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NUCLEAR POWER

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  • The splitting of a large atom of one element into smaller atoms of different elements is called
    Fission
    Breeder slaws
    Combusion
    Fusion
  • In 1987, US Congress selected this site for long term disposal of high level radioactive waste.
    Carlsbad, New Mexico
    Yucca Mountain, Nevada
    Portland, Maine
    Miami, Florida
  • Lake Karachay in Russia is considered to be the most pollutted lake on Earth. Why?
    Wastes from the Russian nuclear industry
    Radioactive dust from natural uranium deposits
    Radioactive material in ash from coal plants
    The Chernobyl accident
  • The moderator in a USA nuclear power plant is.....
    Spring water
    River Water
    Very pure water
    Ocean Water
  • Reprocessing of spent fuel rods is a way to
    Recycle the half-life of the nucelar waste
    Recycle the energy of the nuclear fuel
    Reduce the half life of nuclear waste
    recover plutonium & left of U235 which can be used as fuel
  • The US governmental agency that regulates & enforces standards for nuclear power is the....
    US department of energy
    Environmental Protection Agency
    Nuclear Regulatory Commission
    Atomic engineer Corps
  • What cuntry produces the most nuclear power?
    USA
    Russia
    Germany
    France
  • Unstable radioactive isotopes are called ....
    Fusion
    Radioisotopes
    atomic particles
    Basic radiation
  • The period of time when th emost construction of new nuclear power plants took place in the US was..
    1990-19995
    1945-1960
    1950-1960
    1960-1975
  • The process of separating U238 from U235 is called .......
    moderation
    Half life
    Enrichment
    Nuclear fission
  • If you begin with 200g of radioactive isotope: after 3 half-lives passed, how many gms of the original isotope remain?
    50g
    200g
    100g
    25g
  • Which of the following would not be a source of natural background radiation
    rock and stone
    radium gas
    reprocessing plants
    cosmic rays from space
  • The hazards of radioactive wastes are...
    They do not dissolve well in the ground
    Give off strong radio signals
    nonhazardous
    Give off radiation that damage cells and lead to mutations
  • Which of the following materials is used to make nuclear weapons & usually produced at the power plant?
    all the above
    Plutonium
    Uranium238
    Uranium235
  • The nuclear reactors used in nuclear power plants do not have the potential to....
    Cause explosions
    Overheat & melt
    Increase cancer rates
    explode like atomic bombs
  • Control rods maintain the nuclear reaction by absorbing....
    Neutrons
    Heat
    Uranium
    Energy
  • In the symbol U235 the number 235 means.........
    number of protons
    Number of neutrons
    Atomic mass
    number of electrons
  • The combining of 2 small atoms to form a larger different atom is called...
    Half Life
    Fusion
    Fission
    Combustion
  • What could happen as a result of "loss of Coolant accident"?
    radioactive water release
    Cooling of the reactor
    Overheating of the reactor core
    Nuclear explosion
  • The world's worst nuclear power plant disaster to date occurred at
    Berlin, Germany
    Chernobyl, Ukraine
    Bejing, China
    Three Mile Island, USA
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