Cadmium rods are used in nuclear reactor.

1 Answer

Answer :

Cadmium is a neutron absorber. Hence they are used as control rods to absorb excess

neutrons produced during fission reaction.

Related questions

Description : Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of (A) High carbon steel (B) Molybdenum (C) Zircaloy (D) Boron or cadmium

Last Answer : (D) Boron or cadmium

Description : Fuel used in a nuclear reactor is (a) Uranium (b) Heavy water (c) Barium (d) Cadmium

Last Answer : Ans:(a)

Description : The graphite rods in the nuclear reactor?

Last Answer : convert fast moving neutrons into thermal neutrons

Description : A nuclear reactor has to be shutdown, the rods used for this purpose is made of

Last Answer : cadmium / boron carbide.

Description : In a nuclear reactor the material use for absorbing neutrons is – (1) zinc (2) radium (3) lead (4) cadmium

Last Answer : (4) cadmium Explanation: One isotope of cadmium, 113Cd, absorbs neutrons with very high probability if they have an energy below the cadmium cut-off and transmits them otherwise. The cadmium ... below the cut-off are deemed slow neutrons, distinguishing them from intermediate and fast neutrons.

Description : Which of the following is a moderating material used in nuclear reactor? (A) Graphite (B) Cadmium (C) Zircaloy (an alloy of zirconium and aluminium)

Last Answer : (A) Graphite

Description : Biological shield in a nuclear power reactor is made of (A) Concrete (B) Steel (C) Cadmium (D) Zircaloy

Last Answer : (A) Concrete

Description : __________ is not used as the control rod material in a nuclear reactor. (A) Cobalt (B) Hafnium (C) Cadmium (D) Boron

Last Answer : (A) Cobalt

Description : What substance was used as a moderator for the chain reaction in the first nuclear reactor? w) graphite x) boron y) water z) cadmium

Last Answer : ANSWER: W -- GRAPHITE

Description : In a nuclear reactor the material use for absorbing neutrons is (1) zinc (2) radium (3) lead (4) cadmium

Last Answer : cadmium

Description : In a nuclear reactor lowering control rods willresult in?

Last Answer : Need answer

Description : In a nuclear reactor the moderator is usually made of graphite placed between the fuel rods used to slow down neutrons all of the above none of the above?

Last Answer : Feel Free to Answer

Description : Neutrons are slowed down in a nuclear reactor by – (1) Fissionable Material (2) Moderator (3) Control rods (4) Cooling system

Last Answer : (2) Moderator Explanation: In thermal nuclear reactors, the coolant acts as a moderator that must slow down the neutrons before they can be efficiently absorbed by the fuel. It allows neutrons to slow down to energies where they can easily cause a nucleus to fission.

Description : An important safety feature required at U.S. nuclear power plants that was not present at the Chernobyl Power Plant in the Soviet Union was the: w) reactor x) cooling water y) control rods z) containment building

Last Answer : ANSWER: Z -- CONTAINMENT BUILDING

Description : Neutrons are slowed down in a nuclear reactor by (1) Fissionable material (2) Moderator (3) Control rods (4) Cooling system

Last Answer : Moderator

Description : Which of the following is used as a coolant in nuclear reactors? (1) Heavy water (2) Cadmium (3) Liquid sodium (4) Graphite

Last Answer : (3) Liquid sodium Explanation: Liquid metallic sodium may be used as the sole coolant, carrying heat from the core. Sodium has only one stable isotope, sodium-23. Sodium-23 is a very weak absorber of neutrons.

Description : wo elements which are used to absorb neutrons to control the chain reaction during nuclear fission are - (1) Boron and Cadmium (2) Boron and Plutonium (3) Cadmium and Uranium (4) Uranium and Boron

Last Answer : (1) Boron and Cadmium Explanation: Since the continued chain reaction of a nuclear fission reactor depends upon at least one neutron from each fission being absorbed by another fissionable nucleus, the ... and then the control rods are slowly lifted until a chain reaction can just be sustained.

Description : Which of the following is not used as a nuclear fuel cladding material? (A) Zircaloy (B) Cadmium (C) Ceramics (D) Stainless steel

Last Answer : (B) Cadmium

Description : Two elements which are used to absorb neutrons to control the chain reaction during nuclear fission are (1) Boron and Cadmium (2) Boron and Plutonium (3) Cadmium and Uranium (4) Uranium and Boron

Last Answer :  Boron and Cadmium

Description : which of the following are used as control rods in a nuclear reacto ?

Last Answer : which of the following are used as control rods in a nuclear reacto ? A. Cadmium rod B. Graphite rods C. steel rods D. All of these

Description : What do Possible options for spent nuclear fuel rods include?

Last Answer : Need answer

Description : Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer 

Last Answer : ANSWER: A

Description : Write function of control rods in nuclear power plant.

