What do the control rods in a nuclear reactor do and how do they do it?

What do the control rods in a nuclear reactor do and how do they do it?

A control rod is a device that is used to absorb neutrons so that the nuclear chain reaction taking place within the reactor core can be slowed down or stopped completely by inserting the rods further, or accelerated by removing them slightly.

What is used as fuel in nuclear reactors?

Uranium is the most widely used fuel by nuclear power plants for nuclear fission. Nuclear power plants use a certain type of uranium—U-235—as fuel because its atoms are easily split apart.

What is the primary purpose of the uranium fuel rods?

A long, slender, zirconium metal tube containing pellets of fissionable material, which provide fuel for nuclear reactors. Fuel rods are assembled into bundles called fuel assemblies, which are loaded individually into the reactor core.

What is the moderator in nuclear reactor?

The moderator of a nuclear reactor is a substance that slows neutrons down. When fast neutrons strike the hydrogen atoms in H2O, they slow down a lot (like a billiard ball striking another). There are other good moderators like graphite, beryllium, and more.

What role does water play in a nuclear power plant?

At its most basic function, in most nuclear power plants, heated water is circulated through tubes in steam generators, allowing the water in the steam generators to turn to steam, which then turns the turbine generator and produces electricity. Water is then used to cool the steam and turn it back into water.

Which metal is used for control rod in nuclear reactor?

Cadmium
Notes: Cadmium is most commonly used as control rods in the nuclear reactors. Cadmium absorbs neutrons in the reactors, preventing them from creating additional fission events.

What is the function of moderator in nuclear reactor Mcq?

Moderator is a material used in a nuclear reactor to slow down the neutrons produced from fission. By slowing the neutrons down the probability of neutron interacting with Uranium-235 nuclei is greatly increased thereby maintaining the chain reaction.

Which statement best describes the use of control rods?

Which statement describes the use of control rods? Control rods are lowered into the reactor to slow down the reaction by absorbing neutrons. a self-sustaining series of chemical reactions in which the products of one reaction are the reactant in the next reaction.

How does a uranium reactor work?

In a nuclear reactor the uranium fuel is assembled in such a way that a controlled fission chain reaction can be achieved. The heat created by splitting the U-235 atoms is then used to make steam which spins a turbine to drive a generator, producing electricity.

What is main function of moderator?

Moderator: Moderator is a material used in a nuclear reactor to slow down the neutrons produced from fission. By slowing the neutrons down the probability of a neutron interacting with Uranium-235 nuclei is greatly increased thereby maintaining the chain reaction.