Chapter 24: Q24.87P (page 1105)
Describe the nature and purpose of these components of a nuclear reactor:
(a) control rods.
(b) moderator.
(c) reflector.
Short Answer
a. Control rods absorb neutrons, preventing them from producing additional fission.
b. A reactor's moderator is employed to slow down high-velocity neutrons.
c. The reactor core is protected from radiation and heat by the reflector. It also reduces a core's coolant flow bypass.