Q. Pick out the unmatched pair from the following
A) Moderator – Heavy water
B) Nuclear fuel - $\ _{92}U^{235}$
C) Pressurized water reactor – water as the heat exchange system
D) Safety rods – Carbon
Explanation
(d) Control rods or safety rods used in a nuclear reactor are cadmium rods or boron rods
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.