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Mass Transfer

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

Danckwerts
Kissinevskii
Higbie
Toor and Marchello

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Tunnel
Rotary
Tray
Vacuum

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Mass Transfer
Flash distillation is suitable for the separation of components

Having very close boiling points
Having very wide boiling points
Which form minimum boiling azeotrope
Which form maximum boiling azeotrope

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Mass Transfer
With increase in temperature, the leaching rate increases due to

Increased diffusivity
Decreased liquid viscosity
Both A & B
Neither A nor B

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Mass Transfer
A binary mixture of benzene and cyclohexane is separated by

Ordinary distillation
Flash vaporisation
Solvent extraction
Extractive distillation

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Mass Transfer
For contacting a highly soluble gas with a liquid

Spray the liquid on gas stream
Bubble the gas through liquid
Both of the options given here
None of the listed here

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