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Mass Transfer

Mass Transfer
Alcohol is dehydrated using __________ distillation.

Molecular
Azeotropic
Steam
Extractive

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Higher than
Lower than
Equal to
Either A or B, depends on the mixture composition

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Mass Transfer
Freundlich equation applies to the adsorption of solute from

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

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Lewis
Stanton
Sherwood
Peclet

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Mass Transfer
With increase in temperature, the leaching rate increases due to

Increased diffusivity
Both A & B
Decreased liquid viscosity
Neither A nor B

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Mass Transfer
According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity)

μ
√μ
μ²
1/μ

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