A carnot engine operates with source at 127°C and sink at 27°C. If the source supplies 40 KJ of heat energy, the work done by the engine is
A. 1 KJ
B. 4 KJ
C. 10 KJ
D. 30 KJ
Answer:C
A carnot engine operates with source at 127°C and sink at 27°C. If the source supplies 40 KJ of heat energy, the work done by the engine is
A. 1 KJ B. 4 KJ C. 10 KJ D. 30 KJ