A piston/cylinder arrangement contains 1 kg of water, shown in Fig. P5.16. The piston is spring loaded and initially rests on some stops. A pressure of 300 kPa will just float the piston and, at a volume of 1.5 m3, a pressure of 500 kPa will balance the piston. The initial state of the water is 100 kPa with a volume of 0.5 m3. Heat is now added until a pressure of 400 kPa is reached.
a. Find the initial temperature and the final volume.
b. Find the work and heat transfer in the process and plot the P€“V diagram.

Transcribed Image Text:

500 400 300 100 + 0.5 1.0 1.5