Breeder reactors use a small core, which is important to sustain chain reactions. In a heterogeneous or solid fuel reactor, the fuel is mixed in regular pattern within moderator : B). d) Mev . B Has powerful moderator . In fast breeder reactors_____? A boiling water reactor uses following as fuel (a) enriched uranium (b) plutonium (c) thorium (d) U (e) natural uranium. Natural uranium as fuel and heavy water as moderator and coolant. The reactor fuel is surrounded by a "blanket" of non-fissionable U-238. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07 Practice Test: Question Set - 07 1. 3. As a fuel, it uses natural uranium because, in a pressurized water reactor, the coolant can be used for boiling normal water in a different loop. moderator, coolant and working fluid (a) Ordinary fluid ... reactor as compared to fast breeder reactor is (a) Same (b) Lower (c) Higher (d) Unity. A. ⇒ A fast breeder reactor uses following as fuel enriched uranium plutonium thorium U235 ⇒ The most commonly used moderator in nuclear plants is heavy water concrete and bricks graphite and concrete deuterium ⇒ In fast breeder reactors any type of moderator can be used graphite is used as the moderator heavy water is used as the moderator This plutonium can then be used as fuel in subsequent cycles. Our country has large deposits of thorium resource but a limited one of uranium resource. Fast neutron: Neutron released during fission, travelling at very high velocity (20,000 km/s) and having high energy (c 2 MeV). No moderator is used in the breeder reactor since fast neutrons are more efficient in transmuting U-238 to Pu-239. The fast moving neutrons liberated due to fission of U235 are absorbed by U238 which gets converted into fissionable material Pu239 which is capable of sustaining chain reaction. B Lower . Ans: e 34. a) Operate at extremely high power densities. In this reactor no moderator is used. It does this by using its extra fission neutrons to convert uranium-238 to uranium-239, which changes by radioactive decays involving electron emission into neptunium-239 and then plutonium-239. 77. c) Curie. Boiling water reactor uses the following as. The fast breeder reactor uses the following moderator (a) demineralised water (b) carbon dioxide (c) heavy water (d) graphite (e) no moderator is used. Nuclear Reactors - MCQs with answers Q1. b. b) Are liquid-metal cooled. The fast breeder reactor uses the following moderator (a) demineralised water (b) carbon dioxide (c) heavy water (d) graphite (e) no moderator is used. A CANDU reactor uses _____. ... A fast breeder reactor . c. Enriched uranium as fuel and ordinary water as moderator and coolant. The fast breeder reactor uses the following moderator (A) Demineralised water (B) Carbon dioxide (C) Heavy water (D) No moderator is used. The most common breeding reaction is an absorbtion reaction on uranium-238, where a plutoniu… B Graphite is used as the moderator . A). c) Produce more fuel than they consume. These reactors signify about 12% of the nuclear reactors globally. 2. Also in the second stage, fast breeder reactors (FBRs) would use Plutonium-239, recovered by reprocessing spent fuel from the first stage, and natural uranium. ... the coolant most suitable for a fast breeder reactor is. B Produces maximum steam . These are mainly used at all Canadian nuclear stations. Which among the following is the fuel used in fast breeder test reactor at Kalpakkam? A fast breeder reactor is a small vessel in which the required quantity (correspond­ing to critical mass) of enriched uranium or plutonium is kept without a moderator. According to a study in Robert A. Ristinen an… d. Only fertile material View Answer / Hide Answer Ans: e; The first unclear power plant in India is located at (a) Kota (b) Kalapakkam (c) Tarapur (d) Baraeilly (e) Kerala. The biggest difference is that a plutonium breeder reactor produces more plutonium than it consumes. c) Fast neutrons have energies above 1000 ev. Gas-cooled Reactors the largest reserves of uranium lie in. Answer: [C] Thorium Notes: Please note that Kamini is the only reactor in the world to use Uranium-233 type fuel, which is converted from Thorium. Fast reactors generally have an excess of neutrons (due to low parasitic absorbtion), the neutrons given off by fission reactions can “breed” more fuel from otherwise non-fissionable isotopes or can be used for another purposes (e.g.transmutation of spent nuclear fuel). The integral fast reactor (IFR, originally advanced liquid-metal reactor) is a design for a nuclear reactor using fast neutrons and no neutron moderator (a "fast" reactor).IFR would breed more fuel and is distinguished by a nuclear fuel cycle that uses reprocessing via electrorefining at the reactor site. The construction of the fast breeder requires a higher enrichment of U-235 than a light-water reactor, typically 15 to 30%. 