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Mass Transfer

Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

L/mG
LG/m
G/mL
ML/G

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Mass Transfer
Pick out the system with minimum boiling azeotrope at 1 atm.

Benzene-toluene
Ethyl alcohol-water
All of these
Hydrochloric acid-water

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Mass Transfer
The critical moisture content in case of drying indicates the __________ rate period.

End of falling
None of these
Beginning of falling
Beginning of constant

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Mass Transfer
In which of the following unit operations, the selectivity is an important parameter?

Solvent extraction
Absorption
Distillation
None of these

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Mass Transfer
In paper industry, paper is dried in a __________ dryer.

Conveyor
Tunnel
Festoon
Heated cylinder

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

None of these
Straight line
Slightly concave upward
Slightly concave downward

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