A 1 kg saturated water vapour is initially stored in a piston-cylinder device at 200°C. The water vapour is then cooled at constant pressure to saturated liquid. Neglect the changes of potential and kinetic energies during the process. i) ii) iii) iv) Show the process on a T-v diagram with respect to saturation lines. Determine the boundary work for this process, kJ. State whether the process is compression or expansion. Show the process on a pressure versus volume (P-V) diagram and indicates region that represents the boundary work.
A 1 kg saturated water vapour is initially stored in a piston-cylinder device at 200°C. The water vapour is then cooled at constant pressure to saturated liquid. Neglect the changes of potential and kinetic energies during the process. i) ii) iii) iv) Show the process on a T-v diagram with respect to saturation lines. Determine the boundary work for this process, kJ. State whether the process is compression or expansion. Show the process on a pressure versus volume (P-V) diagram and indicates region that represents the boundary work.
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Transcribed Image Text:A 1 kg saturated water vapour is initially stored in a piston-cylinder device at 200°C. The
water vapour is then cooled at constant pressure to saturated liquid. Neglect the changes of
potential and kinetic energies during the process.
i)
ii)
iii)
iv)
Show the process on a T-v diagram with respect to saturation lines.
Determine the boundary work for this process, kJ.
State whether the process is compression or expansion.
Show the process on a pressure versus volume (P-V) diagram and indicates region
that represents the boundary work.
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