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Chain Reaction of Uranium

Which of the ...

Question

Which of the following are used as control rods in a nuclear reactor?

A

Cadmium rods

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B

Graphite rods

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C

Steel rods

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D

All of these

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Solution

The correct option is A Cadmium rods
Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium.
Cadmium rods are used as control rods as they are capable of absorbing neutrons without themselves fissioning.

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