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A piston cylinder device with stops initially contains saturated water vapour at pressure 3.5 MPa (State 1). Then the device is heated at constant pressure until the temperature increased by 10C (State 2). The heat is removed from the system to the surrounding until the piston hit the stopper at constant pressure (State 3). At this point, the cylinder contains liquid water with the quality of zero (x = 0). The cooling continues until the pressure inside the cylinder reached 150 kPa (State 4). What is the temperature after the heating process? State the phase b. The final temperature and the quality (if any) The overall internal energy change from State 2 to State 3 (kJ/kg) d. Draw the process in T-v diagram with respect to saturation line. a. c