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Mass Transfer

Mass Transfer
Desirable value of absorption factor in an absorber is

1
0.5
> 1
< 1

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Mass Transfer
Wetted wall tower experiment determines the

None of these
Volumetric co-efficient
Mass transfer co-efficient
Molal diffusivity

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Mass Transfer
L/mG is the expression for

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

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Mass Transfer
During drying operation, it is easier to remove the __________ moisture.

Unbound
Equilibrium
Bound
Critical

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Mass Transfer
Drying operation under vacuum is carried out to

Increase drying temperature
Dry materials having high bound moisture content
Reduce drying temperature
Dry those materials which have very high unbound mositure content

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

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

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