1. A breeder reactor is essentially a particular configuration of afast reactor. Correct Answer. Power Plant Engineering MCQ with detailed explanation for interview, entrance and competitive exams. Slow or thermal neutrons have energy of the order 0.025 eV : C). Which of the following statement is true? The following section consists of Chemistry Multiple Choice questions on Nuclear Power Engineering. It uses Lead-cooled fast reactor. waste with low levels of radioactivity that is not classified into one of the other categories. A Uses graphite rods as moderator . b) Electron-ampere. B. In fast breeder reactors. Like a traditional nuclear reactor a breeder reactor uses fission of nuclear materials to create energy. It … Slow or thermal neutrons have energy of the order or 0.025 eV C. Fast neutrons have energies above 1000 eV D. Fast reactor uses moderator E. Most serious drawback in using water as coolant in nuclear plants is its high vapour pressure Q. Highly enriched uranium as fuel and light water as moderator and coolant. Power Plant Engineering MCQ with detailed explanation for interview, entrance and competitive exams. Ans: c. 35. Q9. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is . Pick up the wrong statement Fast breeder reactors. The non-fissile isotopes 238 U and 232 Th are converted to fissile isotopes of 239 Pu and 233 U, respectively, thus producing fresh fuel during reactor operation. Which of the following statements is correct? A fast breeder reactor (a) uses graphite rods as moderator (b) has powerful moderator (c) has no moderator (d) uses ferrite material as moderator (e) uses pressurized water as moderator. 2. a) Candu Reactor b) Fast Breeder Reactor ... Fast breeder reactors do not use Thorium-232 as fuel. Which of these reactors use ordinary water as the moderator and a coolant? The fast breeder reactor uses the following moderator_____? 0. ‘The plutonium was now to be separated out so that it could be recycled into a new type of reactor known as the fast breeder.’ 0. The advantage with a breeder reactor is that it generates more fissile material than it consumes. The reactor fuel is surrounded by a "blanket" of non-fissionable U-238. The first unclear power plant in India is located at (a) Kota (b) Kalapakkam (c) Tarapur (d) Baraeilly (e) Kerala. Q8. A Same . Ans: a 78. fast reactor uses moderator fast neutrons have energies above 1000 eV : D). The first unclear power plant in India is located at (a) Kota (b) Kalapakkam (c) Tarapur (d) Baraeilly (e) Kerala. MCQ quiz on Nuclear Power Plant multiple choice questions and answers on Nuclear Power Plant MCQ questions on Nuclear Power Plant objectives questions with answer test pdf for interview preparations, freshers jobs, and competitive exams. Freon group of refrigerants are (A) Inflammable (B) … Fast breeder reactors use fast neutrons to sustain the fission reaction as well as breeding. Thus this reactor is important because it breeds fissionable material from fertile material U238 available in large quantities. A Acts as good moderator . Take the Quiz for competitions and exams. Ans: e. 34. D Unity . a) Electron-volt. The construction of the fast breeder requires a higher enrichment of U-235 than a light-water reactor, typically 15 to 30%. These reactors use heavy water like both coolant & moderator. 9. 5) Which of the following is true about Prototype Fast Breeder Reactor? ... it was found that the number of active nuclei in B was twice that of A. In contrast to most normal nuclear reactors, however, a fast reactor uses a coolant that is not an efficient moderator, such as liquid sodium, so its neutrons remain high-energy. It will use plutonium-uranium oxide as fuel. C Higher . The unit of radioactivity is. light water reactors. View Answer Discuss. No moderator is used in the breeder reactor since fast neutrons are more efficient in transmuting U-238 to Pu-239. ... Breeder reactors employ liquid metal coolant because it . A boiling water reactor is the one, in which the _____ ... here is complete set of 1000+ Multiple Choice Questions and Answers. Which of the following may not need a moderator? ... A Any type of moderator can be used . Ans: c 35. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. d) Fast reactor uses moderator . The fast breeder reactor uses the following moderator (a) demineralised water (b) carbon dioxide (c) heavy water (d) graphite (e) no moderator is used. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. Fast Breeder Reactor – Nuclear Power Plant Reactor Such reactors are designed to produce more fissile material (Plutonium) than they consume (Thorium Th-232). liquid metal fast breeder reactor (LMFBR) nuclear fission reactor using liquid sodium as the moderator and heat transfer medium; process radioactive plutonium-235 (nuclear fuel) low level radioactive waste. The breeding gain in case of thermal breeder reactor is that a plutonium breeder reactor produces more than. 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