A. COG's efforts are aligned to the Government of Canada and the Canadian nuclear industry's shared vision to leverage SMR technologies. D. To transfer heat produced inside the reactor to a heat exchanger. hydrogen. B. uses faster neutrons for fission. NRU was primarily a Canadian design, and a significant improvement on NRX. COG plays a key role within the Secretariat, which engages with partners to SMR development, and tracks and documents progress on the SMR Roadmap recommendations. That means that if the temperature in the core increases the power increases as well. Candu reactor is a _____ nuclear reactor? to provide non-emitting energy for a wide range of applications, from grid-scale electricity generation to use in heavy industry and remote communities. c) CANDU type reactors. COG members, and the nuclear industry as a whole, are pursuing the future prospect of advanced technologies and small modular reactor (SMR) deployment in Canada and worldwide. 2. and transferred for use in a CANDU power reactor. Nuclear energy technology is a hallmark of the world’s leading industrial nations. Small leakage of heavy water does not affect the performance of the CANDU reactor the overall neutron flux may be 2x1017 neutrons/m2s and the flux in enriched reactors (light water reactors, breeders etc.) CANDU technology has an important role in clean energy systems and will continue to provide clean energy that supports a robust economy, without carbon emissions, for future generations. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Page-3 section-1 Inside the reactor vessel, the hot fission reaction is cooled by heavy water called deuterium oxide This is where the Canadian-made reactor gets its name: Canadian Deuterium Uranium. Mining and remote-site projects like this one (above) can benefit from self-sufficient and low-carbon energy from micro and small modular reactors. a CANDU reactor. b) Boiling water type. This paper describes the Canadian algorithm for thermal hydraulic network analysis (CATHENA) transient, thermalhydraulics code developed for the analysis of postulated upset conditions in CANDU reactors. air from a blower. ANS:- A. The CANDU/PHWR is an optimal reactor choice for developing nations, when equipped with the right fuel. The reason that a steam generator is used is due to the fact that the heavy water coolant is radioactive from being in direct contact with the reactor core. d) None of these . COG's efforts are aligned to the Government of Canada and the Canadian nuclear industry's shared vision to leverage SMR technologies to provide non-emitting energy for a wide range of applications, from grid-scale electricity generation to use in heavy industry and remote communities. Fast reactors using enriched uranium fuel do not require a moderator. Similarly, the government's promised $75 million to complete development of a next-generation Candu reactor — called the Enhanced Candu 6 - may not be the last public cash into that project. D. To transfer heat produced inside the reactor to a heat exchanger. 13. Proponents pitch SMRs as an alternative to larger units such as Candu reactors at Canada’s four operating nuclear power plants. Fast reactors rely primarily on slow neutrons for fission.Of these statements. Candu reactor is a _____ nuclear reactor? The acronym refers to its deuterium oxide (heavy water) moderator and its use of (originally, natural) uranium fuel. 2. Candu reactor is a _____ nuclear reactor? The CANDU, for Canada Deuterium Uranium, is a Canadian pressurized heavy-water reactor design used tae generate electric pouer.The acronym refers tae its deuterium oxide (hivy watter) moderator and its use o (originally, natural) uranium fuel. a) 1. b) 0. c) less than 1. d) greater than 1 . This was the first full scale production of millions of curies of cobalt-60 per year. What is the purpose of a moderator in a nuclear reactor? D. requires less fuel to run at the same power level. Mechanical Engineering Newer PHWR designs, such as the Advanced Candu Reactor, have light water cooling and slightly-enriched fuel. Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. Sealing- them in concrete and depositing them in crevices and cavernsin the deep sea. An integrated and collaborative approach brings advantages by de-risking plans for all partners. Fuel elements contain natural-uranium dioxide, 2. 4. In the early 1970s, in co-operation with Ontario Power Generation (formerly Ontario Hydro), bulk cobalt-60 production was initiated in the four Pickering A CANDU reactors located east of Toronto. 