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CSET Earth Resources Fossil Fuels

Subjects : cset, science
Instructions:
  • Answer 50 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. Remaining oil is made more fluid so as to bring it up more easily. Brings up another 5-15% of the supply - but is much more costly.






2. For heating - cooking - and making plastics






3. Natural gas that flows to the surface from an underground reservoir when a well is dug.






4. Formed by changes in rock type or sedimentary features that create a space where hydrocarbons are confined by impermeable layers






5. The process of drilling for oil and pumping it out. Accounts for 5-15% of the supply.






6. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






7. Traps formed by folding or faulting of rock layers






8. Generate electricity - produce steel - plastics - synthetic fibers - fertilizers - and medicines






9. Natural gas that exists in other forms - making it more difficult to extract.






10. Under layers of sedimentary rock like limestone and shale - and over sandstone.






11. Structural traps and stratigraphic traps






12. Natural gas that has been compressed and stored at very high pressure in strong containers.






13. Consist of clay - sand - water and bitumen - a type of oil.






14. Soot - sulfur oxides - nitrogen oxides - mercury






15. Intermediate between hard coal and peat






16. The ratio of the energy return to the energy invested.






17. A layer of cap rock that confines the oil and gas - must be impermeable.






18. The layer of sediment where oil and gas originate.






19. A layer of relatively porous and permeable rock in which the oil and gas coming up from the source rock can reside.






20. Phytoplankton and zooplankton that accumulated in marine sediments beginning 300 million years ago






21. Hard coal - with the second highest energy content






22. For lubricating motors






23. Fuel for trucks






24. An emergency supply of crude oil created by the US government following the oil embargo of 1973-1974. Contains more than 700 million barrels.






25. Energy






26. Reserves that are not as well known or characterized as proved reserves






27. Salt or cemented sandstone






28. Fraction of California's total energy requirements provided by natural gas

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29. Source rock under a reservoir bed - under a trap.






30. Soft coal - with the highest energy content






31. Heat - pressure - dearth of oxygen






32. Water or gas is injected into the reservoir to increase the pressure - bringing the oil to the surface. Begins when the oil no longer rises naturally to the surface. Accounts for 15-45% of the supply.






33. Cubic feet - volume - used when gas is at normal temperature and pressure - Dollars per volume in cubic feet - price






34. Natural gas that has been cooled to a liquid to store and transport.






35. Reserves that can reasonably be expected to exist based on geological evidence and projections from proved reserves.






36. The quantity of oil (or other energy resource) that exists and can be recovered under current operating and economic conditions.






37. Coal is converted to a gas - making it easier to remove impurities.






38. A mixture of hydrocarbons found in naturally occurring underground reservoirs






39. 1 Therm = 100000 Btu






40. Crude oil that contains a mixture of hydrocarbons that are relatively dense






41. Fuel for cars






42. Peat - formed from plants.






43. Burns coal at lower temperatures - reducing the production of nitrogen oxides - and making it easier to remove sulfur oxides.






44. Fuel for jets and tractors






45. Length of time global natural gas supply is expected to last.






46. Crude oil that contains a mixture of hydrocarbons that are relatively less dense






47. Methane produced by the action of microorganisms on waste in landfills






48. Oil with little or no sulfur






49. Unrefined oil. May appear thick and brown or black - or clear.






50. Unrefined mixture of methane - ethane - propane - and butane.







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