Answer:
False
Step-by-step explanation:
A working nuclear reactor is a not simple energy conversion device. A nuclear reactor is highly complex device. A nuclear reactor consists of moderator ( generally water or graphite), fuel rods that contain uranium, controls of mainly boron and cadmium to control the reaction, there is rector core where fuel rods are put. Finally the reactor is encased in a containment, which is very big heavy structure generally made of reinforced concrete.