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Mass Transfer

Mass Transfer
__________ developed the film theory.

Levenspeil
Fick
Ergun
Higbie

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Sharp drop in pressure drop
Sharp rise in pressure drop
None of these
Increase in flow rate

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

Less
More
Either A or B; depends on the packing height
Equal

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Mass Transfer
When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.

Same as
Always lower than
Always higher than
Dependent on the system; can be either lower or higher than

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

None of these
1
?

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Mass Transfer
In extractive distillation, solvent is

Of high volatility
Present in overhead stream
Of high viscosity to give high tray efficiency
Added to alter the relative volatility of the mixture

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