Question

Write the function of the following parts of nuclear reactor along with material used in making it.
a. Control rod
b. Moderator

Answer 1

a. The control rods are made up of cadmium or boron. The function of this control rod is to absorb the neutron efficiently. It can also be used to shut down the reactor.
b. Heavy water and graphite are used as a moderator. The function of the moderator is to slow down the neutrons which are emitted in the fission reaction.