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Mass Transfer

Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

Low pressure
Extractive
Steam
High pressure

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Azeotropic
Molecular
Extractive
Steam

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

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

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Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

1
> 1
∞

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Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

100
50
None of these
78

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Mass Transfer
Which of the following plays an important role in problems of simultaneous heat and mass transfer?

Prandtl number
Lewis number
Sherwood number
Schmidt number

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