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Mass Transfer

Mass Transfer
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is

1
2
0.5
0.6

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Mass Transfer
Packed column distillation is limited to the column __________ metres.

Diameter < 0.6
Height < 6
Both A & B
Neither A nor B

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Mass Transfer
Drying operation under vacuum is carried out to

Dry materials having high bound moisture content
Dry those materials which have very high unbound mositure content
Reduce drying temperature
Increase drying temperature

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

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

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Mass Transfer
The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an

Ternary mixture
Insoluble binary system
Pure component
Binary mixture

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Mass Transfer
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

Total reflux
All of these
Constant molal overflow
Constant relative volatility

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