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Mass Transfer

Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

None of these
Room
Gas
Wet bulb

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Mass Transfer
Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in

Degree of ideality of the solution
Viscosity with concentration
Both A & B
Neither A nor B

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Mass Transfer
In which of the following unit operations, the selectivity is an important parameter?

None of these
Absorption
Solvent extraction
Distillation

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Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Increases
Remains same
Decreases
Decreases linearly

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Mass Transfer
Rayleigh's equation applies to __________ distillation.

Continuous
Differential
Flash
Steam

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Mass Transfer
The dimension of diffusivity is same as that of the

Density
Kinematic viscosity
Velocity head
Molal concentration

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