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Mass Transfer

Mass Transfer
Humid volume, at a given temperature is a/an __________ function of humidity.

Linear
Logarithmic
Inverse
Exponential

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Mass Transfer
Can the efficiency of a plate in the distillation tower be greater than 100%?

Yes ; if the reflux ratio is maximum
Yes
Normally not; but is possible if infinite number of plates are put
Never

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Mass Transfer
In stripping section of continuous distillation column, the

Vapour is stripped of low boiler
Liquid is stripped of high boiler
Liquid is enriched with high boiler
None of these

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Mass Transfer
Which of the following operations does not involve leaching?

Dissolving sugar from the cells of the beet
Dissolving pharmaceutical products from bark or roots
Removing nicotine from its water solution by kerosene
Dissolving gold from ores

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Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

2f
F/2
F
1/f

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Mass Transfer
The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

Decreases
Remains unchanged
Increases
May increase or decrease, depends on the system

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