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

Question

A piston–cylinder device contains steam initially at 1 MPa, 450oC, and 2.5 m3. Steam is allowed to cool at constant pressure until it first starts condensing.

  1. a)  Show the process on a T-v diagram with respect to saturation line

  2. b)  Determine the mass of the steam

  3. c)  Determine the final temperature

  4. d)  Determine the amount of heat transfer.

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