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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Pressure
Temperature
Both B and C

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Mass Transfer
A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process?

Flow rate of inlet air
Humidity of inlet air
Relative humidity of outlet air
Temperature of the solid

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Mass Transfer
The reciprocal of stripping factor is termed as

Relative volatility
Absorption factor
Murphree efficiency
Selectivity index

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Mass Transfer
The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

2
1
∞
0.5

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Is one at unity value of
Both A and B
Increases with increase in
Neither A nor B

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Mass Transfer
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

Extractive
Flash
Azeotropic
Molecular

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