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Mass Transfer

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-1.5
1.5
-0.6
0.6

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Mass Transfer
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as

K ∝ √D
K ∝ D1.5
K ∝ D2
K ∝ D

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Mass Transfer
Selectivity of the solvent used in solvent extraction should be

< 1
1
> 1

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Sharp drop in pressure drop
Sharp rise in pressure drop
None of these
Increase in flow rate

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

Rotary
Tray
Tunnel
Vacuum

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Mass Transfer
__________ is concerned with the adsorption equilibria.

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

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