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1. What is an alpha particle? |
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A. A highly energized electron
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B. An He-4 nucleus
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C. Radiant energy
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D. Highly radioactive isotope
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2. When it is not energetically feasible to convert a proton into a neutron through Beta+ decay, what process can occur? |
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A. Gamma radiation
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B. Beta- Decay
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C. Electron Capture
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D. Positron emmission
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3. What is the process where gamma rays transfer some of their energy to electrons? |
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A. Internal conversion
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B. Radioactive Decay
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C. mass - energy conversion
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D. Gamma radiation
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4. In the process electron capture, which orbital does the nucleus usually capture an electron from? |
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A. S orbital
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B. D orbital
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C. F orbital
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D. K orbital
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5. What is another name for the U238 - Radium226 decay series? |
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A. 2n series
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B. 4n+2 series
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C. 4n+3 series
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D. 2n+3 series
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6. How long does it take for death occur after exposure to 10,000 to 15,000 rads of radiation? |
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A. Few minutes
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B. Few hours
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C. Few days
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D. Few weeks
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7. What is a RAD (Radiation Absorbed Dose)? |
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A. Amount of radiation that puts 100,0J of energy in 1kg of absorbing material
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B. Amount of radiation that puts 100J of energy in 1kg of absorbing material
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C. Amount of radiation that puts 10J of energy in 1kg of absorbing material
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D. Amount of radiation that puts 1J of energy in 1kg of absorbing material
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8. What particles are released from the nucleus in Beta- decay? |
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A. anti-neutrino, electron
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B. anti-neutrino, positron
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C. neutrino, electron
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D. neutrino, positron
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9. Which of the following IS NOT a quark? |
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A. strange
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B. charm
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C. humor
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D. beauty
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10. What quarks is a proton composed of? |
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A. charm-charm-strange
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B. truth-truth-up
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C. up-up-down
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D. up-down-down
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11. What is the order, from least to greatest, of the mass of protons, neutrons, and electrons? |
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A. proton < electron < neutron
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B. electron < neutron < proton
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C. neutron < proton < electron
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D. electron < proton < neutron
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12. What is the atomic number? |
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A. Number of protons in nucleus
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B. Number of neutrons in nucleus
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C. Total mass of atom
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D. Total mass of nucleus
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13. In gaseous diffusion, a uranium enrichment process, what is uranium combined with? |
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A. Flourine
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B. Chlorine
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C. Nitrogen
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D. Sulfur
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14. In a nuclear reactor, what is the purpose of control rods? |
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A. They add more uranium fuel to the core
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B. They carry water and help cool the reactor core
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C. They increase or decrease the rate of fission
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D. They release neutrons to speed up the reaction
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15. In a nuclear reactor, what is the purpose of a moderator? |
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A. To moderate the amount of cooling water
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B. To prevent the release of too many neutrons
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C. To slow down the speed of neutrons
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D. To prevent the generation of too much electricity
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16. Which reactor uses a one step water cycle; where radioactive water is used to turn the turbine? |
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A. Pressurized Water Reactor (PWR)
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B. Boiling Water Reactor (BWR)
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C. Heavy Water Reactor (HWR)
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D. Thermonuclear Fusion Reactor
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17. Which Reactor can use un-enriched uranium fuel? |
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A. Pressurized Water Reactor (PWR)
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B. Boiling Water Reactor(BWR)
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C. Heavy Water Reactor (HWR)
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D. Thermonuclear Fusion Reactor
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18. In naturally occurring uranium deposits, which of the following is the most abundant? |
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A. U235
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B. U238
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C. Boron
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D. Lead
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19. Which of the following IS NOT a fissile isotope? |
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A. U238
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B. Pu239
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C. Th232
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D. U235
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20. Spent nuclear rods are initially placed in a pool containing what? |
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A. Carbonic acid
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B. Sulfluric acid
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C. Hydrochloric acid
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D. Boric acid
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21. Which of the following is a method for temporary storage of nuclear wastes? |
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A. Pools
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B. Ionization
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C. Dry Cask Storage
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D. A & C
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22. Which of the following is the most promising option for permanent fuel storage? |
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A. Deep geological disposal
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B. Buried waste under ocean floor
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C. Outerspace disposal
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D. Concrete bunkres
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23. What is the fissile material in a fision bomb surrounded by? |
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A. Neutron guns
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B. Control rods
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C. conventional explosives
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D. Titanium
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24. The vast majority of radiation in nuclear waste is given of by? |
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A. Neutron-absorbing control rods
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B. Fuel rods
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C. Radioactive coolant
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D. U238
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25. Which is a fission bi-product of U235? |
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A. Lanthanum 138 (La)
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B. Strontium 90 (Sr)
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C. Scandium 45 (Sc)
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D. Xenon 131 (Xe)
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26. What is the biggest transuranic waste produced? |
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A. Np241
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B. Am241
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C. U240
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D. Pu239
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27. Which transuranic waste produced in a nuclear reactor can be used as fuel? |
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A. Pu239
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B. Am241
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C. Np241
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All of the above.
