Chemistry

When fission is controlled what is it used for?

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2010-09-22 04:14:08
2010-09-22 04:14:08

in nuclear power plants

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Tritium is used to increase the efficiency of fission bombs and the fission stages of hydrogen bombs. It is also used in controlled nuclear fusion.


It is a combination of fission and fusion. A fission explosion is used to create the immense pressures required to cause fusion of hydrogen nuclei.


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


The fission is controlled in a nuclear reactor using materials that are having high neutron absorption capabilities. Accordingly, rate of nuclear fission is controlled or stopped by controlling the number of neutrons available to produce fissions.


the rate of the nuclear fission and hence rate of energy release is controlled by the control system through controlling the rate of neutrons that are available for continuing nuclear fission chain reactions.


The fission is controlled by inserting rods made of a material that absorbs the neutrons. This keeps the reaction from continuing, or slows the chain reaction.


There are both controlled and uncontrolled fission reactions. The reactors in nuclear power plants and submarines make use of a controlled nuclear reaction. Nuclear weapons make use of an uncontrolled reaction.


False, the fission in nuclear reactors is controlled with the movable control rods.




Fission. We don't have the technology to fuse atoms in a controlled way yet.


Fission is used in nuclear power plants and nuclear weapons.


A controlled chain reaction is the name given to a situation in which one fission reaction instigates exactly one more fission reaction.


Using control rods that obsorb neutrons, and can be gradualy raised or lowered into the core. In emergencies, "neutron poisons" are used, which almost instantly stop most fission within the core.


The chain reaction can be controlled, and it can be stopped. It is controlled in a nuclear power plant, and it is stopped when the plant shuts down, as it does periodically for refueling.



It is a device where a controlled nuclear fission chain reaction occurs.


It is a device where a controlled nuclear fission chain reaction occurs.


The fission process in a nuclear reactor which produces the thermal energy used in the steam cycle, is called a chain reaction because nuclei of U-235 and Pu-239 fission on absorbing a neutron, and the fission causes further neutrons to be released, thus a self sustaining reaction is started which is controlled to run at a steady power level.


A typical uranium fission event produces 2 to 3 neutrons. These neutrons are moderated (slowed down) and go on to initiate the fission of more uranium. On average, in a controlled reaction that is maintained at normal criticality (KEffective = 1), each fission creates exactly one neutron that is used to produce another fission.


U-235 isotope. (That is, of Uranium. It is a radioactive element.) The atoms are stocked in fuel rods, and the fission begins!


The fission reaction is controlled through use of high neutron capture material as Boron, Gadolinium, Cadmium, ... etc.


fermi (the Italian navigator) in 1942 in Chicago


A nuclear fission reaction that was not correctly controlled.




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