Nuclear Energy Overview
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Questions and Answers

What process releases energy when atoms split into parts?

  • Nuclear fission (correct)
  • Chemical reaction
  • Atomic fusion
  • Ionization
  • Which type of energy is currently the basis for nuclear power?

  • Atomic fission (correct)
  • Renewable energy
  • Atomic fusion
  • Chemical energy
  • How do both nuclear power stations and fossil fuel stations produce energy?

  • By harnessing wind energy
  • By burning coal directly
  • By absorbing sunlight
  • By using energy to make steam and turn turbines (correct)
  • Which country has 6 nuclear power plants, including Chashma and Karachi power stations?

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

    When was the Karachi Power Station commissioned?

    <p>1971</p> Signup and view all the answers

    What is the primary source of heat for generating thermal electricity from geothermal resources?

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

    In geothermal energy production, what type of area is most suitable for trapping hot waters underground?

    <p>Areas with high water consumption</p> Signup and view all the answers

    Which method of geothermal energy extraction involves pressurized steam bubbling up from underground?

    <p>Hydrothermal reservoirs</p> Signup and view all the answers

    What creates pockets of high-pressure steam ready for collection in regions with extensive steam reserves due to volcanic activity?

    <p>Cooling lava flows</p> Signup and view all the answers

    Which technology is used to convert thermal energy into electrical energy in thermal power plants?

    <p>Hydroelectric generators</p> Signup and view all the answers

    What distinguishes geothermal energy from thermal electricity derived from burning fossil fuels?

    <p>Geothermal energy relies on heat sources within the Earth, while fossil fuels rely on human activities</p> Signup and view all the answers

    What type of geological processes generate pure steam in places like Alaska's Valley of Ten Thousand Smokes?

    <p>Volcanic activity</p> Signup and view all the answers

    What drives the generators to produce electricity from geothermal sources?

    <p>Turbines powered by steam or hot fluids</p> Signup and view all the answers

    In thermal power plants, what is the purpose of the stationary blades attached to rotators?

    <p>Move heated air across</p> Signup and view all the answers

    What is the main reason coal fires burn hotter compared to wood or biomass fuel in generating thermal electricity?

    <p>Higher carbon atom content</p> Signup and view all the answers

    How does reducing atmospheric pressure contribute to the generation of electricity in thermal power plants?

    <p>Depresses the boiling point of water, allowing rapid steam generation</p> Signup and view all the answers

    What is the mechanical work done by the expansion of steam in thermal power plants?

    <p>Spinning turbine blades</p> Signup and view all the answers

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