FSteam Expands in a Turbine from 6 MPa and 500°C

Multiple Choice

fSteam expands in a turbine from 6 MPa and 500°C to 0.2 MPa and 150°C at a rate of 1.2 kg/s. Heat is lost from the turbine at a rate of 34 kJ/s during the process. The power output of the turbine is

A) 750 kW
B) 784 kW
C) 818 kW
D) 573 kW
E) 641 kW