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Mass Transfer

Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Danckwerts
Higbie
Kissinevskii
Toor and Marchello

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Mass Transfer
__________ is concerned with the adsorption equilibria.

Fick's law
Freundlich equation
None of these
Gibb's equation

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Mass Transfer
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

Total reflux
All of these
Constant relative volatility
Constant molal overflow

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Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

1/√P
P
√P
1/P

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Mass Transfer
To remove all the moisture from a wet solid it requires exposure to __________ air.

None of these
High temperature
Highly humid
Perfectly dry

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Mass Transfer
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

Neither A nor B
Both A & B
Straight
Parallel

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