Question

The function of heavy water in a nuclear reactor is to

A. Slow down the speed of neutrons

B. Increase the speed of neutrons

C. Cool down the reactor

D. Stop the nuclear reaction

Answer 1

The correct option is C)

Cool down the reactor. Water is used as a cooling fuel in nuclear reactors.

Since the nuclear reaction emits heavy amounts of heat and the container needs to be cooled down in order to avoid any fatal accidents.

Water is preferably used as a cooling agent in nuclear plants.