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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?

Guest Feb 13, 2018
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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 %  

ElectricPavlov  Feb 13, 2018

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