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Mass Transfer

Mass Transfer
Desirable value of absorption factor in an absorber is

0.5
> 1
1
< 1

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Mass Transfer
Schmidt number is given by

Re/Pe
Μ/ρDAB
Sh x Pe
Re.Pe

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Mass Transfer
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

Neither A nor B
Both A & B
Straight
Parallel

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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.

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

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Mass Transfer
In McCabe-Thiele method, at infinite reflux ratio

Both A & B
Both the operating lines coincide with diagonal
Neither A nor B
The overhead product is minimum

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Mass Transfer
Molecular seives are regenerated by heating to __________ °C.

> 500
> 1000
< 150
200-330

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