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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Adsorption
Leaching
Multicomponent absorption
Steam distillation

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Mass Transfer
The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same.

Heat and momentum
Heat and mass
Mass and momentum
Heat, momentum and mass

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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
If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.

a₁ = a₂
None of these
a₁ = 0.5 a₂
a₁ = 2a₂

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

Gas
Liquid
Neither A nor B
Both A & B

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Mass Transfer
High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Thermal decomposition of bottoms
Very efficient operation
Erosion of the tower
Increased relative volatility

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