5.37 A reversible heat pump transfers heat from the water contained in a cylinder A fitted with a frictionless piston and rejects heat to the water contained in a rigid tank B of 0.8m3 volume. The schematic of the process is shown in the figure below. The ambient pressure is 100kPa. Cylinder A initially contains 1kg of wet steam with a quality of 50% while tank B contains wet steam at 200kPa and 60% quality. If the heat pump operates until cylinder A contains saturated liquid, determine the final temperature in tank B. (Answer: 138.1C )