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A steam power plant receives heat from a furnace at a rate of 280GJ/h. Heat losses to the surrounding air from the steam as it

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A steam power plant receives heat from a furnace at a rate of 280GJ/h. Heat losses to the surrounding air from the steam as it passes through the pipes and other components are estimated to be about 8GJ/h. If the waste heat is transferred to the cooling water at a rate of 145 GJ/h, determine: (a) net power output (b) the thermal efficiency of this power plant

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