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Mass Transfer

Mass Transfer
The diffusivity (D) in a binary gas mixture is related to the pressure (P) as

D ∝ 1/P0.5
D ∝ 1/P1.5
D ∝ 1/P
D ∝ P0.5

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Mass Transfer
Sticky material can be dried in a __________ dryer.

Rotary
None of these
Tray
Fluidised bed

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Mass Transfer
In azeotropic mixture, the equilibrium vapour composition is

Less than liquid composition
More than liquid composition
None of the listed here
Same as liquid composition

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Mass Transfer
Agitator is provided in a crystalliser for

Crystal growth
Formation of nuclei
Avoiding deposition on cooler surfaces
All of these

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Mass Transfer
Swenson-Walker crystalliser is a __________ unit

Cooling (adiabatic)-cum-evaporation
Semi-batch
Batch
Continuous

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Mass Transfer
______ is the separation technique used for desalination of sea water.

Reverse osmosis
Thermal diffusion
Adsorption
Absorption

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