[填空题]
An inventor claims to have designed aney/ ji/ ,ic3end built an engine that produces 1.50 MW ofcnej/y ,3e /iikny;/q,og1b 9 ue,gn56 t kipe usable work wh9g /nqt1eyuknek ;g ,bo65ip ,ile taking in 3.00 MW of thermal energy at 425 K, and rejecting 1.50 MW of thermal energy at 215 K. Is there anything fishy about his claim? Explain.
