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






2. 125000 Btu per gallon






3. Refined natural gas that contains pure methane.






4. Oil with little or no sulfur






5. Energy






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






7. Soft coal - with the highest energy content






8. Fuel for cars






9. Intermediate between hard coal and peat






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






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






12. 1 Therm = 100000 Btu






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






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






15. Fuel for trucks






16. For heating - cooking - and making plastics






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






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






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






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






21. Fuel for jets and tractors






22. 22% of energy consumed in the U.S. comes from the burning of natural gas.






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






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






25. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






26. Traps formed by folding or faulting of rock layers






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






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






29. For lubricating motors






30. 1 Btu = 1055 J






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






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






33. Heat - pressure - dearth of oxygen






34. Soot - sulfur oxides - nitrogen oxides - mercury






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






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






37. 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.






38. A mixture of of hydrocarbons and organic compounds






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






40. Marine shale - limestone - or oil shale






41. 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.






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






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






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






45. Structural traps and stratigraphic traps






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






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






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






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






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