Question: Ambient air at 100 kPa, 30C, 40% relative humidity goes through a constant pressure heat exchanger as a steady flow. In one case it is

Ambient air at 100 kPa, 30°C, 40% relative humidity goes through a constant pressure heat exchanger as a steady flow. In one case it is heated to 45°C and in another case it is cooled until it reaches saturation. For both cases find the exit relative humidity and the amount of heat transfer per kilogram dry air.

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