In the above P-h diagram of a Rankine cycle heat engine. The entropy production in the...

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P-hdiagram for water 500 600 C 5.5 20 MPa 0MPa... 7.5 SMPa 2MPa 1 MPa 0.5MP Entropy 0.2MPa 100kPa 50 kPa 20 kPa 10 kPa 5 kPa 2kPa 00 C 0℃ ::40℃ 60% 70% 80% 90% 50% 0 C 10% 20% 30% 40% 1kPaE- ーー500 1000ーー1500一一20toーー7500- plot by 3500 3000 4000 EnthalpykJ/kg

In the above P-h diagram of a Rankine cycle heat engine. The entropy production in the turbine is most nearly:

a) 50%

b) 0 kJ/Kg-K

c) 1 kJ/Kg-K

d) 100%

e) 7.5 kJ/Kg-K

engineering Mechanical-Engineering

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