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Mass Transfer

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

K₂CO₃
Ethanolamine
Vacuum gas oil
HCl

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Mass Transfer
The fixed cost of a distillation column at minimum reflux ratio is

Minimum
None of these
Infinite
Optimum

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

1
3
2

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

None of the listed here
Treybal
Schiebel
Podbielniak

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Mass Transfer
Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

5 to 10
1 to 5
1
> 10

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Mass Transfer
Decoction refers to the use of solvent

At its boiling point
At ambient temperature
In its vapor form
None of these

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