This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Hydro Energy – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Hydro Energy Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What percent of the U.S dams produce power? A) 3%. B) 10%. C) 21%. D) 7%. Show Answer Correct Answer: A) 3%. 2. Of all the renewable energy sources, which is used in the greatest amount? A) Geothermal. B) Hydropower. C) Biomass. D) Wind. Show Answer Correct Answer: B) Hydropower. 3. What percent of electricity does hydro-power produce? A) 27%. B) 7%. C) 10%. D) 5%. Show Answer Correct Answer: B) 7%. 4. What type of power plant uses the potential energy of water trapped behind a dam? A) Coal burning power plant. B) Solar station. C) Hydroelectric power plant. D) Nuclear power plant. Show Answer Correct Answer: C) Hydroelectric power plant. 5. Which of the following is not an advantage of hydroelectric power plant? A) No fuel requirement. B) Low running cost. C) Continuous power source. D) No standby losses. Show Answer Correct Answer: C) Continuous power source. 6. Energy from the uneven heating of the Earth is called- A) Solar. B) Biomass. C) Wind. D) Geothermal. Show Answer Correct Answer: C) Wind. 7. What is the country that consumes most energy? A) America. B) Spain. C) Norway. D) Santa monica. Show Answer Correct Answer: A) America. 8. In a hydropower plant, water flows through a pipe called a ..... A) Generator. B) PVC. C) Penstock. D) Turbine. Show Answer Correct Answer: C) Penstock. 9. Which one is the country that more hydroelectric energy produces? A) Japan. B) Rusia. C) Spain. D) China. Show Answer Correct Answer: D) China. 10. What is the percentage of electricity made in Washington State is made out of hydroelectric? A) Under 70%. B) Over 70%. C) None. D) All of it. Show Answer Correct Answer: B) Over 70%. 11. Where is the largest hydroelectric power plant? A) Africa. B) China. C) Texas. D) Davenport. Show Answer Correct Answer: B) China. 12. Where is the Grand Coulee Dam located? (Specifically) A) Columbia river in Northern Washington State. B) Nevada. C) Washington State. D) None of above. Show Answer Correct Answer: A) Columbia river in Northern Washington State. 13. Used to increase the height of water level. A) Spillway. B) Dam. C) Penstock. D) Water reservoir. Show Answer Correct Answer: B) Dam. 14. Thermal energy is transferred between substances only when they have different A) Masses. B) Volumes. C) Temperatures. D) Two of the above. Show Answer Correct Answer: C) Temperatures. 15. What kind of energy is used to generate energy? A) Nuclear energy. B) Nolar energy. C) Geothermal energy. D) Hydraulic energy. Show Answer Correct Answer: D) Hydraulic energy. 16. What type of energy is being produced when a dam is placed across a river and water is released to turn a turbine that produces electricity? A) Wind. B) Solar. C) Geothermal. D) Hydroelectric. Show Answer Correct Answer: D) Hydroelectric. 17. Why is run of the river more beneficial than dams? A) It has less of an environmental impact. B) It is more efficient. C) It generates more power per square foot. D) It controls flooding better. Show Answer Correct Answer: A) It has less of an environmental impact. 18. How much water fits in a dam? A) 1.000.000.000 liters. B) 11.181.000.000 liters. C) 5.009.789.000 liters. D) 13.234.100.000 liters. Show Answer Correct Answer: B) 11.181.000.000 liters. 19. What is the correct order that water flows through or turns when it is released? A) Generator, turbine, penstock, dam. B) Generator, dam, turbine, penstock. C) Penstock, turbine, dam, generator. D) Dam, penstock, turbine, generator. Show Answer Correct Answer: D) Dam, penstock, turbine, generator. 20. In a hydropower plant, what turns to generate electricity? A) Turbine. B) Generator. C) Penstock. D) None of above. Show Answer Correct Answer: B) Generator. 21. The advantage of hydroelectric power station. A) It has the lowest running cost. B) Simple in design and construction. C) Very small running operation cost. D) None of above. Show Answer Correct Answer: C) Very small running operation cost. 22. A barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply is a: A) Reservoir. B) Dam. C) Generator. D) Turbine. Show Answer Correct Answer: B) Dam. 23. Today, what percent of power is created by hydroelectric energy? A) 40%. B) 20%. C) 30%. D) 10%. Show Answer Correct Answer: D) 10%. 24. What is it called when you generate electricity with a dam and water? A) Hydroelectric energy. B) Geothermal Energy. C) Radiation energy. D) Water Power. Show Answer Correct Answer: A) Hydroelectric energy. 25. Hydropower creates ..... energy A) Electric. B) Kinetic. C) Solar. D) Geothermal. Show Answer Correct Answer: A) Electric. 26. To generate electricity, a dam opens its gates to allow water from the reservoir to flow through large tubes called A) Penstocks. B) Spillway gates. C) Pump station. D) None of above. Show Answer Correct Answer: A) Penstocks. 27. What does a hydroelectric power plant use? A) A dam on a river to restore water in a reservoir. B) Water currents. C) Water. D) None of above. Show Answer Correct Answer: A) A dam on a river to restore water in a reservoir. 28. An electric current flowing in one direction only is: A) Alternate Current. B) Direct Current. C) Reverse Current. D) Indirect Current. Show Answer Correct Answer: B) Direct Current. 29. What is the energy source we have? A) Hydro electricity. B) Wind power. C) Solar energy. D) Biomass. Show Answer Correct Answer: A) Hydro electricity. 30. Which is the most biggest dam in spain? A) Aldea madrid. B) Yonesastao. C) Aldea avila. D) Villarino. Show Answer Correct Answer: C) Aldea avila. 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