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A Carnot engine is operated between two heat reservoirs at temperatures of 520 K and 300 K. It receives heat from the 520 K reservoir and discards heat to the 300 K reservoir in each cycle. What is the
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A Carnot engine is operated between two heat reservoirs at temperatures of 520 K and 300 K. It receives heat from the 520 K reservoir and discards heat to the 300 K reservoir in each cycle. What is the thermal efficiency of the engine?

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Hook's law holds good up to. A elastic limit. B. plastic limit. C.yield point. D.Breaking point

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