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Mass Transfer

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

< 1
1
> 1

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Mass Transfer
On addition of solute in the solvent, the __________ of the solution decreases.

Vapour pressure
Both B and C
Boiling point
Freezing point

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Mass Transfer
The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³)

1000
100
500
50

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Mass Transfer
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

Insoluble in the liquid
At a fixed temperature
Soluble in the liquid
Non-ideal in nature

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

Interfacial area
Degree of turbulence
Chemical properties
Physical properties

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Mass Transfer
Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation.

High pressure
Atmospheric
None of these
Vacuum

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