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Mass Transfer

Mass Transfer
Cox chart is useful in the design of

Crystalliser
Dryer
Distillation column
Evaporator

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Furfural
Hexane
Benzol
Butyl acetate

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Mass Transfer
Surface renewal model of mass transfer was enunciated by

Toor and Marchello
Stefan
Danckwerts
Fick

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm/sec
Cm³/sec
Cm²/sec

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Mass Transfer
Chemisorption compared to physical absorption has

Lower capacity of the solvent for the solute gas
Increased utilisation of stagnant zones of the liquid phase
Lower adsorption rate
None of these

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

Half
Equal to
Twice
More than

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