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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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Q: What is the most common coolant used in nuclear reactors?
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Related questions

Does nuclear energy contain water?

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


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 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 element is used as a fuel component in nuclear reactors?

Any fissile material would do, but Uranium is the most common.


Where uranium is presence most crucial?

Nuclear fuel for nuclear power reactors Nuclear weapons


What are the most common nuclear fuels?

in reactors: yellowcake, a uranium oxide; after that probably metallic uraniumin stars: ordinary hydrogen; after that helium


Why do nuclear reactors have to be located near water?

Water is used as coolant in most reactor plants to keep the reactor cool and prevent over heating. They do not necessarily need to be near a source of water; water just has to be available. However, a lot of nuclear reactors are build by a natural source of water so that the water can be used as an emergency source of coolant to keep the reactor covered with water in case of a rupture.


What element is a common fuel for nuclear reactors?

Uranium is the most common, though thorium will have great use in the future. The early reactors were designed to produce maximum quantities of Uranium and Plutonium for weapons. The electrical power was almost a bye product.


How is uranium involved in nuclear reactors?

Uranium is now the most important nuclear fuel for nuclear power plants.


Which country has the most operational Nuclear Power Reactors in the world?

France (having 58 nuclear power reactors and one under construction) with around 80% of its electricity is produced by nuclear power.


How many nuclear power plant are in operation in the US?

Total of 104 reactors, most sites have two reactors


How many reactors usually work in nuclear power plants?

Most plants have two reactors but some have more