This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Wind Energy – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Wind Energy Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The power that a wind turbine produces is MOST determined by: A) Air density. B) Swept area. C) Wind velocity. D) Air temperature. E) Wind consistency and reliability. Show Answer Correct Answer: E) Wind consistency and reliability. 2. What is the strongest wind ever recorded on a weather station? A) 260 mph. B) 200 mph. C) 253 mph. D) 220 mph. Show Answer Correct Answer: C) 253 mph. 3. Does Wind energy have low costs? A) Yes! Everything about them is super cheap!. B) No, expensive to install and expensive to run. C) They are expensive to install, but to run them is cheap!!. D) None of above. Show Answer Correct Answer: C) They are expensive to install, but to run them is cheap!!. 4. Why is wind energy sometimes bad A) The wind doesn't always blow. B) Turbines can break, and later explode. C) It's bad for the environment. D) The turbine gives off toxic gasses. Show Answer Correct Answer: A) The wind doesn't always blow. 5. What is a way wind energy is used A) Pumping water for livestock. B) Grinding grain. C) Generating electricity. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Bats too are a serious problem. Even the manufacturers of wind turbines are (8) ..... concerned by the numbers of bats being killed, prompting ongoing research. A) Sadly. B) Deeply. C) Badly. D) Wrongly. Show Answer Correct Answer: B) Deeply. 7. What countries use wind energy? A) About 60. B) About 100. C) Every country. D) Only the US. Show Answer Correct Answer: A) About 60. 8. Which of the following is not an example of the historical use of windmills? A) For exploration into remote regions. B) For irrigation and water-pumping. C) For the creation of electricity. D) For testing the strength of solar winds. Show Answer Correct Answer: D) For testing the strength of solar winds. 9. The branch of dynamics that deals with the motion of air and other gaseous fluids, and the forces acting in motion relative to such fluids. A) Kinematics. B) Mechanics. C) Aerodynamics. D) Statics. Show Answer Correct Answer: C) Aerodynamics. 10. Sunlight is made of bundles of radiant energy called A) Photons. B) Protons. C) Electrons. D) Neutrons. Show Answer Correct Answer: A) Photons. 11. Calculate the area needed for PV panels with an efficiency of 21% to charge a battery that stores 9.0 MJ in 8 hours of daylight. (solar constant 1360 W m$^{-2}$) A) 1488 m$^{2}$. B) 174 m$^{2}$. C) 1.1 m$^{2}$. D) 0.048 m$^{2}$. Show Answer Correct Answer: C) 1.1 m$^{2}$. 12. Our text teaches us about ..... A) Solar energy. B) Wind energy. C) Hydro energy. D) None of above. Show Answer Correct Answer: B) Wind energy. 13. The wind is blowing, but the wind turbine is not moving, reasons for this are: A) The wind is too strong or is too weak for the size of the wind turbine. B) Maintenance on the turbine requires a lockdown. C) Bird migrations are taking place this week. D) All of the above. Show Answer Correct Answer: A) The wind is too strong or is too weak for the size of the wind turbine. 14. What do you think HydroPower Energy Is? A) HydroPower is the use of the sun rays to power a machine. B) Hydropower energy is the use of falling or fast-running water to produce electricity or to Power Machine. C) HydroPower Energy is the same as wind energy. D) All of the above. Show Answer Correct Answer: B) Hydropower energy is the use of falling or fast-running water to produce electricity or to Power Machine. 15. Wind energy is the only form of alternative energy that doesn't require .....? A) Water. B) Sand. C) Electric. D) Metal. Show Answer Correct Answer: A) Water. 16. What instrument measures Wind Speed A) Aerodynamics. B) Anemometer. C) Velocity Meter. D) Wind Vane. Show Answer Correct Answer: B) Anemometer. 17. Wind energy is classified as a ..... of energy since its production does not involve emission of dangerous fumes like fossil fuels. A) Natural resource. B) Nonrenewable source. C) Green source. D) Renewable source. Show Answer Correct Answer: C) Green source. 18. What is the united states wind energy capacity as of 2020? A) 58.73 GW. B) 288.32 GW. C) 27.24 GW. D) 122.32 GW. Show Answer Correct Answer: D) 122.32 GW. 19. The speed of the wind, which is full of ..... energy, is harvested and converted into mechanical energy to be used to turn windmills. A) Chemical. B) Electrical. C) Potential. D) Kinetic. Show Answer Correct Answer: D) Kinetic. 20. There are two disadvantages to horizontal axis wind turbines (HAWT's):they can't operate at lower wind speeds, and: A) The generator and the rotor are located in the same space. B) The HAWT's are exposed to much higher wind speeds than the VAWT's. C) HAWT's are located upwind. D) Transporting the HAWT parts can be difficult because of the sizes. Show Answer Correct Answer: D) Transporting the HAWT parts can be difficult because of the sizes. 21. Why are turbine blades placed at certain distance in front of the tower in horizontal axis wind turbines? A) To prevent energy loss by the drag force. B) To prevent the blades from hitting the ground. C) To prevent the blades from being pushed into the tower. D) To prevent the blades from falling off. Show Answer Correct Answer: C) To prevent the blades from being pushed into the tower. 22. Which state has the MOST wind turbines? A) Texas. B) California. C) Kansas. D) Minnesota. Show Answer Correct Answer: A) Texas. 23. Place the following events in sequence:A) Persians use windmills to grind grain; B) Wind is used to power sailboats; C) Europeans develop windmills A) B, A, C. B) A, C, B. C) C, B, A. D) A, B, C. Show Answer Correct Answer: A) B, A, C. 24. An area of land with a group of energy-producing windmills or wind turbines A) Windmills. B) Wind Farm. C) Wind Turbines. D) Generators. Show Answer Correct Answer: B) Wind Farm. 25. How many wind turbine jobs are projected by 2050 A) 300k. B) 60k. C) 3 million. D) 600k. Show Answer Correct Answer: D) 600k. 26. Modern wind turbines can be of 2 types. What are they? A) Vertical and horizontal. B) Vertical and wood. C) Horizontal and foam. D) None of above. Show Answer Correct Answer: A) Vertical and horizontal. 27. Do the blades spin fast enough to generate enough electricity to power homes without the use of a gear box? A) Yes. B) No. C) Not enough information. D) None of above. Show Answer Correct Answer: B) No. 28. What is the name of the force pulling the plane up? A) Gravity. B) Someone pushing it. C) Force. D) None of above. Show Answer Correct Answer: A) Gravity. 29. The Coriolis effect causes ..... A) The Earth to rotate on its axis. B) Continental deflection. C) Global winds and surface currents to move in a curved path instead of a straight line. D) Global winds and deep ocean currents to move in a curved path instead of a straight line. Show Answer Correct Answer: C) Global winds and surface currents to move in a curved path instead of a straight line. 30. Who was the first American to produce electricity using a wind turbine? A) George Brush. B) Charles Winchester. C) James Blyth. D) Charles F. Brush. Show Answer Correct Answer: D) Charles F. Brush. ← 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 8Wind Energy Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books