A carnot engine absorbs heat at 127°C and rejects heat at 87°C. The efficiency of engine is
A. 10%
B. 30%
C. 50%
D. 70%
Answer:A
A carnot engine absorbs heat at 127°C and rejects heat at 87°C. The efficiency of engine is
A. 10% B. 30% C. 50% D. 70%