Q22
A moderator
A.
Absorbs neutrons
B.
Does not absorb neutrons
AnswerC.
Accelerates neutrons
D.
None of these
Answer: Option B
Solution
Answer: Option B
Solution:
The moderator, which is of importance in thermal reactors, is used to moderate, that is, to slow down, neutrons from fission to thermal energies. Commonly used moderators include regular water , solid graphite and heavy water