Last Answer : Function of control rods in nuclear power plant: The function of control rod is to control the chain reaction in reactor core by adjusting its height.

Description : Manoj's father works in a nuclear power reactor. He asked his father to take him for a visit to nuclear power reactor. But his father was not keen to take him there. Now answer the following ... could be the possible reason of Manoj's father not taking him to the nuclear power reactor? -Science

Last Answer : a) (i) Safety concerns. (ii) Health concerns. (b) Advantage: From a small amount of nuclear fuel, a large amount of energy is released in a nuclear power reactor. Disadvantage: There is risk of harmful radiation leakage from nuclear waste.

Description : Define process of nuclear fission. Writ the steps involved in generating electricity in a nuclear reactor. -Science

Last Answer : Nuclear Fission: The process in which a heavy nucleus (such as uranium, plutonium or thorium) is broken into two nearly equal fragments when bombarded with low-energy neutrons and a tremendous ... turbines producing electricity.The steam cools back into water, which can then be used over again.

Description : What is the source of electric energy in an artificial satellite? (a) A mini nuclear reactor (b) A dynamo (c) A thermopile (d) Solar cells

Last Answer : Ans:(d)

Description : Moderators used in Nuclear Reactor?

Last Answer : Graphite and Heavy water

Description : Coolants used in nuclear reactor?

Last Answer : Liquid sodium

Description : Which metal is used as the moderator in nuclear reactor?

Last Answer : Graphite

Description : The metal cover used in the walls of nuclear reactor to prevent radioactive radiations being released to the environment is

Last Answer : lead.

Description : The speed of neutrons in a nuclear reactor is reduced with the help of

Last Answer : graphite / heavy water.

Description : The part of the nuclear reactor that controls the speed of neutrons released during nuclear fission is

Last Answer : moderator.

Description : The principle of a nuclear reactor is

Last Answer : controlled chain reaction.

Description : People working in a nuclear reactor wear lead jackets.

Last Answer : Lead can absorb radiations.

Description : A nuclear reactor is enclosed in a concrete building with lead sheets covered inside.

Last Answer : To prevent radioactive radiations being released into the environment.

Description : When is a nuclear reactor said to be a) shut off b) critical?

Last Answer : A nuclear reactor is said to be shutoff when the control rods are inserted sufficiently deep into the core of the reactor.

Description : Explain the following parts of a nuclear power reactor.

Last Answer : a) Nuclear fuel: It is the fissionable material used in a reactor. It is in the form of rods placed in a regular array in a large container. Ex: Enriched uranium 235, Plutonium b) Control ... ) Heat exchanger: It is used to transfer the heat energy of the coolant to convert water into steam.

Description : Name the parts of a nuclear power reactor.

Last Answer : a) Nuclear fuelb) Control rods f) Radiation shield c) Moderator d) Reflectore) Coolant

Description : Mention the types of nuclear reactor.

Last Answer : a) Breeder reactor [to produce radio isotopes] b) Power reactor [to generate electricity] c) Research reactor [to carry out research programmes related to atomic energy]

Description : What is a nuclear reactor?

Last Answer : A nuclear reactor is a device used to carry out fission under controlled condition.

Description : What “Enrico Fermi” invented? A. X ray machine B. Betatron C. Cyclotron D. Nuclear reactor (Answer)

Last Answer : D. Nuclear reactor (Answer)

Description : Which element is used as moderator in nuclear reactor? A. Light water B. Dense water C. Fresh water D. Heavy water (Answer)

Last Answer : D. Heavy water (Answer)

Description : A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect? A. Current B. Voltage C. Nuclear Radiation (Answer) D. power E. None of these

Last Answer : C. Nuclear Radiation (Answer)

Description : A moderator is used in nuclear reactor in order to ? A. Accelerate the neutrons B. Slow down the speed of the neutrons (Answer) C. Increase the number of elections D. Decrease the number of electrons E. None of these

Last Answer : B. Slow down the speed of the neutrons (Answer)

Description : Which one of the following refers to the first nuclear reactor of India ? (1) Rohini (2) Urvashi (3) Apsara (4) Kamini

Last Answer : Apsara

Description : Kaiga-II plant which supplies electricity is a (1) hydel project (2) coal project (3) nuclear power reactor (4) None of the above

Last Answer : nuclear power reactor

Description : The way the human body is powered, is it more like electronic engineering or a nuclear reactor?

Last Answer : It’s like a boiler that burns the food for fuel.

Description : Which of the 6 reactor cores at the Fukushima I nuclear power plant pose the most serious risks?

Last Answer : answer:Do we depend on robots if the situation gets worse? I would wager if suitable robots were available, they would already be on site.

Description : Which of the following is used as ‘a moderator in nuclear reactor? -General Knowledge

Last Answer : The answer is 'Graphite '

Description : Which of the following is used as ‘a moderator in nuclear reactor? -General Knowledge

Last Answer : answer: