3. Hot combustion gases,modeled as air behaving as an ideal gas, enter a turbine at 10 bar, 1500 K with a mass flowrate of 0.1 kg/s and exit at 1.97

bar and 900 K. If the power output of the turbine is 55.4 kW, determine the rate of heat transfer from the turbine to its surroundings, in kW.180°C

Fig: 1