In a subcritical nuclear reactor:
A)the number of fission events per unit time decreases with time
B)the number of fission events per unit time increases with time
C)each fusion event produces fewer neutrons than when the reactor is critical
D)each fusion event produces more neutrons than when the reactor is critical
E)none of the above

Question

Quizplus · Accepted Answer

In a subcritical nuclear reactor, the rate of neutron production is lower than the rate of neutron loss. This means that the number of fission events per unit time decreases with time as there are not enough neutrons to sustain a chain reaction.

In a Subcritical Nuclear Reactor