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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
Spray
Tray
Bubble

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Mass Transfer
COâ‚‚ can be absorbed by

Heated charcoal
Cold Ca(OH)â‚‚
Alumina
Hot cupric oxide

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Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

Wet bulb temperature
Dew point
None of these
Dry bulb temperature

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Mass Transfer
Swenson-Walker crystalliser is a __________ unit

Cooling (adiabatic)-cum-evaporation
Batch
Semi-batch
Continuous

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Mass Transfer
Stacked packing compared to dumped packing

Gives higher pressure drop
Provides poorer contact between the fluids
Gives lower pressure drop
Both A & B

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

?
1
None of these

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