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Mass Transfer

Mass Transfer
During drying operation, it is easier to remove the __________ moisture.

Unbound
Equilibrium
Critical
Bound

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Mass Transfer
Cox chart is useful in the design of

Dryer
Evaporator
Distillation column
Crystalliser

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Mass Transfer
Molecular diffusivity of a liquid

Is independent of temperature
Increases with temperature
Decreases with temperature
May increase or decrease with temperature

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Mass Transfer
Which of the following equipments is not used for gas dispersion?

Spray towers
Perforated sieve tray towers
Bubble cap tray towers
Agitated vessels

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Mass Transfer
The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is

∞
2
1
0.5

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Mass Transfer
As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

Increase
Can either increase or decrease, depends on the system
Decrease
Remain unchanged

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