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Mass Transfer

Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

1
-1
+ ve
- ve

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Mass Transfer
Large scale usage of flash distillation is practised in

Petroleum refinning
Polymerisation industry
Ammonia synthesis plant
Soap manufacturing

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Increase in air humidity
Both A & B
Neither A nor B
Decrease in air temperature

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Mass Transfer
The Kundsen diffusivity is proportional to (where, T = absolute temperature)

√T
T²
T
T⁴

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Mass Transfer
Which of the following parameters remains constant during chemical dehumidifica-tion?

Wet bulb temperature
None of these
Partial pressure of vapour
Dry bulb temperature

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Mass Transfer
The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same.

Heat, momentum and mass
Heat and momentum
Mass and momentum
Heat and mass

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