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Mass Transfer

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

0.24
1
0.72
0.6

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

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Mass Transfer
L/mG is the expression for

Slope of operating line in stripper
Brinkman number
Slope of operating line in absorber
Absorption factor

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Mass Transfer
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Peclet
Stanton
Sherwood
Schmidt

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Mass Transfer
In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter

< 6:1
> 4 :1
< 8 : 1
> 8:1

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Mass Transfer
In azeotropic mixture, the equilibrium vapour composition is

None of the listed here
More than liquid composition
Less than liquid composition
Same as liquid composition

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MORE MCQ ON Mass Transfer

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