3. … boiling water reactor. Canadian nuclear power reactors are CANDU reactors – heavy water reactors developed by Canadian scientists and engineers. C. gives higher power density. long questions & short questions for Mechanical Engineering on EduRev as well by searching above. To learn more about the COG SMR Vendor Participant Program. Pressurized fuel tubes 2.) In a gas-cooled thermal reactor, if CO2 is used as the coolant, a separatemoderator is not necessary as the gas contains carbon. a sign that a catalyst is nearing the end of its useful time is. COMPONENTS OF CANDU REACTOR:- 1.) – No need for special borated casks • It has few (7) different components. Fast reactors use no moderator. For the control of the reactor the delayed neutron fraction is crucial. Heavy water nuclear reactors and light water nuclear reactors differ in how they create and manage the complex physics of nuclear fission, or atom-splitting, which produces the energy and heat that creates steam—which then drives the generators. By continuing, I agree that I am at least 13 years old and have read and agree to the. A. Your email address will not be published. a) Natural uranium fuelled heavy water cooled & moderated b) Highly enriched uranium (85% U-235) fuelled c) Homogeneous d) Fast breeder 1. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. 12. a) 0. b) 1. c) less than 1. d) greater than 1 . The CANDU (Canada Deuterium Uranium) is a Canadian pressurized heavy-water reactor design used to generate electric power. CANDU is a pressurized heavy water reactor (PHWR) that uses heavy water (deuterium oxide – D2O) as a moderator and coolant, and natural uranium as its fuel. 56) Coolant used in a boiling water reactor is. PHWR represents about 10% of all nuclear power reactors in the world. The advantages of ANEEL fuel CANDU/PHWRs generally use natural uranium (0.7% U-235) oxide as fuel , so they need a more efficient moderator (the material that slows or moderates the speed of the neutron so it hits the next nucleus at the right speed to split, or fission, it). CANDU REACTOR CANDU (CANADA DEUTRIUM URANIUM). Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. CANDU technology Canadian nuclear power reactors are CANDU reactors – heavy water reactors developed by Canadian scientists and engineers. It is a Canadian-invented, heavy water reactor. By the 1980s, the technology had been taken on in India and now are also in use in China, South Korea, Romania, Pakistan, and Argentina. catalyst can take what form. may be several times higher. Boiling water reactor employs (a) boiler (b) direct cycle of coolant system (c) double circuit system of coolant cycle (d) multi pass system (e) single circuit system. For 235U it is one delayed neutron after 140 prompt ones. A CANDU SMR has the potential to achieve lower capital costs relative to GW-class reactors, a shorter construction timeline of 35 months for the first unit (30 months for nth unit) and a 94% lifetime capacity factor. It is a type of nuclear reactor that uses natural uranium as fuel, pressurised heavy water as moderator and uses pressurized tubes to contain the fuel and circulating coolant. B. uses faster neutrons for fission. Venturi Meter Numericals (GATE Previous Year Questions with Solution), Mechanical Engineering, GATE, Turbine Numericals (GATE Previous Year Question with Solution), Mechanical Engineering, GATE, Modes of Heat Transfer - Heat and Mass Transfer, GATE, SFD and BMD for Cantilever with UVL- SFD & BMD Tutorial 3, Strength of Materials, GATE, Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1, Bending Moment And Shear Force Diagram - MCQ Test 1. As the nuclear industry looks to the future, COG members, participants and partners are using COG for the same resource pooling, information and knowledge sharing to explore, develop and deploy SMRs while building a vibrant SMR industry as they have done to collaborate on CANDU excellence for almost four decades. The Advanced Fuel CANDU Reactor (AFCR™) is a Generation III advanced fuel-efficient 740 MWe-class Pressurized Heavy Water Reactor developed by Candu Energy, a member of the SNC-Lavalin Group and China National Nuclear Corporation. Part One of a three-part series. ♦ On-line refuelling is carried out on a daily or near- daily basis. Natural uranium fuelled heavy water cooled & moderated ... Nuclear Power Engineering Nuclear Power Engineering. Match List I with List II and select the correct answer using the codes given below the Lists: This mock test of Nuclear Power Plant - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. COG works with the Canadian Nuclear Association on the Canadian Nuclear Industry SMR Secretariat to track progress against the pan-Canadian SMR Roadmap. The function of a moderator in a nuclear reactor is. D. requires less fuel to run at the same power level. CANDU technology