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A)When the energy input to gas fired power station is 1000MJ,the electrical energy output is 300MJ.What is the efficiency of the power station in changing the energy in gas into electrical energy b)what form does the 700MJ of lost energy take c)what is the fate of the lost energy

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3 answers

  1. a. Eff. = Po/Pin = 300 / 1000 = 0.30.

    b. The form of heat.

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  2. the ans of part (c) is:
    the fate of the lost energy is that it will make the surroundings warm

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  3. Efficiency= Energy out/energy in ×100

    300/1000×100=30

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