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Mass Transfer

Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

Unity
Infinity
Zero
None of these

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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
A binary mixture of benzene and cyclohexane is separated by

Ordinary distillation
Flash vaporisation
Solvent extraction
Extractive distillation

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Equal to
Either A or B, depends on the mixture composition
Lower than
Higher than

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Mass Transfer
Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.

Equal to
Less than
Either A or B; depends on the solid
More than

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Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

Molal
Percentage
Relative
None of these

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