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Mass Transfer

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

Low pressure
High pressure
Steam
Extractive

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Mass Transfer
Agitator is provided in a crystalliser for

Crystal growth
Formation of nuclei
All of these
Avoiding deposition on cooler surfaces

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Mass Transfer
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around

1
0.6
0.72
0.24

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Mass Transfer
Percentage saturation is __________ the relative saturation.

None of these
Always greater than
Always smaller than
Not related to

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Mass Transfer
Desirable value of absorption factor in an absorber is

0.5
< 1
> 1
1

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Mass Transfer
Steady state equimolal counter diffusion is encountered in

Separation of a binary mixture by distillation
All of these
Absorption of NH₃ from air by water
All liquid-liquid diffusion systems

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