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MASS TRANSFER

Mass Transfer
The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

All of these
Total pressure
Composition
Temperature

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Mass Transfer
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

Decreases
And the heat required in reboiler decreases
Increases
Remains unaffected

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Mass Transfer
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.

Wetted wall
Packed
Bubble cap
Perforated tray

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Mass Transfer
In liquid extraction, if the selectivity is unity, then

Amount of solvent required will be minimum
Solvent flow rate should be very low
Separation of the constituents is the most effective
No separation will occur

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

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

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