Steam at 20 bar, 360°C expanded in a steam turbine to 0.08 bar. Then it enters into a condenser where it condensed to saturated liquid water. If the turbine and pump have 80% efficiency. Find a percentage reduction in the net work.

Properties at 360° and 20 bar

h = 3159.3 kJ/kg

S = 6.9917 kJ/kgK

Properties at 0.08 bar

hf = 173.88 kJ/kg

sf = 0.5926 kJ/kg K

sfg = 7.6361 kJ/kg K

hfg = 2403.1 kJ/kg

sg = 8.2287 kJ/kg K

vf = 0.001008