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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

1/f
F
F/2
2f

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Mass Transfer
In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

Interface
Liquid phase
All of these
Gas phase

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Mass Transfer
Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation.

Steam
Molecular
Simple
Extractive

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Mass Transfer
The most economical range of absorption factor is

2.5 to 3
1.25 to 2
5 to 10
2 to 2.5

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Plate
Centrifugal
None of these
Packed

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Mass Transfer
NSc/NPr is called the

Lewis number
Stantan number
Psychrometric ratio
Sherwood number

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