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Mass Transfer

Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re
Re0.53
Re0.33
Re0.83

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Lower than
Higher than
Equal to
Either A or B, depends on the mixture composition

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Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

T and T3/2
T3/2 and √T
√T and T3/2
T3/2 and T

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Mass Transfer
Minimum reflux ratio in a distillation column results in

Maximum condenser size
Minimum reboiler size
Optimum number of trays
Minimum number of trays

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Mass Transfer
In distillation, overhead product contains

Only one component
Any number of components
Two components
Only saturated liquid

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Mass Transfer
In stripping section of continuous distillation column, the

None of these
Liquid is enriched with high boiler
Vapour is stripped of low boiler
Liquid is stripped of high boiler

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