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Posted: **Mon May 16, 2022 7:45 am**

: A Piston Cylinder Device Initially Contains 0 15 Kg Steam At 3 5 Mpa Superheated By 5 C The Steam Loses Heat To The Su 1 (111.69 KiB) Viewed 56 times

: A Piston Cylinder Device Initially Contains 0 15 Kg Steam At 3 5 Mpa Superheated By 5 C The Steam Loses Heat To The Su 2 (34.36 KiB) Viewed 56 times

A piston-cylinder device initially contains 0.15-kg steam at 3.5 MPa, superheated by 5°C. The steam loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200°C. Steam 0.15 kg 3.5 MPa Q
Determine: (a) the final pressure and the quality (if it is still a mixture) [50/100 marks] (b) the work done by the boundary