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Mass Transfer

Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Packed
Tray
Spray
Bubble

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Mass Transfer
Which of the following increases during evaporative cooling process with recirculated water supply?

Both B and C
Relative humidity
Partial pressure of vapour
Wet bulb temperature

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Mass Transfer
Steam distillation is used for separation of high boiling

Both of the options given here
Substances from non-volatile impurities
Volatile impurity from still higher boiling substances
none of the listed here

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Mass Transfer
A minimum boiling azeotrope is exemplified by

Water-isobutyl alcohol
Acetone-carbon disulphide
None of these
Toluene-benzene

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Mass Transfer
Positive deviation from Raoult's law means a mixture whose total pressure is

Less than that computed for ideality
None of these
Greater than that computed for ideality
Less than the sum of the vapour pressure of the components

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Mass Transfer
In distillation, overhead product contains

Only one component
Two components
Any number of components
Only saturated liquid

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