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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Both B and C
Temperature
Pressure
Humidity

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Mass Transfer
Drying operation under vacuum is carried out to

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

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Mass Transfer
Radioactive nuclear waste is treated in

Pulsed column extractor
Rotating-disc contactor
Mixer-settler extractor
Bollman extractor

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Mass Transfer
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

100
> 100
< 100
None of these

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Mass Transfer
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)

Increase 'G' and decrease 'S'
Increase 'S' and decrease 'G'
Decrease both 'G' and 'S'
Increase both 'G' and 'S'

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

1.5
-1.5
0.6
-0.6

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