Test your basic knowledge |

Renewable Energy

Subject : science
Instructions:
  • Answer 45 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Known deposits which can be extracted from profitably using modern technology under certain economic conditions






2. Bacteria breaks biomass down without oxygen with product mixed gas. LFG's






3. Shifting of ground as a result of drilling/mining under it






4. Pockets of hot water or steam underground






5. What country leads the world in wind energy generating?






6. Produces electricity and heat






7. Air is heated from ground - warm air flows upward - cold air replaces it






8. Air cools more quickly over land than water






9. Natural gas that is super cooled to gas phase so it can be transported easier/safer






10. Energy that can be obtained from movement of water due to gravitational pull of sun - moon - and Earth's rotation.






11. Barrage dam






12. Lowest rank of coal






13. Air heated more from ground near equator






14. Energy resource that can replenish itself






15. Compact biomass with high temperatures - increading the VED






16. Environmental Impact - High startup cost - Low efficiency in some cases






17. Secondary Pollution (Toxic materials and alcohols - Blocking the sun for some animals - No direct pollution though!) - Bird death ray - Startup cost






18. Where the most Geothermal Energy is produced in all of the United States






19. Heat is recovered as steam or hot water to: 1. Create electricity 2. Heat buildings






20. Radiant energy from the sun heats Earth and atmosphere






21. Time - heat - pressure






22. Heat and Electricity






23. Solid to liquid biomass with chemistry and heat






24. Just burning biomass






25. Burning 'rubbish.'






26. Burning to get heat and electricity






27. Finite supply being used faster than they can be replenished






28. Least expensive alternate energy - Sustainable - Renewable - No carbon emission - Once tower is up - almost no cost to maintain






29. Same as pyrolysis BUT - more heat and less gas






30. The difference between low and high tide. the height difference.






31. Pumping water into an oil well to increase pressure and improve recovery






32. Replenish themselves or are continuously present






33. Mechanical energy (wind) to electricity






34. Volumetric energy density---- increased by pelletisation






35. It's reliable and consistent - It gives off very little pollution - Lessen the burden of fossil fuels and nuclear energy!






36. Photovoltaic (PV) devices or Solar Energy Plant






37. Most used renewable resource in the United States






38. Bacteria ferment BM with sugars






39. Acidic precursors from coal mines get into surrounding water sources due to rain flushing them out






40. Most used energy source in the united states






41. Naturally occurring substance that can potentially be extracted using modern technology






42. Release less than 1% of CO2 - Hydrogen Sulfide pollution - 97% less acid rain pollutants - Sources of geothermal are often National Treasures






43. Burning wood






44. High start-up cost - Unreliable - Energy companies see it as a supplemental power - Strong winds usually not near population - Energy grids are not set up for wind






45. Hardness - volatility

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