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Mass Transfer

Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

+ve
∞
-ve

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Both A & B
Gas
Neither A nor B
Liquid

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Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

HCl
K₂CO₃
Ethanolamine
Vacuum gas oil

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Mass Transfer
Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution.

Both A & B
Viscosity
Degree of ideality
Neither A nor B

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Mass Transfer
Diameter to height ratio for a rashig ring is

0.5
2
1
5

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Mass Transfer
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

All of these
Constant relative volatility
Total reflux
Constant molal overflow

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