Geothermal Energy Applications Quiz chapter 10
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Questions and Answers

Which type of sustainable energy source uses the energy of the sun to generate thermal or electrical energy?

  • Geothermal energy
  • Wind energy
  • Biomass energy
  • Solar energy (correct)

    • What is the main reason why wind turbines are not always the most interesting option for land use?

  • They are hazardous to communities
  • High initial investment is required (correct)
  • They contribute to air pollution
  • They are cheaper than traditional energy sources

    • What is a potential issue with the production of solar panels?

  • They are not efficient in converting light to electricity
  • They are expensive to produce
  • They contribute to air pollution
  • It is difficult to recycle them (correct)

    • What is one of the significant challenges facing sustainable energy sources like solar and wind power?

    <p>Their availability is dependent on natural factors</p> Signup and view all the answers

    What is a common feature of wind turbines and geothermal energy in terms of environmental impact?

    <p>They disturb landscapes and communities</p> Signup and view all the answers

    What makes countries with a large reserve of fossil fuels less likely to invest in renewable energy?

    <p>Significant investments already made in traditional energy sources</p> Signup and view all the answers

    What technique involves using mirrors to concentrate the power of the sun to heat large amounts of water in order to produce steam for powering a steam engine?

    <p>Concentrating solar power</p> Signup and view all the answers

    What is the main challenge facing the widespread use of solar power?

    <p>Dependence on natural factors like wind speed and direction</p> Signup and view all the answers

    What has hindered the recycling of solar panels?

    <p>The complexity and cost involved in recycling solar panels</p> Signup and view all the answers

    What is the main difference between sustainable energy management and renewable energy management?

    <p>Sustainable energy management focuses on long-term environmental impact, while renewable energy management focuses on short-term impact.</p> Signup and view all the answers

    What negative impact does extraction and use of fossil fuels have on society?

    <p>Increased CO2 emissions</p> Signup and view all the answers

    Why does burning fossil fuels lead to huge CO2 emissions?

    <p>Because they are formed from organic matter and release carbon when burned</p> Signup and view all the answers

    What is a characteristic of renewable energy sources like sun, water, and wind?

    <p>They decrease or have no pollution during the energy-creating process</p> Signup and view all the answers

    What differentiates renewable energy sources from fossil fuels?

    <p>Fossil fuels replenish in the short term</p> Signup and view all the answers

    Why are most renewable energy sources available everywhere?

    <p>Because differences exist due to geographical reasons</p> Signup and view all the answers

    What is a common characteristic of fossil fuels such as coal, gas, and oil?

    <p>Non-renewable nature</p> Signup and view all the answers

    What is one of the negative impacts of coal mining and oil/gas extraction?

    <p>Increased CO2 emissions</p> Signup and view all the answers

    What is a characteristic of fossil fuels that leads to political tension?

    <p>They are often found only in specific parts of the world</p> Signup and view all the answers

    What contributes to decreased or even no pollution from the energy-creating process of renewable energy sources?

    <p>Decreased or no pollution during the energy-creating process</p> Signup and view all the answers

    What do renewable energy certificates allow companies to do?

    <p>Transform the energy they buy into green energy</p> Signup and view all the answers

    What is the purpose of carbon offsets schemes?

    <p>To compensate for carbon emissions</p> Signup and view all the answers

    What is one of the key factors to consider when making decisions for investments in sustainable energy?

    <p>The geographical location of the company</p> Signup and view all the answers

    What is a recommended step to integrate energy into a company's vision and operations?

    <p>Integrate energy into the company's vision and operations</p> Signup and view all the answers

    What is the purpose of waste-to-energy plants like Amager Bakke in Copenhagen?

    <p>To reduce the amount of waste and need for landfill</p> Signup and view all the answers

    What is the main function of district energy systems?

    <p>To produce district heating for residential areas</p> Signup and view all the answers

    What is one challenge faced by the waste-to-energy plant in Copenhagen?

    <p>Importing waste from other countries</p> Signup and view all the answers

    Why does Copenhagen want to achieve its targets using wind and biomass as renewable energy sources?

    <p>Because wind and biomass have lower environmental impact than other sources</p> Signup and view all the answers

    Why is it important for companies to track their energy usage?

    <p>To identify opportunities for energy efficiency improvements</p> Signup and view all the answers

    How do power purchase agreements (PPAs) benefit companies?

    <p>By offering long-term contracts with electricity generators</p> Signup and view all the answers

    What percentage of global energy production is believed to be retrievable from geothermal energy?

    <p>8%</p> Signup and view all the answers

    Why is the initial investment for geothermal energy considered high?

    <p>The process of retrieving geothermal energy releases gases and fluids that might contain low levels of toxins</p> Signup and view all the answers

    What is the primary disadvantage of using hydropower as a sustainable energy source?

    <p>Creates floods or droughts by changing the natural flow of water</p> Signup and view all the answers

    Why is cutting trees not considered sustainable when using biomass for fuel?

    <p>It takes a long time for trees to grow and sequester CO2</p> Signup and view all the answers

    What is the main goal of the European Energy Union?

    <p>To create an integrated energy market</p> Signup and view all the answers

    What does a green energy tariff mean for consumers?

    <p>The energy supplier promises to supply (part of) the energy with green energy from renewable sources</p> Signup and view all the answers

    What do renewable energy certificates represent?

    <p>The social and environmental value generated by renewable power sources</p> Signup and view all the answers

    What does the European Commission propose as part of the European Green Deal?

    <p>To raise the target for greenhouse gas emissions reduction to 55% from 1990 levels</p> Signup and view all the answers

    Why have businesses been driven to look into renewable and sustainable energy in the past decade?

    <p>Due to issues concerning their energy management</p> Signup and view all the answers

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