A Carnot power cycle operates on 2lb/min of air between the limits of 70F and 500 F. The pressure at the beginning of isothermal expansions is 400 psia and at the end of isothermal expansion 185.psig, determine; a. The volume at the end of the isothermal compression b. ΔS during an isothermal process c. Qa, Qr, Wnet

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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.