The control rods used in the reactor of a nuclear power plant are made of :
(a) steel (b) graphite (c) uranium (d) boron

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Solution

Ans Option( d)- boron
Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without they themselves undergoing fission.

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Q. The control rods used in the reactor of a nuclear power plant are made of:

(a) steel
(b) graphite
(c) uranium
(d) boron

Q. Consider the following statements In nuclear power reactors
(a) Uranium-235 is used as the fission material.
(b) Graphite is used as a moderator.
(c) Rods of lead are used to control the rate of nuclear reaction.
Which of the above statements are correct?

Q. Match the following:

List-I Nuclear reactor component	List-II Substance used
$(A)$ Moderator	$(i)$ Uranium
$(B)$ Control rods	$(i i)$ Graphite
$(C)$ Fuel rods	$(i i i)$ Boron
$(D)$ Coolant	$(i v)$ Lead
	$(v)$ Sodium

In the nuclear reactor of a power plant :
(a) how do control rods control the rate of fission ?
(b) how is heat removed from the reactor core, and what use is made of this heat ?

Q. Control rods, used to capture the slow neutrons in a nuclear reactor are made of

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The control rods used in the reactor of a nuclear power plant are made of : (a) steel (b) graphite (c) uranium (d) boron

Ans Option( d)- boron Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without they themselves undergoing fission. ​

The control rods used in the reactor of a nuclear power plant are made of :
(a) steel (b) graphite (c) uranium (d) boron

Ans Option( d)- boron
Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without they themselves undergoing fission.