1. A steam power plant operates on the Rankine cycle according to the following specification T= 500°C exiting boiler P = 4 MPa exiting boiler P = 0.02 MPa exiting turbine Turbine efficiency 85% Pump efficiency 80% Plant Capacity = 80 MW Determine the following using steam tables: Work output of turbine per kilogram of steam (kJ/kg) b. Work input of the pump per kilogram of water (kJ/kg) Steam flow rate required (kg/s) d. Heat input required in the boiler e. Thermal efficiency а. С.

5. A steam power plant operates on the cycle below. Complete the table. -2200.0 kJ/kg Ideal Turbine Work Turbine Efficiency Ideal Pump Work Pump Efficiency 0.75 100.0 kJ/kg 0.80 4000.0 kJ/kg 125 kg/s Boiler Heat Transfer Steam Rate Condenser Heat Transfer Cycle Thermal Efficiency Power Rating (kW)

[1] Repeat Example 7.10 (pages 288-289) but with the following exceptions: water is discharged at 9,000 kPa, and n=0.8. Calculate the work of the pump and AT using steam tables and equation 7.25