Saturated water vapor initially at a pressure of 225 kPa and volume 0.01 is contained in a piston cylinder assembly. The water undergoes two processes in series: Process 1-2: Constant volume process till the pressure is 2 bars. Process 2-3 : Constant pressure process till the volume is doubled. Determine: a) the temperature at state 3 b) the total amount of work for process 1-3 c) the total amount of heat transfer for process 1-3.

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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.