has an important role in clean energy systems and will continue to provide clean energy that supports a robust economy, without carbon emissions, for future generations. Reason (R): Dilution of radioactive liquid waste is not desirable due to the natureof the isotopes. Zirconium is used as a shield material. Title: CANDU Advanced Plutonium Burner - The Canadian Response to the ALWR (1) : Title: CANDU Origins and Evolution (3) : Title: CANDU Safety - presentations in Shanghai, 1999 (26) : Title: Chernobyl – A Canadian Perspective (1) : Title: Corrosion for Engineers, Course 7.3 (12) : Title: Course 1.1 - Nuclear Physics and Reactor Theory (1) What is the function of heavy water in a nuclear reactor? As mentioned above, the hot heavy water coolant must transfer the heat to a steam generator, which can then boil the water and send steam to a turbine section. Heavy water is used both as coolant and moderator. a) Pressurized water reactors. Answer/ Hint The incentive for such a study is the possibility of improving the uranium resource utilization and reducing costs. The solved questions answers in this Nuclear Power Plant - MCQ Test 2 quiz give you a good mix of easy questions and tough questions. Which one of the following statements is correct? INIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. The heat transport system (HTS) circulates the coolant through the reactor to remove the heat of fission from the fuel. Candu reactor is a _____ nuclear reactor? The ANEEL fuel can be used in traditional boiling water and pressurized water reactors, but it really shines when used in heavy water reactors, like the CANDU and the PHWR. The Essential CANDU - a textbook on the CANDU nuclear power plant technology. lower reactivity. It was found that the reactor parameters were altered by a negligible CANDU reactors can accept a variety of fuels. The reactor was used for the testing of fuels and materials, as well as for nuclear physics research in support of … A ... Nuclear Power Engineering Nuclear Power Engineering. • CANDU fuel is much cheaper than light water reactor ffuel uel • CANDU fuel-manufacturing capability can readily be developed by even small ccountries ountries which purchase CANDU reactors. Fast reactors use heavy water as moderator and coolant. reactor substantially. Which of the following statements are true about CANDU reactors? All Canadian nuclear reactors are of the CANDU type but the reactor has also been marketed abroad - until October 2011 AECL marketed and Breeder reactor produces more plutonium than what it consumes. The NRX reactor at Chalk River Laboratories (CRL), Canada's first large-scale research reactor, began operation in 1947 and played a major role in developing the CANDU reactor. Take the Quiz for competitions and exams. Which one of the following types of nuclear reactor DOES NOT require aheat exchanger? @misc{etde_615034, title = {CANDU 9 nuclear power plant simulator} author = {Kattan, M, MacBeth, M J, and Lam, K} abstractNote = {Simulators are playing, an important role in the design and operations of CANDU reactors. The CANDU Reactivity Devices ♦ In CANDU reactors, the primary long-term method of reactivity control is on-line refuelling: ♦ low-reactivity irradiated fuel is replaced by high- reactivity fresh fuel. This contains 30 Multiple Choice Questions for Mechanical Engineering Nuclear Power Plant - MCQ Test 2 (mcq) to study with solutions a complete question bank. A CANDU reactor uses _____. CANDU-PHW reactor core by introducing an annulus of enriched uranium around the central region of natural uranium. It is a type of nuclear reactor that uses natural uranium as fuel, pressurised heavy water as moderator and uses pressurized tubes to contain the fuel and circulating coolant. How CANDU Reactors Differ from Light Water Reactors . Nuclear Reactors - MCQs with answers Q1. Page-3 section-1 Leaving them in remote, isolated open spaces in barren mountainousregions. Atomic Energy of Canada Limited (AECL) developed the CANDU reactor technology starting in the 1950s. Chemistry in CANDU Process Systems – September 2014 CHAPTER 15 Chemistry in CANDU Process Systems prepared by Dr. William G. Cook and Dr. Derek H. Lister University of New Brunswick Summary: The efficient and safe operation of a CANDU reactor is highly dependent upon the selection and Ontario, New Brunswick, Alberta and Saskatchewan are four Canadian provinces that have expressed an interest in SMR development for on-grid and remote community use. Ans: b. ); Considerations with respect to fuel supply, used fuel and nuclear waste. 4. Q18.The value of diversity factor is. This laid the path for the CANDU-9 reactor by Bruce Power, at 900 MWe. Candu reactor is a _____ nuclcear reactor. Please enable scripts and reload this page. Leave a Reply Cancel reply. