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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

Unpredictable
More
Same
Less

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Mass Transfer
Molality is defined as the number of gm moles of solute per __________ of solvent.

m³
Gm
Kg
Litre

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

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

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Mass Transfer
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Solvent extraction
Continuous distillation
Absorption
Evaporation

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Decreases
Remains unaffected
Increases Linearly
Increases

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Mass Transfer
In batch distillation with constant reflux, overhead product composition __________ with time.

Increases
Does not vary
Decreases
May increase on decrease, depends on the system

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