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The most common coolant used in nuclear reactors is water. There are light water reactors (using "regular" water), and the heavy water kind of reactor.

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Most of the nuclear power plants currently operating in the US are classified as.....?

Most nuclear power plants currently operating in the US are classified as pressurized water reactors (PWRs). These reactors use water as both a coolant and moderator to generate electricity through nuclear fission. PWRs are the most common type of nuclear reactor in use worldwide.


Most of the world's nuclear reactors are of the type?

Most are lightwater moderated and cooled, these are the PWR and BWR. There also a substantial number of heavy water reactors, based on CANDU, and gas cooled reactors mainly now in the UK.


Does nuclear energy contain water?

no. most reactors use water as coolant and/or moderator, but nuclear energy is energy and contains no matter.


What type of coolants is usually used to remove heat from a nuclear reactor core?

Water is the most common coolant used to remove heat from a nuclear reactor core. In pressurized water reactors (PWRs), water is used both as a coolant and as a moderator.


Which actinide fuel is used in nuclear reactors?

Uranium-235 and plutonium-239 are the most common actinide fuels used in nuclear reactors as they are fissile and undergo nuclear fission reactions efficiently.


What is plutoniums most common isotope?

The most common plutonium isotope is plutonium 239.


Are there more fast breeder or thermal nuclear reactors?

Most nuclear reactors are thermal-neutron reactors. A few fast breeder reactors have been built, but not many.


What is the radioactive metal used in nuclear reactor?

The radioactive metal used in nuclear reactors is uranium. It is commonly used as fuel in nuclear reactors due to its ability to undergo nuclear fission, releasing large amounts of energy in the process.


What element is put into nuclear reactors?

In fission reactors (by far the most common type), uranium, plutonium and thorium can be used. In fusion reactors (much less common, most are simply prototypes still being tested), hydrogen (or the isotopes deuterium or tritium) or helium can be used.


What two metals are used as nuclear fules?

Two common metals used as nuclear fuels are uranium and plutonium. Uranium is the most widely used fuel in nuclear reactors, while plutonium is used as a fuel in some types of reactors, such as fast breeder reactors.


Which coolant in a nuclear power plant is the one most likely to contain boric acid?

Pressurized water reactors (PWRs) are most likely to use a coolant that contains boric acid. Boric acid is added to the primary coolant in PWRs to help control the reactivity of the reactor by absorbing neutrons.


Where uranium is presence most crucial?

Nuclear fuel for nuclear power reactors Nuclear weapons