P5) A steam power plant operates under the ideal Rankine cycle. Here, the steam at the inlet of the turbine is at 3 MPA and 350 C and the exit

of the condenser at 10 KPa Find: a) The thermal efficiency of the power plant b) The thermal efficiency if steam is superheated to 600 C instead of 350C c) The thermal efficiency if the boiler pressure is elevated to 15 MPA whilst the inlet temperature of the turbine is kept at 600 C.