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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Temperature
Humidity
Pressure
Both B and C

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Surface renewal
Film
None of the listed here
Penetration

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Mass Transfer
Can the efficiency of a plate in the distillation tower be greater than 100%?

Yes
Normally not; but is possible if infinite number of plates are put
Yes ; if the reflux ratio is maximum
Never

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Mass Transfer
__________ is concerned with the adsorption equilibria.

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

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Mass Transfer
Plate efficiency in a distillation column is reduced due to the __________ of liquid.

Weeping & dumping
All of these
Foaming
Entrainment

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Mass Transfer
Operating velocity in a packed tower is usually __________ the flooding velocity.

More than
Equal to
Half
Twice

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