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Mass Transfer

Mass Transfer
Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is

Same
More
Less
Unpredictable

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Mass Transfer
The humid volume may be increased by increasing the

Both A & B
Temperature at constant humidity
Humidity at constant temperature
Neither A nor B

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

1
2
3

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Mass Transfer
Under conditions of flooding in packed tower, the gas pressure drop

Remains constant
Is maximum
Decreases rapidly
Increases rapidly

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

Increasing the air velocity over the wet surfaces
Lowering the barometric pressure
None of these
Reducing the humidity of entering air

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Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

Absorption
Extractive distillation
None of these
Crystallisation

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