15 kg of air in a pistoncylinder assembly has initial, Mechanical Engineering

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15 kg of air in a pistoncylinder assembly has initial

1.5 kg of air in a piston/cylinder assembly has initial temperature and pressure 27^oC and 1.5 bar respectively. Then the system is heated in constant volume to 727^oC (state 1-2) and then heated again constant pressure to 1227^oC (state 2-3). Determine the amount of heat transfer during the whole process. (Use constant specific heat, c_v=0.825 kJ/kg.K)

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