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Mass Transfer

Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

(X + 1)/X
X/(X + 1)
X/(X - 1)
(X - 1)/X

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Mass Transfer
Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in

Degree of ideality of the solution
Both A & B
Neither A nor B
Viscosity with concentration

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Mass Transfer
Only small amount of evaporation of water produces large cooling effects because of its

Low viscosity
None of these
Small latent heat
Large latent heat

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Either A or B, depends on the mixture composition
Lower than
Higher than
Equal to

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Mass Transfer
__________ equation applies to diffusivities in liquids.

None of these
Wilke and Chang
Hirschfelder
Gilliland

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

K₂CO₃
Vacuum gas oil
HCl
Ethanolamine

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