Q6 of 269 Page 156

Name the moderator used in a nuclear reactor.

Commonly used moderators include regular (light) water (roughly 75% of the world's reactors), solid graphite (20% of reactors) and heavy water (5% of reactors).


More from this chapter

All 269 →
4

State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.

 5

Name the type of nuclear reaction which is involved in the working of:

(a) A hydrogen bomb.


(b) An atom bomb.

 7

Of what material are the control rods of a nuclear reactor made?

 8

What do you think is the purpose of the thick, concrete chamber surrounding the reactor of a nuclear power plant?