Dry saturated steam with a mass flow rate of 2 kg/s enters a turbine at 10 bar and expands to 1 bar. The exit condition of the steam is also dry saturated. The turbine insulation is not proper and heat leaks from the turbine casing to the ambient at the rate of 20 kW at an average turbine casing temperature of 150C. Kinetic and potential energy changes can be ignored. 14. The shaft work output from the turbine in kW is (a) 185.2 (c) 165.2 (b) 82.6 (d) 79.8 15. Rate of entropy production (kW/K) within the turbine is (a) 1.21 (c) 0.82 (b) 1.59 (d) 1.84