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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)

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

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

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

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Mass Transfer
Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)

Log P vs. log T
P vs . log T
T vs . P
Log P vs . T

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Mass Transfer
A minimum boiling azeotrope is exemplified by

Toluene-benzene
None of these
Water-isobutyl alcohol
Acetone-carbon disulphide

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Mass Transfer
Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in

Viscosity with concentration
Neither A nor B
Both A & B
Degree of ideality of the solution

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Mass Transfer
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?

Perforated tray tower
Wetted wall tower
Bubble cap tower
Grid tray tower

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MORE MCQ ON Mass Transfer

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