One kg of air is compressed in a cylinder for each of the quasi-equilibrium processes in the table below. Fill in the missing quantities. T, (m³/kg) (°C) Process W Δυ ΔΗ P, P2 T, Vz (kJ) (kJ) (kJ) (kJ) (КРа) (КРа) (°C) (m³/kg) 200 200 V = C P = C a) 200 400 200 400 b) c) T = C 80 200 60 600 0.2 0.02

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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.