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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

F/2
F
2f
1/f

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Mass Transfer
The dimension of diffusivity is same as that of the

Density
Molal concentration
Velocity head
Kinematic viscosity

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Mass Transfer
The humid volume may be increased by increasing the

Both A & B
Neither A nor B
Humidity at constant temperature
Temperature at constant humidity

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Mass Transfer
L/mG is the expression for

Slope of operating line in stripper
Absorption factor
Slope of operating line in absorber
Brinkman number

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Mass Transfer
The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the

Temperature falls
Temperature rises
Pressure rises
Pressure falls

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Mass Transfer
Unit of molal diffusivity is

Gm moles/cm². sec
Gm moles/cm² . sec
Gm moles/cm. sec
Cm²/sec gm . mole

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