Mass Transfer
Dew point of an air-water vapor mixture

Decreases with decrease in pressure
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
All of the listed here
At constant humidity & total pressure is fixed

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Mass Transfer
In case of absorption with exothermic reaction, for fluids having

Both A & B
Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence
Pr = Sc ; there won
Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same

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