A 6.4kg mass of saturated liquid-vapor mixture of water is contained within a closed system in a vertically arranged piston-cylinder device at a pressure of P1. Initially, 1.104kg of the water the liquid phase and the rest is in the vapor phase. Heat is now transferred to the water, and the piston, which is resting on a set of stops, starts moving when the pressure inside reaches P2. Heat transfer continues until the total volume increases by 5 percent. consider P1=200kpa and P2=500kpa

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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.