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Mass Transfer

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
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
1
2

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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

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

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

None of these
Slightly concave upward
Slightly concave downward
Straight line

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Mass Transfer
__________ extractor is used for the concentration of radioactive nuclear waste.

Seive plate
None of the listed here
Mixer-settler
Pulsed column

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Mass Transfer
Absorption factor method is used to calculate the number of ideal stages, when

Operating line lies above the equilibrium line
Pressure drop in the column is very high
Operating line lies below the equilibrium line
Both operating and equilibrium lines are parallel

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