Physics, 25.03.2020 05:39, hectorgonzalejr333

The engine that powers a crane burns fuel at a temperature of 1500 oC. It is cooled by air at a temperature of 20 oC. The crane is used to lift a 1000 kg steel girder 30 m into the air. If the engine is 40 % as efficient as a Carnot engine, what is it's thermal efficiency in %?

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The engine that powers a crane burns fuel at a temperature of 1500 oC. It is cooled by air at a temp...