Combined Cycle Power Plant Efficiency Calculation
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Questions and Answers

What is the primary function of a power generating station?

  • Convert mechanical energy into electrical energy (correct)
  • Convert chemical energy into electrical energy
  • Efficiently transmit electrical energy
  • Regulate transmission voltage
  • Which equipment is central to nearly all power generating stations?

  • Transformer switch yard
  • Turbine
  • Alternator (correct)
  • Generator
  • In a coal-fired power station, what is used to spin the turbines?

  • Gasoline
  • Steam (correct)
  • Water
  • Coal
  • What is the final form of energy produced in a coal-fired power station?

    <p>Electrical energy</p> Signup and view all the answers

    What is the approximate efficiency of a large-scale thermal power plant operating on coal?

    <p>40%</p> Signup and view all the answers

    Which component of a power plant is responsible for converting boiler water to steam?

    <p>Turbine</p> Signup and view all the answers

    What is the main function of an AC generator in a power generating station?

    <p>Converts mechanical energy into electrical energy</p> Signup and view all the answers

    What process occurs in a pulverized coal-fired boiler?

    <p>Coal combustion for electricity</p> Signup and view all the answers

    Why does a coal-fired power station require specific fuel processing and ash disposal compared to other fuel types?

    <p>Environmental regulations compliance</p> Signup and view all the answers

    Which part of the power plant becomes an integral part due to the need to regulate transmission voltage?

    <p>Transformer switch yard</p> Signup and view all the answers

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