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Mass Transfer

Mass Transfer
The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

600
0.24
3.97
1

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Mass Transfer
L/mG is the expression for

Absorption factor
Brinkman number
Slope of operating line in stripper
Slope of operating line in absorber

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Mass Transfer
Steady state equimolal counter diffusion occurs in case of

Leaching
Absorption
Liquid-liquid extraction
Binary phase distillation

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Is one at unity value of
Increases with increase in
Both A and B
Neither A nor B

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Mass Transfer
The solvent used in liquid-liquid extraction should have __________ less than one.

Selectivity
Distribution co-efficient
Neither A nor B
Both A & B

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Mass Transfer
In triangular co-ordinates, the ternery composition point falls __________ of the triangle.

On the sides
Inside
In the corners
None of these

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