Question

In the nuclear reactor of a power plant:

(a) how do control rods control the rate of fission?
(b) how is heat removed from the reactor core, and what use is made of this heat?

Answer 1

(a) Control rods control the rate of fission by absorbing excess neutrons.
(b) Liquid sodium is used to remove the heat from the reactor core. It is used as a coolant, and it transfers the heat to the heat exchanger. This heat is used to convert water into steam.