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Mass Transfer

Mass Transfer
A good solvent used for absorption should not have very high

All of these
Viscosity
Freezing point
Vapor pressure

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Mass Transfer
Azeotropic distillation is employed to separate

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

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

Relative volatility
Murphree efficiency
Absorption factor
Selectivity

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Mass Transfer
Ammonia present in the coke oven gas is removed by washing with

Caustic solution
Dilute ammoniacal liquor
Dilute HCl
Ethanolamine

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Mass Transfer
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

Packed
Baffle
None of these
Plate

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Mass Transfer
The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient)

KL².DA
√(KL².DA)
KL²/DA
KL/DA²

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