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Mass Transfer

Mass Transfer
Degree of freedom for leaching and solvent extraction process is

3
1
2

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.

None of the listed here
Perfectly mixed
Both plug & perfectly mixed
Plug

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

Flash vaporisation
Extractive distillation
Solvent extraction
Ordinary distillation

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Mass Transfer
Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. )

(1 - Ri) = Ro/Ri
(1 - Ro) = Ro/Ri
(1 + Ro) = Ro/Ri
(1 + Ri) = Ro/Ri

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Mass Transfer
As per Gilliland's equation, the diffusivity is

Dependent on the molecular volume & molecular weight of components
Inversely proportional to 'P'
Directly proportional to 'T1.5'
All of these

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Mass Transfer
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

Packed tower
Bubble cap column
Agitated vessel
Sieve tray column

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