Prime Movers and Energy Conversion Quiz
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Questions and Answers

What is a prime mover?

  • A machine that converts mechanical energy into natural energy
  • A machine that converts a naturally occurring source of energy into mechanical energy (correct)
  • A machine that converts mechanical energy into heat energy
  • A machine that converts potential energy into kinetic energy

    • How is solar energy converted to mechanical energy in the given examples?

  • By combustion process
  • By steam turbines (correct)
  • Using wind turbines
  • Through a water turbine

    • Which machine is considered a prime mover in converting the kinetic energy of wind to mechanical energy?

  • Internal combustion engine
  • Wind turbine (correct)
  • Steam turbine
  • Alternator

    • What type of energy is converted to mechanical energy using internal and external combustion engines?

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

    What is the role of a prime mover in the context of an electric generator?

    <p>It converts naturally occurring energy sources to mechanical energy</p> Signup and view all the answers

    Why are electric motors not considered prime movers?

    <p>They do not convert naturally occurring energy sources to mechanical energy</p> Signup and view all the answers

    Which of the following is classified as secondary movers?

    <p>Steam turbines</p> Signup and view all the answers

    What defines a heat engine?

    <p>It converts heat energy to mechanical energy</p> Signup and view all the answers

    Which of the following is an example of a complex system acting as a heat engine?

    <p>Steam turbine</p> Signup and view all the answers

    In a Rankine Cycle engine, what initiates the thermodynamic process in the working fluid?

    <p>Heat combined with the internal design of the engine</p> Signup and view all the answers

    What is the primary function of an internal combustion engine like a diesel engine or gas engine?

    <p>To convert heat produced from burning fuel to mechanical work</p> Signup and view all the answers

    Why are steam plants operating on the Rankine Cycle very common?

    <p>They can use a wide variety of heat sources including hydrocarbon fuels, waste process heat, solar and nuclear energy</p> Signup and view all the answers

    Which energy sources are used by internal combustion engines?

    <p>Gaseous, liquid, and solid hydrocarbon-based fuels</p> Signup and view all the answers

    Which component is NOT considered a heat engine in a Rankine Cycle system?

    <p>Steam turbine</p> Signup and view all the answers

    What distinguishes prime movers from heat engines?

    <p>Heat engines convert naturally occurring energy sources to mechanical work while prime movers do not.</p> Signup and view all the answers

    Why are some steam plants used in power production?

    <p>They can use various heat sources including hydrocarbon fuels, waste process heat, solar and nuclear energy.</p> Signup and view all the answers

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