A steam power plant operates on the cycle of Fig. 8,4, For one of the following sets of operating conditions, determine the steam rate, the heal-transfer rates in the boiler and condenser, and the thermal efficiency of the plant.(a) P1 = P2 = 10000 kPa; T2 = 600oC: P3 = P4 = 10 kPa. ή(turbine) = 0.80;ή(pump) = 0.75; power rating = 80,000 kW.(b) P1 = P2 = 7000 kPa; T2 = 550oC; P3 = P4 = 20 kpa; ή(turbine...