Consider a vertical spring-loaded piston cylinder. The gas inside the cylinder has a pressure of 130 kPa. And the spring exerts a downward force of 200 N on the top of the piston. The diameter of the piston is 10 cm and the atmospheric pressure is 1 bar. Determine the mass of the piston that will maintain equilibrium. Neglect the friction effects between the surface of the piston and the cylinder

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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.