Mass Transfer
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Decreases linearly
Increases
Remains same
Decreases

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Mass Transfer
Dew point of an air-water vapor mixture

At constant humidity & total pressure is fixed
Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve
Decreases with decrease in pressure
All of the listed here

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