Which reactor requires no moderator ?

1 Answer

Answer :

Breeder reactor.

Related questions

Description : Which reactor requires no moderator ?

Last Answer : Breeder reactor.

Description : Which reactor has no moderator ? Fast breeder reactor.

Last Answer : Fast breeder reactor.

Description : Which reactor uses heavy water as moderator ?

Last Answer : CANDU.

Description : Which nuclear reactor uses water as a coolant, moderator and reflector ?

Last Answer : Pressurised water reactor.

Description : In which reactor the coolant and moderator are the same ? Pressurised water reactor.

Last Answer : Pressurised water reactor.

Description : __________ moderator is used in a fast breeder reactor. (A) Graphite (B) Heavy water (C) Beryllium (D) No

Last Answer : (D) No

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:

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

Last Answer : 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 : Which of the following is used as ‘a moderator in nuclear reactor?

Last Answer : – Graphite

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 : The moderator used in a nuclear reactor is – (1) Uranium (2) Radium (3) Ordinary water (4) Graphite

Last Answer : (3) Ordinary water Explanation: Light water (ordinary water) is used as the moderator in U.S. reactors as well as the cooling agent. It acts as the means by which heat is removed to produce steam for turning the turbines of the electric generators.

Description : In nuclear reactor, heavy water is used as – (1) coolant (2) fuel (3) moderator (4) atomic smasher

Last Answer : (3) moderator Explanation: Heavy water is used in certain types of nuclear reactors where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with ... do not require uranium enrichment, heavy water reactors are of concern in regards to nuclear proliferation.

Description : what is function of Moderator in nuclear reactor?

Last Answer : The moderator is a material which slows down the speed of the neutrons. The moderator is usually made from water but some reactors use graphite also.Neutrons released from the chain reaction must be ... moderator slows the neutrons down so that they can be captured and keep the chain reaction going.

Description : Which of the following is used as a moderator in nuclear reactor?

Last Answer : Graphite

Description : Which of the following is used as a moderator in nuclear reactor?

Last Answer : Graphite

Description : Heavy water (D2O) in a nuclear reactor serves as a (A) Coolant (B) Moderator (C) Both (A) & (B) (D) Neutron absorber

Last Answer : (C) Both (A) & (B)

Description : In a pressurised water reactor (PWR), the (A) Fuel is natural uranium and heavy water acts both as moderator & coolant (B) Coolant water boils in the core of the reactor (C) Coolant water is pressurised to prevent bulk boiling of water in the core (D) Use of moderator is not required

Last Answer : (C) Coolant water is pressurised to prevent bulk boiling of water in the core

Description : In a homogeneous nuclear reactor, the __________ are mixed together. (A) Fuel & coolant (B) Fuel & moderator (C) Coolant & moderator (D) None of these

Last Answer : (B) Fuel & moderator

Description : A homogeneous reactor is the one, in which the (A) Fissile atoms are evenly distributed throughout the mass of nuclear reactor (B) Same substance (e.g. heavy water) is used as moderator & coolant (C) The fuel and the moderator is mixed to form a homogeneous material (D) All (A), (B) and (C)

Last Answer : (C) The fuel and the moderator is mixed to form a homogeneous material

Description : Which of the following is not used as a moderator in nuclear reactor? (A) Molten sodium (B) Light water (C) Beryllium (D) Boron hydride

Last Answer : (A) Molten sodium

Description : A pressurised water reactor (PWR) uses pressurised water as a (A) Coolant (B) Working fluid in power turbine (C) Moderator (D) None of these

Last Answer : (A) Coolant

Description : A fast breeder reactor (A) Uses natural uranium as fuel (B) Does not require a moderator (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (B) Does not require a moderator

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

Last Answer : Graphite

Description : A fast breeder reactor employs (A) Graphite as moderator (B) Water as coolant (C) Molten sodium as coolant as well as moderator (D) U-235 as fuel

Last Answer : (D) U-235 as fuel

Description : Heavy water is used as a moderator in a (A) Pressurised water reactor (PWR) (B) Boiling water reactor (BWR) (C) Candu reactor (D) Molten sodium cooled reactor

Last Answer : (C) Candu reactor

Description : Which of the following may not need a moderator? (A) Candu reactor (B) Fast breeder reactor (C) Homogeneous reactor (D) Pressurised water reactor

Last Answer : (B) Fast breeder reactor

Description : A heterogeneous reactor is the one, in which the moderator and the (A) Coolant are different materials (B) Coolant are present in different phases (e.g., heavy water and graphite) (C) Fuel are present in different phases (e.g. uranium and heavy water) (D) None of these

Last Answer : (C) Fuel are present in different phases (e.g. uranium and heavy water

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 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 : Graphite is a/an (A) Electrical insulator (B) Allotrope of carbon (C) Moderator used in nuclear reactor (D) Both (B) and (C)

Last Answer : (C) Moderator used in nuclear reactor

Description : The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Last Answer : ANSWER: Y -- COOLING TOWER

Description : In a light-water reactor, the coolant is ordinary water. What is the moderator?

Last Answer : ANSWER: WATER or THE SAME WATER

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

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Last Answer : Answer : 1. Wool 2. New Delhi 3. Graphite 4. Mars 5. Afghanistan 6. Bangladesh 7. 9 players each 8. Thyroid gland 9. Jupiter 10. Grama 11. Jawaharlal Nehru 12. Plutonium 13. After the drought ... Philosophy 16. A House for Mr. Biswas 17. Gambusia 18. Right to freedom 19. Celestial pole 20. Brahmi

Description : The moderator used in a nuclear reactor is (1) Uranium (2) Radium (3) Ordinary water (4) Graphite

Last Answer : Ordinary water

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 : In nuclear reactor, heavy water is used as (1) coolant (2) fuel (3) moderator (4) atomic smasher

Last Answer : moderator

Description : A thermal nuclear reactor compared to a fast breeder reactor (A) Uses slower neutrons for fission (B) Uses faster neutrons for fission (C) Gives higher power density (D) Requires less fuel to run at the same power level

Last Answer : (A) Uses slower neutrons for fission

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Last Answer : (C) Either of the arrangement (A) or (B) will give the same yield

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Description : Which reactor uses primary coolant as fluoride salts of lithium, beryllium, thorium and uranium ?

Last Answer : Molten salt breeder reactor.

Description : Which reactor uses natural uranium as fuel ?

Last Answer : Gas cooled reacator.

Description : Which reactor produces more fissionable material than it consumes ?

Last Answer : Breeder reactor.

Description : Explain nuclear reactor in brief.

Last Answer : A plant which initiates, sustains, controls and maintains nuclear fission chain reaction and provides shielding against radioactive radiation is nuclear reactor.

Description : What is a converter reactor ?

Last Answer : A reactor plant which is designed to produce more fuel than it consumes. The breeding is obtained by converting fertile material to fissile material.

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Last Answer : It has rapid self breeding of fissile fuel during the operation of the reactor, and thus, it offers about sixty times the output with same natural uranium resources through ordinary non-breeder nuclear reactor.

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Last Answer : 4&5