Hot Combustion Gases (Assumed to Have the Properties of Air

Multiple Choice

Hot combustion gases (assumed to have the properties of air at room temperature) enter a gas turbine at 0.8 MPa and 1500 K at a rate of 2.1 kg/s, and exit at 0.1 MPa and 800 K. If heat is lost from the turbine to the surroundings at a rate of 150 kJ/s, the power output of the gas turbine is

A) 1477 kW
B) 1677 kW
C) 1327 kW
D) 1124 kW
E) 872 kW