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Mass Transfer

Mass Transfer
Surface renewal model of mass transfer was enunciated by

Fick
Toor and Marchello
Danckwerts
Stefan

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Gilliland
Toor and Marchello
Stefan
Fick

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Mass Transfer
Drying operation under vacuum is carried out to

Increase drying temperature
Dry those materials which have very high unbound mositure content
Dry materials having high bound moisture content
Reduce drying temperature

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Mass Transfer
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.

Film
None of these
Penetration
Surface-renewal

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Mass Transfer
In most of the vacuum crystalliser, vacuum is generally produced by means of a

Compressed air jet
Steam jet ejector with a barometric condenser
None of these
Suction pump

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Mass Transfer
Wetted wall tower experiment determines the

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

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