Mass Transfer
Dew point of an air-water vapor mixture

At constant humidity & total pressure is fixed
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

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Mass Transfer
For absorbing a sparingly soluble gas in a liquid

Mass transfer co-efficient must be kept constant
Liquid side mass transfer co-efficient should be increased
Liquid side mass transfer co-efficient should be decreased
Gas side mass transfer co-efficient should be increased

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