The graphite rods in the nuclear reactor
react with U to release energy
oduce neutrons
undergo combustion which triggers the nuclear fission
convert fast moving neutrons into thermal neutrons
Option D
Fiberglass rods are heavier and slower action than graphite rods. Action is based on the more flex a rod has from top to bottom the slower the action is. The higher end carbon fiber rods flex at only the top third of the rod. ... Carbon fiber and graphite are the same thing(graphite is carbon fiber).
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