Mass Transfer
Plate efficiency

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

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Mass Transfer
Pick out the wrong statement. Raoult's law does not apply, when the

Chemical combination or molecular association between unlike molecules takes place in the formation of solution
Component molecules are nonpolar
Attractive forces between like and unlike molecules in the solution are approximately equal
Size of component molecules are not equal

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Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Comprises of thin bed of substances of extended surface having high porosity
Helps in increasing the bubble size entering the settler
Helps in increasing the settling rate of the bubbles
All of these

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