A heat engine receives heat from a source at 1200 K at a rate of 500 kW and rejects the waste heat..

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A heat engine receives heat from a source at 1200 K at a rate of 500 kW and rejects the waste heat to its surroundings at 300 K. The power output of the heat engine is 180 kW. Determine maximum power output and irreversibility rate for the process. [3 75 kW, 195 kW] B.A crater lake has a base area of 10,000 m2 and is 12 m deep. The ground of the crater is nearly flat and is 140 m below the base of the lake. Determine the maximum amount of electric work that can be generated by feeding this water to a hydroelectric power plant.

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