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Mass Transfer

Mass Transfer
__________ developed the film theory.

Fick
Ergun
Higbie
Levenspeil

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Mass Transfer
Wetted wall tower experiment determines the

Volumetric co-efficient
Mass transfer co-efficient
Molal diffusivity
None of these

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

Vapour pressure of either component
Total pressure
None of these
Temperature

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Mass Transfer
During sensible cooling process

Both B and C
Wet bulb temperature decreases
Relative humidity decreases
Relative humidity increases

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Mass Transfer
If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is

< 1
> 1
1

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Remains unaffected
Increases
Increases Linearly
Decreases

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