Solve the following problem:
Q: A flow moist air at 100 kPa, 40°C, 40% relative humidity is cooled to 15°C in a constant pressure SSSF device. Find the humidity ratio of the inlet and the exit flow, and the heat transfer in the device per kg dry air. You should solve the given problem step by step and also you need to include all the units which are needed to accomplish the given problem.Your calculation should be clear and understandable