Q83
Which of the following is used as a moderator in nuclear reactor?
A.
Thorium
B.
Graphite
C.
Radium
D.
Ordinary water
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
"Light water" is the most commonly used moderator (roughly 75% of the world's reactors) although the term is slightly ambiguous, usually meaning natural fresh water, but could also refer to deuterium-depleted water.