Question

Heavy water $\left(D_{2}O\right)$ is used in Atomic Reactors as -

• A. Coolant
• B. Controller
• C. Shield
• D. Moderator

Answer 1

The correct option is D Moderator

Moderator. e.g. , Heavy water, is a substance used in nuclear reactors of reduce the speed of fast Neutrons produced by nuclear fission.Moderator. e.g. , Heavy water, is a substance used in nuclear reactors of reduce the speed of fast Neutrons produced by nuclear fission.Moderator. e.g. , Heavy water, is a substance used in nuclear reactors of reduce the speed of fast Neutrons produced by nuclear fission.'