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Mass Transfer

Mass Transfer
Pore size of the molecular seive 5A is __________ mm.

5
50
0.5
0.05

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Mass Transfer
Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve)

S₁ - S₂
S₁/S₂
S₂/S₁
S₁ x S₂

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

Increases rapidly
Decreases rapidly
Is maximum
Remains constant

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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
None of these
Wet bulb

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Mass Transfer
Relative volatility does not change appreciably with the change in

Total pressure
Vapour pressure of either component
None of these
Temperature

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Mass Transfer
The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature.

Dry bulb
None of these
Wet bulb
Dew point

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