The function of the control rods in a nuclear reactor is to:
A)increase fission by slowing down the neutrons
B)decrease the energy of the neutrons without absorbing them
C)increase the ability of the neutrons to cause fission
D)decrease fission by absorbing neutrons
E)provide the critical mass for the fission reaction

Question

Quizplus · Accepted Answer

Control rods are made of materials that absorb neutrons, such as cadmium or boron, and are used to decrease the fission rate of a reactor by absorbing excess neutrons. This helps to regulate the power output of the reactor and prevent a runaway reaction.

The Function of the Control Rods in a Nuclear Reactor