Recent content by yoyo12121

  1. Y

    I calculating the heat exhausted from an engine.

    Homework Statement A 112 hp car engine operates at 11% efficiency. Assume the engine's water temperature of 85°C is its cold-temperature (exhaust) reservoir and 445°C is its thermal "intake" temperature (the temperature of the exploding gas-air mixture). (a) What is the ratio of its efficiency...