ESET 222: Wind Power Fundamentals
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Questions and Answers

What is the main cause of winds according to the text?

  • Irregularities of the earth's surface
  • Flow patterns modified by the earth's terrain
  • Uneven heating of the atmosphere by the sun (correct)
  • Rotation of the earth

    • In what way are wind turbines useful?

  • Converting kinetic energy from the wind into electrical power (correct)
  • Modifying wind flow through the earth's terrain
  • Harvesting heat energy from the sun
  • Generating motion energy from wind flow patterns

    • What does the text suggest about wind energy?

  • It is limited to a few countries due to specific terrain requirements
  • It is dependent on the water bodies for its generation
  • It is not a significant source of new electricity
  • It is one of the fastest growing major sources of new electricity worldwide (correct)

    • How is a wind charger different from a wind turbine?

    <p>A wind charger generates electricity directly, while a wind turbine charges batteries</p> Signup and view all the answers

    What is stated about the relationship between sun and wind in the text?

    <p>As long as the sun shines, there will be wind</p> Signup and view all the answers

    How many wind turbines are currently operational around the world according to the text?

    <p>Exactly 486,790</p> Signup and view all the answers

    What drives the huge convection currents in the Earth's atmosphere that cause wind?

    <p>Differences in atmospheric pressure</p> Signup and view all the answers

    Why is wind considered a good renewable and clean source of energy?

    <p>It is produced without emitting greenhouse gases</p> Signup and view all the answers

    What replaces the air over the land during the day?

    <p>Cooler air from the water</p> Signup and view all the answers

    How does wind energy help reduce dependence on fossil fuels?

    <p>By being a clean and renewable source of energy</p> Signup and view all the answers

    What is one major concern associated with wind power?

    <p>Intermittency and variability of the wind</p> Signup and view all the answers

    What causes high pressure cold air to quickly rush and fill the space in a tropical depression?

    <p>Warm air over hot tropical waters rise</p> Signup and view all the answers

    What factor may cause winds to be even stronger in certain areas?

    <p>Differences in atmospheric pressure</p> Signup and view all the answers

    Why does wind power have intermittency and variability?

    <p>Because it relies on natural wind patterns</p> Signup and view all the answers

    What is the cost of installing a 10 kW wind turbine?

    <p>$48,000 - $65,000</p> Signup and view all the answers

    What drives huge convection currents in Earth's atmosphere causing wind?

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

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