Q7 of 269 Page 156

Of what material are the control rods of a nuclear reactor made?

Control rods of a nuclear reactor are made of boron. Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium.

Name the type of nuclear reaction which is involved in the working of:

(a) A hydrogen bomb.

(b) An atom bomb.

Name the moderator used in a nuclear reactor.

What do you think is the purpose of the thick, concrete chamber surrounding the reactor of a nuclear power plant?

Where, in a nuclear power station, is uranium used up?