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MASS TRANSFER

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

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

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Mass Transfer
Which of the following is not a continuous leaching equipment?

Kennedy extractor
Hydrocyclones
Pachuka tank
Bollman extractor

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Mass Transfer
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?

90
91.5
99
95

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Mass Transfer
Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in

All of these
Large number of trays
Large minimum liquid to gas (L/G) ratio
Decreased solute solubility

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Mass Transfer
Which of the following mixtures does not form an azeotrope at atmosheric pressure?

Water-alcohol
Methyl alcohol-acetone
None of these
Butyl acetate-water

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