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Mass Transfer

Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

1
≤ 1
< 1
> 1

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Mass Transfer
The humid volume may be increased by increasing the

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

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.

Both plug & perfectly mixed
Perfectly mixed
Plug
None of the listed here

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Mass Transfer
The Hatta number is important in

Binary distillation
Gas absorption with chemical reaction
Multicomponent distillation
Gas absorption without chemical reaction

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Reboiler itself contains one plate
Vapour is recycled to the column
None of these
Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

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Mass Transfer
Chemisorption (chemical adsorption) is

Characterised by adsorption of heat
An irreversible phenomenon
A reversible phenomenon
Same as "Van der Waals" adsorption

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