Pick up the wrong statement

A. In a heterogeneous or solid fuel reactor, the fuel is mixed in a regular pattern within moderator

B. Slow or thermal neutrons have energy of the order or 0.025 eV

C. Fast neutrons have energies above 1000 eV

D. Fast reactor uses moderator

Answer: Option D

Solution(By Examveda Team)

Fast reactors get more neutrons out of their primary fuel than thermal reactors, so many can be used to breed new fuel,