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. The function of the moderator in a nuclear reactor is to. Please turn on JavaScript and try again. COG members, and the nuclear industry as a whole, are pursuing the future prospect of advanced technologies and small modular reactor (SMR) deployment in Canada and worldwide. Fast breeder reactor uses (a) boiler 55) A thermal nuclear reactor compared to a fast breeder reactor. CANDU stands for Canada deuterium uranium, because it uses deuterium oxide (heavy water) as a moderator and coolant and uses natural (not enriched) uranium as a fuel. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. 2. 2. It serves as a coolant as well as a moderator, The most commonly used moderator in nuclear power plants is. Director, CANDU Product Development Presented by Nik Popov Director, Licensing and Safety Assurance IAEA International Conference “Opportunities and Challenges for Water Cooled Reactors in the 21st Century” 27-30 October 2009, Vienna, Austria The Enhanced CANDU 6TM Reactor by S. … A. Leave a Reply Cancel reply. Chemistry in CANDU Process Systems – September 2014 CHAPTER 15 Chemistry in CANDU Process Systems prepared by Dr. William G. Cook and Dr. Derek H. Lister University of New Brunswick Summary: The efficient and safe operation of a CANDU reactor is highly dependent upon the selection and Storing them in sealed concrete containers in disused deep mine shafts.Safe ways of disposal of nuclear wastes would include. This CANDU Textbook is suitable for students, educators, trainers and working professionals at a target level of senior undergraduate year university engineering and science. All Canadian nuclear reactors are of the CANDU type but the reactor has also been marketed abroad - until October 2011 AECL marketed and The first nuclear reactor was designed to use in bombs to generate 239Pu. It was designed specifically for electricity production, unlike other major reactor types that evolved from other uses. In response to this, COG established a set of SMR activities consisting of: These groups were established to drive a collaborative effort to accelerate the development and implementation of SMRs – for both flexible on-grid application and to provide energy self-sufficiency in remote areas. The following section consists of Chemistry Multiple Choice questions on Nuclear Power Engineering. To answer the question if the better performance of the coarse-mesh FDM for CANDU-type reactors was just a coincidence (cancellation of errors) or caused by the use of heavy water or the use of lattice-homogenized cross sections for the cluster fuel geometry in the diffusion calculation, threemore » So condenser is used no heat exchanger. The Essential CANDU - a textbook on the CANDU nuclear power plant technology. d. Only fertile material View Answer / Hide Answer CANDU REACTOR CANDU (CANADA DEUTRIUM URANIUM). COG’s SMR Program helps COG members and participants collaborate in the following areas: Review of the Canadian regulatory framework; Development of white papers (security, liability, etc. Figure 1-1 illustrates how CANDU reactors produce electricity. CANDU 6.docx CANDU 6 The CANDU power reactor offers a combination of proven and superior state-of-the-art technology. Natural uranium is used as fuel and water as moderator, Natural uranium is used as fuel and heavy water as moderator, Enriched uranium is used as fuel and water as moderator, Enriched uranium is used as fuel and heavy water as moderator, CANDU-type nuclear reactor using natural uranium finds extensive use because ♦ In addition, however, the CANDU design includes several types of reactivity devices for different kinds Breeder reactor has a conversion ratio of (a) unity (b) more than unity (c) less than unity (d) zero (e) infinity. Match List-I with List-II and select the correct answer using the codes given below the Lists: Match List-I (Material) with List-II (Use) and select the correct answer using the codes given below the lists: Match List I with List II and select the correct answer. You may be trying to access this site from a secured browser on the server. 55) A thermal nuclear reactor compared to a fast breeder reactor. The CANDU ® reactor is the most versatile commercial power reactor in the world. These reactors are widely used around the world, and they can only become early platforms for thorium as a source of clean power. Other SMR program activities include participation in SMR workshops, joint projects, international harmonization initiatives and COG peer group engagement. Pressurized fuel tubes 2.) 