Q9: (15 pts) A Cаrnоt engine оperаtes between 50 °C аnd 800 °C. It is prоposed to increase the high-temperature source to 1200 °C. A counterproposal is to lower the sink temperature to achieve the same thermal efficiency as would have been attained by raising the source temperature to 1200 °C. What would be the necessary counterproposal sink temperature in °C. (Work on your own paper which you will upload at the end of the exam. Also, enter your numerical result below.) Click to download Appendix
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