A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to

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RRB Paper · Accepted Answer

The moderator helps slow down the speed of fast-moving neutrons produced by fission to sustain the chain reaction. Desirable properties of moderator It should have high thermal conductivity as heat transfer requires between neutron and moderator at a very high rate. It should be chemically stable and should not decompose due to nuclear radiation. It should not absorb neutrons but slow down the neutrons as early as possible. It should have high resistance to corrosion as it has to work under high pressure and temperature.

A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to

Slow down the speed of fast-moving neutrons

Control the reaction

Reduce the temperature

Extracts heat from nuclear reaction

The correct answer is `No. 1: Slow down the speed of fast-moving neutrons`

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A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to

Slow down the speed of fast-moving neutrons

Control the reaction

Reduce the temperature

Extracts heat from nuclear reaction

The correct answer is No. 1: Slow down the speed of fast-moving neutrons

The correct answer is `No. 1: Slow down the speed of fast-moving neutrons`