The actual work done by a heat engine in one hour is 2.7×106 Joules, while the frictional losses in the engine are 6×105 Joules. The engine operates between temperature of 500 K and 1000 K. What is the overall efficiency of the engine?
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Explanation:
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It absorbs 6×104cal of heat at higher temperature. Amount of heat converted into work, is. A. 1.
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