Engines and Motors
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Questions and Answers

Which of the following is NOT mentioned as a potential energy source for an engine or motor?

  • Chemical energy
  • Nuclear energy
  • Geothermal energy
  • Solar energy (correct)

    • What is the role of mechanical energy in transportation?

  • It is used to generate electricity
  • It is used to convert heat into work
  • It is used in cutting, grinding, and mixing processes
  • It is used to convert potential energy into mechanical energy (correct)

    • Which type of engine is mentioned as the most common example of a mechanical heat engine?

  • Internal combustion engine (correct)
  • Hydroelectric engine
  • Geothermal engine
  • Electric engine

    • What is the intermediate energy form generated by many processes?

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

    What natural process converts environmental heat into motion?

    <p>Atmospheric convection cells</p> Signup and view all the answers

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