ExamVeda
Login
Home
This question belongs to General Knowledge General Science
General Science
?

Which of the following is used as a moderator in nuclear reactor?

Answer & Solution
Correct Answer: Option D
"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.
Examveda
Question posted by Examveda
Community

Join the Discussion

10 Comments
Darshan R
Darshan R 3 months ago
Both Graphite and heavy water
V J
V J 3 years ago
Graphite and D2O both are used as moderators in nuclear reactor
Soustabh Paul
Soustabh Paul 5 years ago
Heavy water is the moderator.
Ningaraj J
Ningaraj J 6 years ago
Moderater produced to thoriam, so thoriam is a right answer.
Nagaraj L
Nagaraj L 7 years ago
Option D was strong, is Graphite.
Ajit Sharma
Ajit Sharma 7 years ago
why not 'Graphite'
Sandeep Kumar
Sandeep Kumar 8 years ago
The answer D) ordinary water is wrong. The moderator used in nuclear reactor are Graphite & Heavy water(D2O)
NILESH KAKDE
NILESH KAKDE 9 years ago
Control rod is used to control the chain reaction by absorbing neutron produce in a chain reaction .ex boron , cobalt
Moderator is used in a chain reaction to moderate or slow down the producing neutron. ex graphite , heavy water.
Ram Bhardwaj
Ram Bhardwaj 9 years ago
Niloy Roy sir..Ordinary water is correct.it can't be Graphite..It should be Ordinary water or heavy water.
Niloy Roy
Niloy Roy 10 years ago
It should b -- "B"