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MASS TRANSFER

Mass Transfer
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)

Decrease both 'G' and 'S'
Increase both 'G' and 'S'
Increase 'G' and decrease 'S'
Increase 'S' and decrease 'G'

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Hexane
Butyl acetate
Benzol
Furfural

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Mass Transfer
The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

1
600
3.97
0.24

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

More
Less
Equal
Either A or B; depends on the packing height

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Calculated
Known
Not required
Unknown

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