Wind Energy Multiple Choice Questions and Answers

21. Uneven heating occurs on land surface and water bodies are due to

1. Air Currents
2. Solar radiation
3. Lunar eclipse
4. None of the above

22. What causes wind?

1. Rotation of the Earth
2. The Sun heating the atmosphere
3. Variations in the Earths surface
4. All of the above

23. What is the earliest recorded use for windmills?

1. Generating electricity
2. Pumping water
3. Jousting
4. Grinding grain

24. Which nation leads the world in installed wind energy capacity?

1. Netherlands
2. China
3. United States
4. Germany

25. Which of these is NOT a part of a modern wind turbine?

1. Compressor
2. Gearbox
3. Nacelle
4. Yaw drive

26. Which of these is NOT an example of distributed wind generation?

1. A 50-kilowatt turbine at an office building
2. A large, 100-megawatt wind farm
3. A 1.5-megawatt turbine at a university campus
4. A small, 5-kilowatt turbine at a home

27. Which U.S. state gets the highest percentage of its electricity from wind?

1. Kansas
2. Iowa
3. Texas
4. South Dakota

28. Who invented the first electricity-generating wind turbine?

1. French engineer Georges J. M. Darrieus
2. Scottish engineer James Blyth
3. American inventor Benjamin Franklin
4. American inventor Charles F. Brush

29. Wind energy is harnessed as...............energy with the help of windmill or turbine

1. Mechanical
2. Solar
3. Electrical
4. Heat