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Mass Transfer

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-0.6
1.5
0.6
-1.5

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Mass Transfer
The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by

Both A & B
Neither A nor B
Raising the temperature
Lowering the total pressure

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Mass Transfer
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

At a fixed temperature
Non-ideal in nature
Soluble in the liquid
Insoluble in the liquid

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Mass Transfer
In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as

Ri = Re/(1 + Re)
Ri = Re/(1 - Re)
Ri = Re
Ri = (1 - Re)/Re

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

3
2
1

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Mass Transfer
Capacity of a rotary dryer depends on its

Both Inclination with ground surface & R.p.m
Inclination with ground surface
None of the listed here
R.p.m

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