Mass Transfer
Heat load in a cooling tower

Neither A nor B
Is equal to the number of kg, of water circulated times the cooling range
Means the amount of heat thrown away (KCal/hr.) by the cooling tower
Both A & B

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Mass Transfer
Dew point of an air-water vapor mixture

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

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