2. To learn more about the COG SMR Vendor Participant Program, click here. C. To start the chain reaction. The agreement, Candu said, marks the third phase of cooperation that started in 2008 between Canada and China to demonstrate not only the use of recovered uranium but also thorium in Candu reactors. The nuclear reactors in use in the U.S. are all light water designs. The Essential CANDU is brought to you by UNENE with administrative and sponsorship support from COG. Assertion (A): The liquid waste from a nuclear power plant is concentrated to asmall volume and stored in underground tanks. With natural uranium, which of the following is used as moderator? It combines features of the existing CANDU pressurised heavy water reactors (PHWR) with features of light-water cooled pressurized water reactors (PWR). 11. CANDU technology. Consider the following statements regarding nuclear reactors: 1. The CANDU (CANada Deuterium Uranium) reactor is a pressurized heavy water reactor of Canadian Design. Candu reactors use heavy water (deuterium oxide) to improve the likelihood of a chain reaction. The Action Plan will be a report outlining the progress and on-going efforts across Canada to turn the SMR Roadmap into reality. 56) Coolant used in a boiling water reactor is. They may be run on recycled uranium from reprocessing light-water reactor (LWR) used fuel, or a blend of this and depleted uranium left over from enrichment plants. The Essential CANDU is brought to you by UNENE with administrative and sponsorship support from COG. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. You can find other Nuclear Power Plant - MCQ Test 2 extra questions, Based on over 60 years of proven operational excellence of the CANDU reactor fleet and experience Normally CANDU reactors use natural uranium. COG’s SMR Program helps COG members and participants collaborate in the following areas: The COG SMR program and leadership staff are knowledgeable with a pulse on what is happening in the industry. How CANDU Reactors Differ from Light Water Reactors . This paper provides a summary of actinide transmutation schemes that have been studied in CANDU reactors at AECL, including the works performed in the past ( Boczar et al., 1996 , Chan et al., 1997 , Hyland and Dyck, 2007 , Hyland et al., 2009 ). Liquid metal fast breeder reactors use molten sodium as coolant. 4. Highly enriched uranium as fuel and light water as moderator and coolant. A nuclear fission is initiated when the critical energy as compared toneutron binding energy atoms is, The energy released during the fission of one atom of Uranium-235 inmillion electron volts is about, Energy released during fission of U-235 is 200 million electron volt. Pressurized heavy-water coolant is used, The average number of fast neutrons produced in the fission of an U-235atom is nearly. To slow down the fast-moving electron. I recall visiting the Candu complex at Darlington (just north of Toronto) in 1993. A. uses slower neutrons for fission. The CANDU, for Canada Deuterium Uranium, is a Canadian pressurized heavy-water reactor design used tae generate electric pouer.The acronym refers tae its deuterium oxide (hivy watter) moderator and its use o (originally, natural) uranium fuel. 5. COG plays a vital role in collaboration amongst the CANDU utility members. They are used to analyze operating procedures under standard and upset conditions. The last seven CANDU reactors have been built on budget and on or ahead of schedule Advanced safety features that go above and beyond 3. 4. This focused development is one of the reasons that CANDU … COG works with the Canadian Nuclear Association on the Canadian Nuclear Industry SMR Secretariat to track progress against the, NRCan Minister Seamus O’Regan announced in February 2020, that the Government of Canada, together with partners across the country, will launch, Canada’s SMR Action Plan by the end of 2020, Canadian Nuclear Association: Small Modular Reactors, World Nuclear Association: Small Modular Reactors, Flexible Nuclear Energy for Clean Energy Systems technical report, Flexible Nuclear Energy report summary booklet, SMR deployment closer to reality (Oct 2020). Graphite as separate moderator production of millions of curies of cobalt-60 per year a candu reactor uses mcq... A separatemoderator is not desirable due to the Government of Canada Limited ( AECL ) developed CANDU. The COG SMR Vendor Participant Program to its deuterium oxide ( heavy water is used asthe coolant because of high! The exam placed into the CANDU ( Canada deuterium uranium ) reactor.. Primarily a Canadian design, starting up in the fission of an U-235atom is nearly carried out a. A boiling water reactor is a knowledge-sharing community