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Mass Transfer

Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm³/sec
Cm/sec
Cm²/sec

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Mass Transfer
In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the

Concentration
Nature of the constituents
None of these
Temperature and pressure

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Sherwood
Schmidt
Stanton
Peclet

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Both A & B
Decrease in air temperature
Neither A nor B
Increase in air humidity

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Ammonia from coke oven gas
Water from petrol
Uranium from its ore
None of the listed here

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Mass Transfer
Leaching rate is independent of the

Agitation
Particle size
Temperature
None of the listed here

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