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A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate.

The heated water rises up and passes through another part of the reactor, the heat exchanger. The moderator/coolant water is radioactive, so it can not leave the inner reactor containment. Its heat must be transferred to non-radioactive water, which can then be sent out of the reactor shielding. This is done through the heat exchanger, which works by moving the radioactive water through a series of pipes that are wrapped around other pipes. The metallic pipes conduct the heat from the moderator to the normal water. Then, the normal water (now in steam form and intensely hot) moves to the turbine, where electricity is produced.

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Q: How are nuclear reactions controlled in power plants?
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Related questions

Can Nuclear fission be controlled?

Yes. Nuclear power plants and nuclear powered ships and submarines use controlled fission reactions.


Where does the energy from nuclear reactions come from?

Damaged Power Plants


Does nuclear power plants uses nuclear fusion?

No, they rely on fission. Controlled fusion is the holy grail of nuclear power.


When fission is not controlled how is it used?

Reactions that involve nuclei, called nuclear reactions, result in a tremendous amount of energy. Two types are fission and fusion.


What is the most powerful man made energy source on earth?

Nuclear reactions like nuclear power plants ^_~


How can nuclear energy be changed to mechanical energy?

One way it to allow the heat from controlled nuclear reactions to boil water. The steam can then power steam turbines in much the same way that steam from coal or wood fired boilers can be used. In the simplest terms this is how most if not all nuclear power plants work.


What are controls rods used for?

They are neutron absorbers, and by raising/lowering they can absorb variable amounts of neutrons. This allows the reactor to be maintained just critical at a steady power, or power to be raised/lowered, or shutdown completely and safely held down.


How many nuclear facilities does France currently have?

Nuclear power is produced by controlled nuclear reactions. France derives over 75% of its electricity from nuclear energy. France has 59 nuclear reactors operated by Electricite de France.


What fuel is used in nuclear power plants?

A nuclear reactor is a device to initiate, control, and sustain a nuclear chain reaction. Nuclear power is energy produced from controlled nuclear reactions. When it comes to just standard fuel across the table it would have to be: Plutonium, Uranium, and Thorium.


How are nuclear power plants?

by nuclear power ¬.¬


What do nuclear power plants have to do with nuclear energy?

Nuclear power plants produce electricity by using nuclear energy


What are the application of nuclear fission?

1. Nuclear power plants 2. Nuclear weaponsNuclear power plants