College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 110

A heat engine's thermal efficiency is 70.0% of the Carnot efficiency of an engine operating between temperatures of 80 °C and 375 °C.(a) What is the Carnot efficiency of the heat engine (b) If the heat engine absorbs heat at a rate of 50 kW, at what rate is heat exhausted