Question: A pistoncylinder device contains steam initially at 1 MPa, 450C, and 2.5 m3. Steam is allowed to cool at constant pressure until it first starts

A piston–cylinder device contains steam initially at 1 MPa, 450°C, and 2.5 m3. Steam is allowed to cool at constant pressure until it first starts condensing. Show the process on a T-v diagram with respect to saturation lines and determine
(a) The mass of the steam,
(b) The final temperature, and
(c) The amount of heat transfer.

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