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






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






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






4. Replenish themselves or are continuously present






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






6. Energy resource that can replenish itself






7. Hardness - volatility

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






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






10. Photovoltaic (PV) devices or Solar Energy Plant






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






12. Lowest rank of coal






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






14. Just burning biomass






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






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






17. Air cools more quickly over land than water






18. Solid to liquid biomass with chemistry and heat






19. Air heated more from ground near equator






20. Heat and Electricity






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






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






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






24. Burning to get heat and electricity






25. Time - heat - pressure






26. Burning wood






27. Bacteria ferment BM with sugars






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






29. Barrage dam






30. Most used energy source in the united states






31. Radiant energy from the sun heats Earth and atmosphere






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






33. Produces electricity and heat






34. Pockets of hot water or steam underground






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






36. 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






37. Most used renewable resource in the United States






38. Mechanical energy (wind) to electricity






39. Known deposits which can be extracted from profitably using modern technology under certain economic conditions






40. Burning 'rubbish.'






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






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






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






44. Compact biomass with high temperatures - increading the VED






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