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Mass Transfer

Mass Transfer
Dorr thickener is an equipment used for

Leaching
Classification
Sedimentation
Clarification

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Mass Transfer
Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution.

Both A & B
Neither A nor B
Viscosity
Degree of ideality

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Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Thermal
Forced
Concentration
Pressure

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Mass Transfer
In azeotropic mixture, the equilibrium vapour composition is

Less than liquid composition
More than liquid composition
None of the listed here
Same as liquid composition

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Mass Transfer
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.

Penetration
None of these
Surface-renewal
Film

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Mass Transfer
As per Gilliland's equation, the diffusivity is

Directly proportional to 'T1.5'
Inversely proportional to 'P'
All of these
Dependent on the molecular volume & molecular weight of components

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