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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Both B and C
Humidity
Pressure
Temperature

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Mass Transfer
For a binary mixture with low relative volatility, continuous rectification to get pure products will require

Low reflux ratio
Less number of trays
High reflux ratio
Small cross-section column

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

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

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

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

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Mass Transfer
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their

Viscosity
Density
Relative volatility
Solubility

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Mass Transfer
Which of the following adsorbent is used to decolourise yellow glycerine?

Fuller
Activated carbon
Silica gel
Alumina

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