Mass Transfer
In stripping section of continuous distillation column, the

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

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Mass Transfer
Plate efficiency

Increases due to foaming
Is a function of the mass transfer between liquid and vapour
Increases due to weeping and dumping of liquid
Increases due to liquid entrainment

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Mass Transfer
If a two phase system is in physical equilibrium; then it means that, the

Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase
All of these
Total pressure throughout the liquid phase is equal to that throughout the vapor phase
Temperature of the liquid phase is equal to that of the vapor phase

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