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1 PHSC 103.101 Winter, 2004 TEST #3 (Chapters 7, 8, 9, 10 & 11) Take Home: in Class. Dr. Alfred Amah Name _______________________________________________________ Last First. I. (40 points). Answer the following questions true/false: 2 points each 1. _____ A constant supply of energy is required by all living things to maintain life. 2. _____ World War II greatly increased the energy demand for manufacturing and transportation. 3. _____ Fossil fuels replaced wood as source of energy in developed nations. 4. _____ Heavy use of wood during early civilization led to shortages of trees. 5. _____ A resource is a naturally occurring substance of use to humans that can be extracted using the current technology. 6. _____ Coal is the most abundant fossil fuel 7. _____ As oil becomes less available, secondary recovering methods will increase. 8. _____ The primary problem associated with natural gas is transport of the gas to consumers. 9. _____ Oil was originally chosen as an alternative to coal because it was more convenient and less expensive. 10. _____ After World War II people thought that electricity produced from nuclear reactors would be so cheap it would not need to be metered. 11. _____ Nuclear fission is the splitting of electrons in the outer shell of an atom. 12. _____ The first controlled fission of an atom occurred in 1945 when U.S. dropped atomic bombs on the Japanese city of Hiroshima. 13. _____ Analyst predict that the worldwide demand for energy will decrease in the future. 14. _____ There is an inverse relationship between the amount of energy used and the complexity of civilization. 15. _____ Twenty-five countries that consume over half the world’s energy are known as OECD. 16. _____ Black lung disease is a hazard of working on oil rigs. 17. _____ Background radiation in many countries increased after the Chernobyl explosion. 18. _____ Pellet of U-235 are sealed in metal fuel rods which are then loaded into nuclear reactor.. 19. _____ Each step in the nuclear fuel cycle poses a radiation exposure problem. 20 ____ Nuclear fusion is the process whereby two lightweight atomic nuclei combine to form a heavier nucleus. 2 II. (60 points). Multiple Choice Questions: Answer each question by circling the alphabet of your choice. There is only one correct answer. 2 Points each 1. Which country is NOT a member of OPEC? a. Nigeria b. U.S c. Saudi Arabia d. Kuwait 2. What is the most important structural material in living organism? a. Oxygen b. Nitrogen c. Carbon d. Water 3. When Iraq invaded Kuwait in 1990? a. Oil prices rose b. Oil prices dropped c. Oil supplies rose d. Oil demand dropped 4. Approximately 80 to 90% of all living organism is comprised of: a. Nitrogen b. Carbon c. Water d. Phosphorous 5. Almost all electrical energy is produced as a result of a. Burning fossil fuels b. Nuclear power c. Hydroelectric power d. Geothermal power 6. Which of the following consumer goods is responsible for creating jobs, increasing energy consumption, and altering people’s lifestyle? a. television b. prefabricated housing c. automobile d. electrical appliances 7. The first transfer of energy on Earth occurs a. During respiration b. Within the molten core c. During photosynthesis d. None of the above 8. Choose the correct historical sequence of fuel use in the U.S. from 1800 to the present? a. Wood, coal, oil, gas b. Coal, wood, gas oil c. Wood, oil coal gas d. Oil, wood, coal, gas 3 9. What percentage of the total incoming solar radiation absorbed by the earth and its atmosphere is used for photosynthesis? a. 15.0% b. 0.15% c. 1.0% d. 50.5% 10. Which type of car engine is the only one with zero emissions currently available? a. Gasoline powered b. Methanol powered c. Solar powered d. Electric 11. Which of the following does NOT determine the price of gasoline? a. Cost of purchasing b. Currency rate exchange c. Cost of processing d. Taxes 12. Middle East OPEC nations control ______% of the world’s oil reserve a. 60 b. 90 c. 10 d. 25. 13. The sharp decline in U.S. oil consumption in 1973 and 1979 was a result of a. mandatory conservation b. a drop in reserves c. OPEC price increase d. War in Kuwait. 14. About 80% of China’s population use what type of fuel to produce energy? a. oil b. biomass c. coal d. natural gas 15. Solar, geothermal, and tidal energy are forms of a. nonrenewable resources b. fossil fuels c. renewable resources d. biomass 16. The term “mining heat” refers to which power source? a. coal b. oil c. geothermal d. natural gas 17. Which of the following is NOT a type of biomass? a. animal waste b. agricultural crops c. fuel wood d. solid waste 4 18. One of the causes of desertification is a. demand for fuel-wood b. drought c. loss of fertile soil d. flooding 19. What percentage of world’s consumable energy is furnished by fossil fuel? a. 17 b. 90 c. 54 d. 72 20. Which is NOT a disadvantage of coal mining? a. acid mine drainage b. black lung disease c. acid deposition d. dioxin pollution 21. Hydroelectric power plants are most commonly located near a. coal-powered plants b. nuclear-power plants c. artificial reservoirs d. estuaries 22. The first goal for developing nuclear energy was to a. produce electricity b. test new theories in quantum physics c. produce bombs d. develop a new energy source 23. What radioactive isotope is generally used to fuel controlled nuclear reaction? a. uranium-98 b. cesium-137 c. barium 140 d. uranium-235 24. Biological damage may be caused by beta or ________ radiation a. alpha b. delta c. gamma d. sigma 25. Which of the following is NOT a form of energy released from nuclear disintegration? a. alpha b. gamma c. beta d. delta 26. Which of the following cancers is strongly linked to increased radiation exposure? a. bone b. leukemia c. intestinal d. brain 5 27. Which of the following is NOT a part of all reactors a. moderator b. fuel core c. re-processor d. cooling mechanism 28. How much of the heat generated in a nuclear power plant is waste heat? a. two-thirds b. one-half c. one-fourth d. one-third 29. Decommissioning involves which of the following? a. decontaminating building surfaces b. disposal of fuel c. disassembly of parts d. all of the above. 30. The principle use of oil during the first 60 years of production was a. kerosene b. gasoline c. heating oil d. lubricating oil The end. Good Luck !!
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