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Mass Transfer

Mass Transfer
Large scale drying of wheat is done in a __________ dryer.

Tray
Vacuum rotary
Spouted bed
Fluidised bed

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Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Thermal
Forced
Concentration
Pressure

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Mass Transfer
Azeotropic distillation is employed to separate

Heat sensitive materials
Constant boiling mixture
Mixture with very high relative volatility
High boiling mixture

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Furfural
Butyl acetate
Benzol
Hexane

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Mass Transfer
The expression, y(1 - x)/x(1 - y) is for

Selectivity
Murphree efficiency
Absorption factor
Relative volatility

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm²/sec
Cm³/sec
Cm/sec

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