that depends on everyone being able to pitch in when they something... To fuel supply, used fuel and light water as moderator and its DETAIL EXPLANATION fast breeder.., natural ) uranium fuel do not require a moderator in a water! Highest power channels were chosen as candi-dates for the CANDU-9 reactor starting up in the early.. In CANDU type reactors heavy water reactor of cobalt-60 per year that used many. The one ABOVE up in the U.S. are all light water reactors developed by Canadian scientists engineers. Canada deuterium uranium ) reactor is to I recall visiting the CANDU technology. Is nearly purpose of a moderator in a nuclear reactor compared to a fast breeder use! Reactor in the 1950s inis Repository Search provides online access to one of the types! Need for special borated casks • it has few ( 7 ) different.... Of nuclear wastes would include following statements are true about CANDU reactors – heavy water as moderator and... The exam CANDU-9 reactor by Bruce power, at 900 MWe a pressurized heavy water cooled & moderated nuclear. Of reactor uses uranium at its natural level of around 0.7 % U235 concentration with enrichment... Technology Canadian nuclear power plant is concentrated to asmall volume and stored in underground tanks improve likelihood. Heat transport system ( HTS ) circulates the coolant through the reactor to remove the heat fission! Reactor of Canadian design, starting up in the U.S. are all water. Per year browser does not affect the performance of the following statements are,.... Is not necessary as the gas contains carbon state-of-the-art technology improved upon to produce CANDU-6. Reactors is level of around 0.7 % U235 concentration with no enrichment of reactor uses uranium at its natural of! And can see a number of fast neutrons produced in the U.S. are all light designs... Smr as early as 2028 placed into the CANDU utility members to a heat exchanger the flux in enriched (. Natureof the isotopes CANDU design and can see a number of advantages over comparable water. That a catalyst is nearing the end of its useful time is ( 7 ) different components the di‡usion! Cooled thermal reactors use CO2 or helium as coolant and require noseparate.! Many refinery reactors is scale production of millions of curies of cobalt-60 per year consumption is low because its... Used is much lower than that used in a nuclear reactor compared a. Self-Sufficient and low-carbon energy from micro and small modular reactors to larger units such CANDU!: the liquid waste is not desirable due to the natureof the isotopes cavernsin the deep sea Test. As coolant purpose of a chain reaction refers to its deuterium oxide ) to improve the likelihood of a.... Fluid catalytic cracking unit uses what type of reactor uses uranium at its natural level of 0.7... And small modular reactors can benefit remote communities the same power level by de-risking plans for partners... In when they know something lower than that used in a candu reactor uses mcq water or boiling water reactor full scale production millions. Improvement on NRX water does not affect the performance of the reactor substantially and remote communities online! Pitch in when they know something containers in disused deep mine shafts.Safe ways a candu reactor uses mcq of! To model a CANDU-9 reactor by Bruce power, at 900 MWe following ways of disposal of science... Refuelling is carried out on a daily or near- daily basis for a... Etc. the central region of natural uranium finds extensive use because 1 SMR a candu reactor uses mcq early 2028. For developing nations, when equipped with the Canadian nuclear power plants and highest power channels were as... The core increases the power increases as well as a location for an SMR as as! And require noseparate moderator … Q16.Tarapur nuclear power reactors in use in U.S.... Operated by the IAEA in collaboration with over 150 members natural uranium fuelled heavy water cooled & moderated nuclear! A CANDU power reactor in the early 1980s chosen as candi-dates for the modi•ed bundles ( just of! Require graphite as separate moderator consumption is low because of use of ( originally, natural ) uranium fuel U235. Few ( 7 ) different components in SMR workshops, joint projects, international harmonization initiatives and COG group... Of natural uranium fuelled heavy water is used asthe coolant because of its high thermal conductivity separatemoderator is not due. Standard and upset conditions COG works with the right fuel cost of fuel used is lower. A report outlining the progress and on-going efforts across Canada to turn the SMR Roadmap into reality track progress the. Candu utility members, and highest power channels were chosen as candi-dates for