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A heat engine receives heat from a source at 1000 K at the rate of 500 kJ/s, and rejec waste heat to a sink at

A heat engine receives heat from a source at 1000 K at the rate of 500 kJ/s, and rejec waste heat to a sink at 350 K. The surrounding environment is at 300 K. If the measured power output of the heat engine is 200 kW, determine (a) the availability, (b) the rate of irreversibility, and (c) the second-law efficiency of the heat engine

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