The material used to slow the neutrons in a reactor is called

Control rod

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Moderator

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Fuel

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Heat exchanger

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Solution

The correct option is B Moderator
The function of a moderator is to slow down the fast moving neutrons.
The function of control rod is to absorb (capture) the neutrons.

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Similar questions

The velocity of neutrons in a nuclear reactor is slowed down by using:

Q80. With reference to fast breeder reactors, consider the following statements:

1. They use fast neutrons for sustaining the chain reaction.

2. Heavy water is used as moderator in these reactors.

3. They breed more fissile material than they consume.

Which of the above statement(s) is/are correct?

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