In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be%!

In order to have constant chain reaction to produce a constant rate of

1.	In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be%!
A.	Greater than 1.0
B.	Less than 1.0
C.	Equal to zero
D.	Equal to 1.0
Answer» E.