Question: 018 10.0 points A steam engine (assume a Carnot engine ) has an efciency of 78.7%. If the waste heat has a temperature of 763C,

018 10.0 points A steam engine (assume a Carnot engine ) has an efciency of 78.7%. If the waste heat has a temperature of 763C, what is the temperature of the boiler? Answer in units of 0C. 019 (part 1 of 2) 10.0 points A Carnot engine has a power output of 82 kW. The engine operates between two reservoirs at 30C and 524C. How much thermal energy is absorbed each hour? Answer in units of J. 020 (part 2 of 2) 10.0 points How much thermal energy is lost per hour? Answer in units of J

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