5-207 Hot combustion gases (assumed to have the properties of air at room temperatur e) enter a gas turbine at 1 MPa and 1500 K at a rate of 0.1 kg/s, and exit at 0.2 MPa and 900 K. If heat is lost from the turbine to the surroundings at a rate of 15 kJ/s, the power output of the gas turbine is a) 15 kW d) 60 kW b) 30 kW e) 75 kW c) 45 kW | |
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