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Mass Transfer

Mass Transfer
When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal.

1
?
< 1
> 1

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Mass Transfer
Which of the following is the most commonly used leaching solvent in vegetable oil industry?

Phenol
Furfurol
Liquid SO₂
Hexane

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Mass Transfer
Under conditions of flooding in packed tower, the gas pressure drop

Remains constant
Is maximum
Increases rapidly
Decreases rapidly

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Mass Transfer
__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

Dry bulb
Dew point
Wet bulb
None of these

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Tunnel
Tray
Vacuum
Rotary

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Indirect tray
None of these
Spray
Freeze

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