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Mass Transfer

Mass Transfer
For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

Rotary
Tunnel
Tray
None of these

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Treybal
Podbielniak
Schiebel
None of the listed here

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Mass Transfer
Molecular diffusivity of a liquid

Is independent of temperature
Decreases with temperature
Increases with temperature
May increase or decrease with temperature

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Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

1/T
√T
T
T²

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

Nature of the constituents
None of these
Concentration
Temperature and pressure

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Mass Transfer
In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

Gas phase
All of these
Liquid phase
Interface

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