What is the function of the moderator in a fissionreactor? a. The moderator abso

Question

What is the function of the moderator in a fissionreactor?

a. The moderator absorbs gammarays.
b. The moderator prevents the reactorfrom reaching a critical state.
c. The moderator absorbs slowneutrons.
d. The moderator decreases the speeds offast neutrons.
e. The moderator prevents heat loss from the reactor core. What is the function of the moderator in a fissionreactor? The moderator absorbs gammarays. The moderator prevents the reactorfrom reaching a critical state. The moderator absorbs slowneutrons. The moderator decreases the speeds offast neutrons. The moderator prevents heat loss from the reactor core.

Explanation / Answer

Moderator. This is material in the core whichslows down the neutrons released from fission so that they causemore fission. It is usually water, but may be heavy water orgraphite. So answer is (d)

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