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Mass Transfer

Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

3
1
2
4

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Mass Transfer
Minimum possible diameter of a packed coloumn is decided mainly by the

Liquid hold up
Flooding
Liquid density
Gas viscosity

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Mass Transfer
The Hatta number is important in

Gas absorption with chemical reaction
Gas absorption without chemical reaction
Multicomponent distillation
Binary distillation

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Mass Transfer
What is the reflux ratio at total reflux?

Zero
Data insufficient
Infinity
Unity

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Mass Transfer
The cooling effect in a cooling tower can be speeded up by

Increasing the air velocity and area of exposed wet surface
Reducing the humidity of the air
Reducing the barometric pressure
All of the listed here

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Sherwood
Stanton
Peclet
Lewis

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MORE MCQ ON Mass Transfer

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