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An engine receives 3850j of heat and discards 2250j to the atmosphere. a) how much work is dobe by this engine? b) what is its thermal efficiency?

 Feb 13, 2018

The engine does (3850j - 2250j) of work = 1600 j    (or 1600 N-m)

The thermal efficiency is the amount of work produced divided by the heat provided.....


1600j / 3850j x 100% = 41.6 %  

 Feb 13, 2018

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