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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Adsorption
Steam distillation
Leaching
Multicomponent absorption

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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
Degree of freedom for leaching and solvent extraction process is

2
3
1

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

Surface-renewal
None of these
Film
Penetration

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Mass Transfer
Can a cooling tower cool water below the wet bulb temperature of inlet air?

Yes
Yes ; but height of cooling tower will be prohibitively high
No
Yes ; but the air flow rate should be excessively high

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Mass Transfer
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?

Wetted wall tower
Perforated tray tower
Bubble cap tower
Grid tray tower

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