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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

0.6
-0.6
-1.5
1.5

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Mass Transfer
Extraction of coffee from its seed is done by

Steam distillation
Liquid-liquid extraction
Extractive distillation
Leaching

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Mass Transfer
__________ is concerned with the adsorption equilibria.

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

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

Flash vaporisation
Extractive distillation
Ordinary distillation
Solvent extraction

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Maximum permissible
Total
Minimum
Operating

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Mass Transfer
Molecular seives are regenerated by heating to __________ °C.

< 150
> 1000
200-330
> 500

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