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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. Sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans






2. Oil with little or no sulfur






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






4. Fuel for jets and tractors






5. Refined natural gas that contains pure methane.






6. Soft coal - with the highest energy content






7. 1 Btu = 2.931x10-4 kWh






8. For lubricating motors






9. A type of sedimentary rock that - when heated - releases hydrocarbons.






10. 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.






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






12. Salt or cemented sandstone






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






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






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






16. An industrial fuel - also used to make petroleum products






17. A mixture of of hydrocarbons and organic compounds






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






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






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






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






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






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






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






25. Length of time US coal reserves are expected to last...






26. Soot - sulfur oxides - nitrogen oxides - mercury






27. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






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






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






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






31. Traps formed by folding or faulting of rock layers






32. An arch of stratified rock - an important geological feature that may be associated with reserves of oil - a type of structural trap.






33. Raw material in the production of pain and fertilizer - steel - glass - paper - and other products.






34. 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.






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






36. Energy to raise the temperature of 1 lb of water by 1 degree F at 1 atm.






37. Marine shale - limestone - or oil shale






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






39. 125000 Btu per gallon






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






41. Hard coal - with the second highest energy content






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






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






44. 1 Therm = 100000 Btu






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






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






47. For heating - cooking - and making plastics






48. Fuel for cars






49. Intermediate between hard coal and peat






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







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