A Piston-Cylinder arrangement initially contains 3 kg of water as saturated liquid at 200 kPa pressure. Then, heat transfer to water, some of the water evaporates and the piston rises. When the volume is 60 liters, the piston touches the stoppers. Heating process continues until the pressure is twice the initial pressure. Plot the state change on the P-v diagram showing the saturation curves. Also, A) Finally, find the mass of the system in liquid phase. B) Find the final temperature. C) Calculate the total work done and heat transfer during the process.

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.