This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Wind Energy – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Wind Energy Quiz 9 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is not a nonrenewable resource A) Oil. B) Wind. C) Gas. D) Coal. Show Answer Correct Answer: B) Wind. 2. A rotor installed in a fixed orientation with the swept area perpendicular to the predominate wind direction is called A) Nacelle. B) Yaw fixed machines. C) Turbines. D) Blades. Show Answer Correct Answer: B) Yaw fixed machines. 3. What is the windiest place on Earth? A) Rio Gallegos, Argentina. B) Tristan, Paulette. C) Commonwealth Bay, Antarctica. D) Greenland, Denmark. Show Answer Correct Answer: C) Commonwealth Bay, Antarctica. 4. How much does it cost to keep a wind turbine running 24/7 for a month? A) $ 2, 000, 000-2, 500, 000. B) $ 42, 000-45, 000. C) $ 780-2, 600. D) Its free. Show Answer Correct Answer: B) $ 42, 000-45, 000. 5. One advantage of tidal power is- A) It can be used anywhere. B) Tides are predictable. C) Tidal power does NOT need a back up source. D) It is available ALL day. Show Answer Correct Answer: B) Tides are predictable. 6. Winds are caused by differences in A) Precipitation. B) Turbulence. C) Humidity. D) Air pressure. Show Answer Correct Answer: D) Air pressure. 7. Place the following events in sequence:A) Persians use windmills to grind grain; B) Egyptians used wind to power sailboats; C) Europeans develop windmills A) A, C, B. B) B, A, C. C) C, B, A. D) None of above. Show Answer Correct Answer: B) B, A, C. 8. What are a group of wind turbines called? A) Wind Farms. B) A Fence. C) The Sky. D) Power Plant. Show Answer Correct Answer: A) Wind Farms. 9. What does an inverter do in a solar panel? A) Converts DC to AC. B) Converts light to electricity. C) Converts electricity to light. D) Converts AC to DC. Show Answer Correct Answer: A) Converts DC to AC. 10. Wind mills and wind turbines have different size blades because: A) Different wind speeds transfer amounts of kinetic energy dependent on blade speed. B) Different purposes require different designs. C) Different materials were available to build the windmill or wind turbine. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. Which offers less friction as air moves across the earth's surface? A) Forests. B) Structures. C) Oceans. D) Buildings. Show Answer Correct Answer: C) Oceans. 12. Why are people building taller wind turbines? A) Sources of renewable energy are becoming more popular. B) Wind speeds increase with height. Taller towers create more energy. C) The average wind turbine is 70 meters tall, double the size of an average water tower. D) None of above. Show Answer Correct Answer: B) Wind speeds increase with height. Taller towers create more energy. 13. Where would the Wind Farms be? A) On land or in the sea. B) Everywhere with NO air. C) On land. D) Only on the sea. Show Answer Correct Answer: A) On land or in the sea. 14. Usual blade diameter of wind turbine is A) 70 m. B) 100 m. C) 150 m. D) 25 m. Show Answer Correct Answer: D) 25 m. 15. In the year ....., oil prices sky rocketed and people became interested in wind energy as a source of producing electricity once again. A) 1970. B) 1870. C) 1990. D) 1940. Show Answer Correct Answer: A) 1970. 16. True or False:Wind energy is a renewable source of energy A) True. B) False. C) It is partially both renewable and nonrenewable. D) None of above. Show Answer Correct Answer: A) True. 17. Which of the following is an example of wind energy A) Cars. B) Generating Electricity. C) Dams. D) Playing football. Show Answer Correct Answer: B) Generating Electricity. 18. All of the following are uses of wind energy except: A) Electricity. B) Surfing. C) Transportation. D) Swimming. Show Answer Correct Answer: D) Swimming. 19. Which is NOT a way tidal power affects the environment? A) Changes the water level. B) Fish could get hurt by turbines. C) Air pollution. D) Stirs up sediment that affects water quality. Show Answer Correct Answer: C) Air pollution. 20. What is iowa's wind energy production percentage A) 70. B) 29. C) 68. D) 42. Show Answer Correct Answer: D) 42. 21. One of the biggest (7) ..... about wind turbines, is their effect on bats and birds. In Norway, nine out of ten sea eagles were killed by turbines. A) Prospects. B) Concerns. C) Benefits. D) Advanteges. Show Answer Correct Answer: B) Concerns. 22. What's Good about Wind Power? A) Produces no greenlight gases. B) The land below the turbine can be used for farming still. C) There will always be wind, while can be unpredictable there will always be wind. D) Birds get killed by turbines. E) A, B, C. Show Answer Correct Answer: E) A, B, C. 23. By definition, renewable energy is energy generated from ..... resources and is naturally ..... A) Nonrenewable, restored. B) Natural, kept. C) Earth's, replenished. D) Natural, replenished. Show Answer Correct Answer: D) Natural, replenished. 24. Betz's Law states that no windmill can capture more than ..... of the kinetic energy in wind to convert into electricity. A) 53.9%. B) 59.3%. C) 39.5%. D) 35.9%. Show Answer Correct Answer: B) 59.3%. 25. Who discovered the windmill? A) Albert Einstein. B) John F Kennedy. C) Mrs. Syverson. D) Daniel Halladay. Show Answer Correct Answer: D) Daniel Halladay. 26. Pro of wind power A) Harmful to animals. B) Cost effective. C) Harmful to humans. D) Hard to maintain. Show Answer Correct Answer: B) Cost effective. 27. What year was the first modern turbine built? A) 1940s. B) 1920s. C) 1990s. D) 1970s. Show Answer Correct Answer: A) 1940s. 28. Wind turbines are mostly installed in ..... areas, the nearby town get electricity, and economic activities spring up including small and large businesses. A) Urban. B) Developed. C) Rural. D) Cultural. Show Answer Correct Answer: C) Rural. 29. What are the parts which make up the nacelle parts? A) The tower. B) The Nacelle. C) The rotor blades. D) All of the above. Show Answer Correct Answer: D) All of the above. 30. Compared to the amount of energy generated by fossil fuels, the amount of energy generated by wind in the United States is: A) Meager/Little. B) Equivalent. C) Substantial/Enough. D) Gigantic. Show Answer Correct Answer: A) Meager/Little. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesWind Energy Quiz 1Wind Energy Quiz 2Wind Energy Quiz 3Wind Energy Quiz 4Wind Energy Quiz 5Wind Energy Quiz 6Wind Energy Quiz 7Wind Energy Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books