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Mass Transfer

Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

< 1
≤ 1
> 1
1

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Mass Transfer
In case of non-ideal gases and liquids, the molal diffusivity

Is equal to the volumetric diffusivity
Varies directly as the pressure
Is independent of pressure
Varies inversely as the pressure

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Mass Transfer
Total reflux in a distillation operation requires minimum

Condenser load
Reboiler load
All of these
Number of plates

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Mass Transfer
The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives

High pressure drop and low hold up
Low pressure drop and high hold up
High pressure drop and high hold up
Low pressure drop and low hold up

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Mass Transfer
Which of the following has the same dimension as mass diffusivity?

Thermal diffusivity
Both Momentum flux & Kinematic viscosity
Kinematic viscosity
Momentum flux

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Mass Transfer
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Sherwood
Schmidt
Stanton
Peclet

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MORE MCQ ON Mass Transfer

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