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Mass Transfer

Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Drun
Freeze
Rotary
Cylinder

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Mass Transfer
As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches

Integral heat of adsorption
None of these
That of normal condensation
Zero

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Mass Transfer
The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?

Interfacial
Both liquid and gas side
Gas side
Liquid side

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Neither A nor B
Liquid
Both A & B
Gas

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

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

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Mass Transfer
Dimension of mass diffusivity is the same as that of

Surface tension
Kinematic viscosity
Pressure
Dynamic viscosity

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