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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Temperature
Pressure
Both B and C
Humidity

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Mass Transfer
Which of the following is not a continuous drier?

Drum drier
Tray drier
Spray drier
Tunnel drier

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Mass Transfer
Liquid diffusivity is of the order of __________ cm² /second.

0.1
> 1
0.01
10-5 to 10-6

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Mass Transfer
The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

600
0.24
1
3.97

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

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

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Concentration
Thermal
Force
Pressure

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