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Mass Transfer

Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F > 1
F = 1
F < 1
0 < f < 1

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Mass Transfer
When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation.

None of these
Steam
Azerotropic
Continuous

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Mass Transfer
Which of the following same diameter columns gives lowest pressure drop per unit height?

Bubble-cap column
Packed column (stacked)
Sieve-plate column
Randomly packed column

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Mass Transfer
In stripping section of continuous distillation column, the

None of these
Vapour is stripped of low boiler
Liquid is enriched with high boiler
Liquid is stripped of high boiler

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Mass Transfer
Leaching rate is independent of the

Particle size
Temperature
None of the listed here
Agitation

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

Solvent extraction
Ordinary distillation
Extractive distillation
Flash vaporisation

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