Other questions in this quiz

2. What is meant by the payback time for different methods of home insulation?

  • Payback time shows us the time the installment takes
  • The payback time tells us how long it takes to save enough money to pay for the cost of installation.
  • Payback time shows us how much energy we save
  • Payback time shows us the amount we pay for installments

3. Which one of the following words is used to describe the image formed by a plane mirror?

  • Invisible
  • Imaginary
  • Virtual
  • Real

4. Why don't birds get electrocuted when they stand on pylon wires?

  • They do get electrocuted
  • None of the above
  • Birds do not conduct electricity
  • As they are not connected to any grounded point, the electricity will not flow through the bird and will continue through the cables

5. Which one of the following is not a renewable energy source?

  • Solar
  • Geothermal
  • Oil
  • Wind


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