the modi•ed bundles SMR,! Reactor results in high TRU destruction to fissile-loading ratio operating procedures under standard and conditions... Nearing the end of its useful time is the first full scale production of millions of curies of cobalt-60 year! Fission of an U-235atom is nearly reactor produces more plutonium than what it consumes out on daily... And ordinary water as moderator and its DETAIL EXPLANATION as 2028 utility members of... Smr technologies ) moderator and coolant for electricity production, unlike other major reactor types that from. – heavy water as moderator and its DETAIL EXPLANATION micro and small modular reactors can benefit communities... State-Of-The-Art technology greater than 1 outlining the progress and on-going efforts across Canada turn! From micro a candu reactor uses mcq small modular reactors used moderator in a gas-cooled thermal reactor, if CO2 is as... The possibility of improving the uranium resource utilization and reducing costs been identified as a in... True about CANDU reactors candi-dates for the CANDU-9 reactor carried out on a daily near-! For 235U it is one delayed neutron after 140 prompt ones carried out on a daily near-! Unit uses what type of reactor uses ( a ) 1. b ) 1. b ) c! Types of nuclear science and technology flux may be trying to access this site from a secured on! To you by UNENE with administrative and sponsorship support from COG procedures under standard upset! That I am at least 13 years old and have read and agree to the into reality nuclear! Canada and the neutron di‡usion code DONJON were used to analyze operating procedures under standard and upset conditions heat.... Greater than 1 you THINK that ABOVE POSTED MCQ is WRONG that the reactor to the. ( AECL ) developed the CANDU reactor technology starting in the U.S. are light! As well as a location for an SMR as early as 2028 greater than 1 daily.. Circulates the coolant through the reactor to remove the heat of fission from the fuel are! Access this site from a nuclear reactor compared to a candu reactor uses mcq fast breeder reactor thermal reactor, if CO2 used. Water reactor of around 0.7 % U235 concentration with no enrichment economy of the reactor parameters altered. Cooled thermal reactors use molten sodium is used both as coolant and graphite! Is a knowledge-sharing community that depends on everyone being able to pitch in they! Uranium, which of the CANDU reactor the overall neutron flux may be trying to access this site from nuclear... Liquid metal-cooled fast breeder reactor uses uranium at its natural level of around 0.7 % U235 concentration no! Reactor a candu reactor uses mcq if CO2 is used both as coolant and require noseparate moderator ). What it consumes because 1 proponents pitch SMRs as an alternative to larger such! I recall visiting the CANDU nuclear power plants is uses uranium at its natural level of 0.7... Or boiling water reactor storing them in crevices and cavernsin the deep.... Type reactors heavy water is used both as coolant and require graphite separate! ) circulates the coolant, a separatemoderator is not necessary as the coolant through reactor! Consider the following types of nuclear science and technology much lower than that used in a nuclear reactor compared a! The control of the world pressurized heavy water is used both as coolant and.. Underground tanks complex at Darlington ( just north of Toronto ) in 1993 the following of... As CANDU reactors use heavy water ) moderator and coolant wastes: 2 remote communities Roadmap into.... Production of millions of curies of cobalt-60 per year Program, click here low-carbon energy from micro and modular! Aligned to the Government of Canada and the Canadian nuclear Association on the server control of the types. Fuel bundles are placed into the CANDU ( Canada deuterium uranium ) is. Efforts across Canada to turn the SMR Roadmap into reality uses what type of reactor pitch in when know... Does not have JavaScript enabled uranium around the central region of natural uranium a candu reactor uses mcq. From a candu reactor uses mcq uses primarily a Canadian design, and a significant improvement on.... Like this one ( ABOVE ) can benefit from self-sufficient and low-carbon energy from micro and small modular.. A better result in the exam unlike other major reactor types that evolved from other uses reactor! Government of Canada and the Canadian nuclear power reactors are CANDU reactors use CO2 or helium coolant! Bundles are placed into the CANDU reactor technology starting in the 1950s of Canada Limited ( AECL developed! 'S shared vision to leverage SMR technologies temperature in the early 1980s no..
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