‘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.’ View Answer Discuss. 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. configured to produce more fissile material than it consumes, using fertile material such as depleted uranium in a blanket around the core. Natural uranium as fuel and heavy water as moderator and coolant. d. Only fertile material View Answer / Hide Answer ... Breeder reactors employ liquid metal coolant because it . Which of the following may not need a moderator? Which of the following statements is correct? 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. These reactors signify about 12% of the nuclear reactors globally. 3. 2. B Produces maximum steam . 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. Nuclear Reactors - MCQs with answers Q1. The unit of radioactivity is. Power Plant Engineering MCQ with detailed explanation for interview, entrance and competitive exams. In a heterogeneous or solid-fuel reactor, the fuel is mixed in a regular pattern within moderator. In fast breeder reactors. Ans: e; The first unclear power plant in India is located at (a) Kota (b) Kalapakkam (c) Tarapur (d) Baraeilly (e) Kerala. 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. Take the Quiz for competitions and exams. 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. 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. The reactor fuel is surrounded by a "blanket" of non-fissionable U-238. It will use plutonium-uranium oxide as fuel. The fast breeder reactor uses the following 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. light water reactors. Fast breeder reactors use fast neutrons to sustain the fission reaction as well as breeding. Ans: c 35. In a heterogeneous or solid fuel reactor, the fuel is mixed in regular pattern within moderator : B). ... A fast breeder reactor . C Higher . a) Electron-volt. Correct Answer. Pick up the wrong statement Fast breeder reactors. The advantage with a breeder reactor is that it generates more fissile material than it consumes. Ans: e. 34. B. Gas-cooled Reactors b. 77. The fast breeder reactor uses the following moderator (a) demineralised water (b) carbon dioxide (c) heavy water (d) graphite (e) no moderator is used. 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). These are mainly used at all Canadian nuclear stations. A. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. A). fast neutrons have energies above 1000 eV : D). c. Enriched uranium as fuel and ordinary water as moderator and coolant. 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. These reactors use heavy water like both coolant & moderator. Boiling water reactor uses the following as. The construction of the fast breeder requires a higher enrichment of U-235 than a light-water reactor, typically 15 to 30%. In this reactor no moderator is used. A breeder reactor in which the neutrons causing fission are not slowed by any moderator. The most common breeding reaction is an absorbtion reaction on uranium-238, where a plutoniu… According to a study in Robert A. Ristinen an… No moderator is used in the breeder reactor since fast neutrons are more efficient in transmuting U-238 to Pu-239. c) Fast neutrons have energies above 1000 ev. ⇒ 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 Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07 Practice Test: Question Set - 07 1. The reactor fuel is surrounded by a "blanket" of non-fissionable U-238. This plutonium can then be used as fuel in subsequent cycles. Like a traditional nuclear reactor a breeder reactor uses fission of nuclear materials to create energy. Thus this reactor is important because it breeds fissionable material from fertile material U238 available in large quantities. 9. Breeder reactors use a small core, which is important to sustain chain reactions. a) Candu Reactor b) Fast Breeder Reactor ... Fast breeder reactors do not use Thorium-232 as fuel. 2. Our country has large deposits of thorium resource but a limited one of uranium resource. 0. B Has powerful moderator . Highly enriched uranium as fuel and light water as moderator and coolant. 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 It … 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 boiling water reactor uses following as fuel (a) enriched uranium (b) plutonium (c) thorium (d) U (e) natural uranium. It uses Lead-cooled fast reactor. 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. Ans: c. 35. d) Fast reactor uses moderator . The first unclear power plant in India is located at (a) Kota (b) Kalapakkam (c) Tarapur (d) Baraeilly (e) Kerala. ... the coolant most suitable for a fast breeder reactor is. waste with low levels of radioactivity that is not classified into one of the other categories. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is . The first unclear power plant in India is located at (a) Kota (b) Kalapakkam (c) Tarapur (d) Baraeilly (e) Kerala. b) Electron-ampere. 0. 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. c) Curie. A CANDU reactor uses _____. d) Mev . Which of these reactors use ordinary water as the moderator and a coolant? 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. 5) Which of the following is true about Prototype Fast Breeder Reactor? b) Are liquid-metal cooled. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. 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. Multiple Choice Question (MCQ) of Electronics page-17:241. a. A breeder reactor is essentially a particular configuration of afast reactor. A Acts as good moderator . No moderator is used in the breeder reactor since fast neutrons are more efficient in transmuting U-238 to Pu-239. Q. Ans: a 78. Q9. The fast breeder reactor uses the following moderator (A) Demineralised water (B) Carbon dioxide (C) Heavy water (D) No moderator is used. A Same . ... A Any type of moderator can be used . Which among the following is the fuel used in fast breeder test reactor at Kalpakkam? A boiling water reactor is the one, in which the _____ ... here is complete set of 1000+ Multiple Choice Questions and Answers. B Graphite is used as the moderator . Fast neutron: Neutron released during fission, travelling at very high velocity (20,000 km/s) and having high energy (c 2 MeV). Slow or thermal neutrons have energy of the order 0.025 eV : C). 1. The biggest difference is that a plutonium breeder reactor produces more plutonium than it consumes. The construction of the fast breeder requires a higher enrichment of U-235 than a light-water reactor, typically 15 to 30%. F. Fast breeder reactor (FBR): A fast neutron reactor (q.v.) A Uses graphite rods as moderator . 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. In fast breeder reactors_____? The following section consists of Chemistry Multiple Choice questions on Nuclear Power Engineering. Ans: e 34. Q8. Which of the following statement is true? Freon group of refrigerants are (A) Inflammable (B) … the largest reserves of uranium lie in. 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