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Mass Transfer

Mass Transfer
Rate of leaching increases with increasing

Temperature
Viscosity of solvent
Size of the solid
Pressure

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Mass Transfer
Which of the following is not fixed by the process requirements, in the design of absorbers?

Flow rate of the entering gas
None of these
Terminal concentrations of gas stream
Composition of the entering liquid

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Mass Transfer
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.

Both A & B
Liquid
Gas
Neither A nor B

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Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

G/mL
LG/m
ML/G
L/mG

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Mass Transfer
Humid volume, at a given temperature is a/an __________ function of humidity.

Linear
Exponential
Logarithmic
Inverse

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Mass Transfer
Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid )

P < P
P
P = P
P >>P

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