Learn English 100% free...Get 1 free lesson per week // Add a new lesson
Log in!

Click here to log in
New account
Millions of accounts created on our sites.
JOIN our free club and learn English now!

  • Home
  • Print
  • Guestbook
  • Report a bug

  • Get a free English lesson every week!
    Click here!

    - Our other sites

    Learn English > English lessons & exercises > Renewable energies > Stats updated every 4 hours
    To go back to the exercise

    Exercise "Renewable energies", created by baboune16 (a free exercise to learn English):
    Results of the 999 people who have taken this test:
    Average mark: 61.5 / 100 Share

    Latest member with a 100/100 (perfect mark): bleuclair64 / FRANCE, on Friday 17 July - 06:43:
    "Thank you"

    They got a perfect mark

    Stats (999 candidates)
    Question 1 passed: 69.1 %
    * is the use of air flow through wind turbines to provide mechanical power to turn electric generators.

    Question 2 passed: 47.3 %
    The electricity producers using * connect their installations to the network in order to sell what they produce.

    Question 3 passed: 67.2 %
    In addition to construction for the purpose of producing hydroelectric power,* are created to control river flow.

    Question 4 passed: 62.4 %
    Electricity generated by domestic *is mostly used for powering household appliances and equipement.

    Question 5 passed: 53.7 %
    In 1966, France opened the Rance *. It was the first one in the world.

    Question 6 passed: 53.2 %
    The * principle is being used to make inexpensive solar cookers and for solar water pasteurisation.

    Question 7 passed: 67.8 %
    Underground reservoirs of steam and hot water can be tapped to generate eletricity or to heat buildings with this *.

    Question 8 passed: 60 %
    A* is based on the conversion of sunlight into electricity using PV or CSP (concentrated solar power).

    Question 9 passed: 64 %
    Ocean waves contain very tremendous energy. * devices extract energy from the surface motion of waves.

    Question 10 passed: 56.7 %
    On combustion, the carbon from * is released into the atmosphere as carbon dioxide.

    Click here to go back to the exercise: Renewable energies

    Other exercises to learn English