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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Agitation
None of the listed here
Temperature
Particle size

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Mass Transfer
Design calculation for multiple component distillation is done by

Ponchon-Savarit method
Enthalpy concentration method
Tray to tray calculations
Mccabe-Thiele method

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Ammonia from coke oven gas
Water from petrol
Uranium from its ore
None of the listed here

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Mass Transfer
In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is

S = 1
S > 1
S < 1
S = ∞

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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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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Extractive
Molecular
Azeotropic
Steam

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MORE MCQ ON Mass Transfer

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