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Mass Transfer

Mass Transfer
A good solvent used for absorption should not have very high

Vapor pressure
Viscosity
Freezing point
All of these

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Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Chemical properties
Interfacial area
Physical properties
Degree of turbulence

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Mass Transfer
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

Heat of normal condensation
Integral heat of adsorption
Heat of wetting
Differential heat of adsorption

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Exponentially
Inversely
None of these
Linearly

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Mass Transfer
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is

0.107
0.215
0.31
0.017

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Mass Transfer
When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation.

Continuous
Azerotropic
Steam
None of these

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