An engine is proposed that runs reversibly between

600K

and

300K

. The cycle claims to draw

12kJ

of heat from the hot end, exhaust

3kJ

of heat at the lower temperature, and do

9kJ

of net work. Is such an engine possible?

An engine is proposed that runs reversibly between 600K and 300K. The cycle claims to draw 12kJ of heat from the hot end, exhaust 3kJ of heat at the lower temperature, and do 9kJ of net work. Is such an engine possible