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28. The tailings produced from uranium mining are generally: |
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A. Short lived and high level waste
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B. Short lived and low level waste
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C. Long lived and low level waste
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D. Long lived and high level waste
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29. How do parts of a nuclear reactor become contaminated (radioactive)? |
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A. The gamma rays emmitted from the core cause parts to become radioactive
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B. Free neutrons cause fission to occurr with the reactor's parts
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C. Radioactive atoms hit the parts and get stuck to them
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D. The core's immense heat causes the parts to become radioactive
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30. What is an isotope? |
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A. Atoms with same number of neutrons but different number of protons
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B. Atoms with same atomic number but different atomic mass
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C. Atoms with same number of protons but different number of electrons
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d. Atoms with same atomic mass but different atomic number
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31. What does the triple-alpha process produce? |
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A. C-12
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B. Be-8
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C. Ne-20
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D. Mg-24
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32. What is nucleosynthesis? |
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A. The process of forming heavier elements with the fusion of He-4
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B. Process of creating protons from neutrons
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C. Creating an atom from individual nucleons.
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D. The fusion of hydrogen and deutrium
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33. What is the heaviest element which can form through the process of nucleosynthesis? |
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A. Uranium
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B. Plutonium
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C. Iron
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D. Barium
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34. What is binding energy? |
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A. Energy required to disassociate an electron from an atom
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B. Energy needed to decompose a nucleus into its individual nucleons
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C. Energy required to fuse two atoms together
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D. Energy needed to bind two protons together
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35. What is the conversion factor (MeV) used in calculating the binding energy? |
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A. 3 x 10^8 MeV/amu
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B. 931.5 MeV/amu
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C. 1.007825 MeV/amu
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D. 6.02 x 10^23 MeV/amu
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36. Which of the following is a step in the proton-proton reaction? |
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A. H-2 + H-1 -> H-3 + gamma ray
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B. C-13 + He-4 -> O-16 + neutron
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C. C-12 + H-1 N-13 + gamma ray
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D. He-4 + He-4 -> Be-8 + gamma ray
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37. Which element acts as a catalyst in the carbon-nitrogen-oxygen (CNO) cycle? |
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A. carbon
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B. nitrogen
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C. oxygen
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D. hydrogen
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38. What reaction occurrs in stars when there is no more hydrogen? |
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A. CNO cycle
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B. proton-proton reaction
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C. Triple alpha process
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D. Fission
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39. What is a high temperature breeder reactor? |
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A. Creates nuclear fuel by fusing lighter elements in triple alpha process
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B. Causes most transuranic nuclear wastes to fission
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C. A reactor which produces more uranium fuel
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D. A & B
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40. How does the EBR-II reactor make 239Pu fission? |
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A. Has a high reactor temperature
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B. Uses extra neutrons to bombard it with
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C. Increases the speed of neutrons by disabling the moderator
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D. Isolates the plutonium waste in a second core and fissions it
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41. What is the quantity of a mole? |
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A. 66.02 x 10^25
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B. 6.02 x 10^23
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C. 931.5
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D. 25,000
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42. How many grams of a 1000g sample of Plutonium-239 will be left after 42,220 years? Plutonium has a half-life of 21,110 years. |
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A. 4,000g
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B. 2,000g
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C. 500g
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D. 250g
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43. What is the process of reaction that occurrs in stars from birth to Red Giant? |
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A. proton-proton reaction; fusion between H and other light metals; CNO cycle
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B. fusion between H and other light metals; proton-proton reaction; CNO cycle
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C. CNO cycle; proton-proton reaction; triple-alpha process
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D. proton-proton reaction; triple-alpha process; CNO cycle;
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44. In what stage of the life of star does the triple-alpha process begin? |
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A. Red Giant
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B. White Dwarf
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C. Supernova
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D. Neutron star
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45. After the red giant phase, a star can become either |
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A. A white dwarf or a supernova
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B. A neutron star or a pulsar
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C. A planetary nebula or a white dwarf
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D. A black hole or a white dwarf
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46. Why can't supernovas fuse iron to make more energy? |
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A. Iron is too heavy to fuse
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B. Iron has a high bonding energy
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C. Iron isn't radioactive
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D. Iron is too unstable to be present in stars
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47. Which of the following is in the correct order for the life cycle of a star? |
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A. White dwarf then Supernova then Neutron Star
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B. Planetary nebula then White dwarf then Supernova
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C. Pulsar then Neutron star then Supernova
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D. Planetary nebula then Neutron star then Black hole
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48.
Which of the following is not a benefit of fusion energy?
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A. Fusion has no waste products
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B. A very abundant supply of energy
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C. No creation of weapons-grade material
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D. No chance of runaway reactions leading to accidents
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49.
Which can not be used for plasma confinement?
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A. Gravity
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B. Magnetic Fields
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C. Inertia
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D. A Closed Room
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50.
What are the products of the deuterium-tritium reaction?
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A. Lithium-7
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B. Deuterium
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C. helium-4 and a neutron
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D. helium-4, a positron, and a neutrino
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