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Mass Transfer

Mass Transfer
According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity)

μ²
μ
√μ
1/μ

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Mass Transfer
Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory.

None of these
Penetration
Film
Surface renewal

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Mass Transfer
The binary diffusivity in gases does not depend upon the

Pressure
None of the listed here
Temperature
Nature of the components

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Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

Litre
Kg
Gm
c

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Mass Transfer
The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by

Lowering the total pressure
Neither A nor B
Raising the temperature
Both A & B

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Mass Transfer
As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

Can either increase or decrease, depends on the system
Increase
Decrease
Remain unchanged

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