
Dew point
Wet bulb
Neither A nor B

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