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