Question

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Define process of nuclear fission. Write the steps involved in generating electricity in a
nuclear reactor.​

Answer 1

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$\bf{nuclear \: fission} \div$

The process in which a heavy nucleus (such as uranium, plutonium or thorium) is broken into two nearly equal fragments when bombarded with low-energy neutrons and a tremendous amount of energy is released. This process is called nuclear fission.

$\bf{steps \:involved} \div$

1>> The fuel rods full of uranium pellets are placed in a nuclear reactor chamber.

2>> Low-energy neutrons are bombarded on uranium fuel rod.

3>> A self-sustaining fission chain reaction starts that releases energy at a controlled rate.

4>> With this heat the reactor converts water to steam at a high temperature and pressure.

5>> This high temperature and pressure steam spins generator turbines producing electricity.

6>> The steam cools back into water, which can then be used over again.

Answer 2

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■ The steps involved in generating electricity in a nuclear reactor are:

(i) The controlled fission of uranium-235 in the nuclear reactor produces a lot of heat energy.

(ii) Liquid sodium or C02 gas is pumped continuously through the pipes embedded in reactor. Sodium absorbs the heat energy produced in reactor