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NUCLEAR POWER

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