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in nuclear power plants

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โˆ™ 2010-09-22 04:14:08
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Q: When fission is controlled what is it used for?
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When fission is not controlled how is it used?

In nuclear weapons

What are the uses of tritium h3?

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.

Is the hydrogen bomb controlled fission or fusion reaction?

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.

Can Nuclear fission be controlled?

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

How can the fission be controlled or stopped in a nuclear reactor?

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.

What is controlled nuclear fission?

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.

How is fission inside a powerplant controlled?

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.

Is nuclear fission controlled or uncontrolled?

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.

A nuclear reactor uses the energy from a controlled?

nuclear fission

Mechanism and container for controlled fission is called?

A nuclear reactor

The controlled release of nuclear energy in a reactor is accomplished by?


A nuclear reactor produces energy from uncontrolled fission?

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

What is the name given to a situation in which one fission reaction instigates exactly one more fission reaction?

a controlled chain reaction

Do nuclear plants use fission or fusion to create electricity?

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

How is the rate of the fission in a nuclear reactor controlled?

By the control rods and by the moderator.

Where is fission used?

Fission is used in nuclear power plants and nuclear weapons.

What is the name given to a situation in what one fission reaction instigates exactly one more fission reaction?

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

How is the rate of a fission reaction controlled within a nuclear reactor?

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.

Can the chain reaction of nuclear fission be stopped or controlled?

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.

What have chain reactions got to do with nuclear fission?

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.

How many neutrons are produced during a typical uranium fission reaction and what is the role of these neutrons in a nuclear chain reaction?

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.

What is meant by nuclear reactor?

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

What is the meaning of nuclear reactor?

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

What is the place where controlled nuclear fission reactions take place?

In the core of a nuclear reactor

What helps control the fission reaction in a nuclear plant?

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