a candu reactor uses mcq

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 ). C. gives higher power density. Which one of the following types of nuclear reactor DOES NOT require aheat exchanger? CANDU REACTOR CANDU (CANADA DEUTRIUM URANIUM). Take the Quiz for competitions and exams. 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. Highly enriched uranium as fuel and light water as moderator and coolant. B. • 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. To slow down the fast-moving electron. This CANDU Textbook is suitable for students, educators, trainers and working professionals at a target level of senior undergraduate year university engineering and science. In liquid metal-cooled fast breeder reactors, molten sodium is used asthe coolant because of its high thermal conductivity. Canada also pioneered use of cobalt-60 for medical diagnosis in 1951 and currently the NRU reactor produces the medical-use cobalt-60, while selected CANDU reactors produce industrial-use cobalt-60, comprising 85% of the world's supply. C. To start the chain reaction. The nuclear reactors in use in the U.S. are all light water designs. D. To transfer heat produced inside the reactor to a heat exchanger. ​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. Canadian nuclear power reactors are CANDU reactors – heavy water reactors developed by Canadian scientists and engineers. 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. The CANDU (CANada Deuterium Uranium) reactor is a pressurized heavy water reactor of Canadian Design. To speed up the slow-moving electrons. Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. This focused development is one of the reasons that CANDU … This CANDU Textbook is suitable for students, educators, trainers and working professionals at a target level of senior undergraduate year university engineering and science. b) Boiling water type. Answer/ Hint 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 55) A thermal nuclear reactor compared to a fast breeder reactor. B. uses faster neutrons for fission. The Essential CANDU - a textbook on the CANDU nuclear power plant technology. CANDU reactors have a positive temperature coefficients. INIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. They provide a valuable resource and bring an important contribution to the industry as it builds an SMR fleet to be deployed in the years to come. What is the purpose of a moderator in a nuclear reactor? It combines features of the existing CANDU pressurised heavy water reactors (PHWR) with features of light-water cooled pressurized water reactors (PWR). The boiler used in the Nuclear Power Station at Tarapore, is of the, The moderator used in a fast breeder nuclear reactor is, Graphite, liquid sodium or beryllium oxide. Pressurized fuel tubes 2.) Candu reactors use heavy water (deuterium oxide) to improve the likelihood of a chain reaction. catalyst can take what form. 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) 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. Fast reactors rely primarily on slow neutrons for fission.Of these statements. 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. An integrated and collaborative approach brings advantages by de-risking plans for all partners. It looks like your browser does not have JavaScript enabled. Answer/ Hint This was the first full scale production of millions of curies of cobalt-60 per year. It is a Canadian-invented, heavy water reactor. Fuel consumption is low because of use of heavy water. a sign that a catalyst is nearing the end of its useful time is. With natural uranium, which of the following is used as moderator? Learn Power Plant Engineering MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. 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. … Newer PHWR designs, such as the Advanced Candu Reactor, have light water cooling and slightly-enriched fuel. CANDU reactors can accept a variety of fuels. Sealing- them in concrete and depositing them in crevices and cavernsin the deep sea. The core of a CANDU reactor consists of a large number of hor CANDU reactors can accept a variety of fuels. The SMR Technology Forum (SMRTF) and related SMR Task Teams; The COG SMR Vendor Participant Program (SMR VPP); and. 2. Zirconium is used as a shield material. 2. Reason (R): Dilution of radioactive liquid waste is not desirable due to the natureof the isotopes. Fast reactors use heavy water as moderator and coolant. The Action Plan will be a report outlining the progress and on-going efforts across Canada to turn the SMR Roadmap into reality. To slow down the fast-moving electron. 2. … The function of a moderator in a nuclear 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. a) 0. b) 1. c) less than 1. d) greater than 1 . New Brunswick Power is part of a research program looking at the potential in SMRs for the province, which could benefit its small communities and urban areas like Saint John, (lower photo). ​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. 4. How CANDU Reactors Differ from Light Water Reactors . The CANDU/PHWR is an optimal reactor choice for developing nations, when equipped with the right fuel. 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. D. requires less fuel to run at the same power level. 3. Pressurized fuel tubes 2.) AECL says it is the safety features and efficient design of the CANDU that has attracted other countries to use the Canadian-made reactor. C. gives higher power density. The acronym refers to its deuterium oxide (heavy water) moderator and its use of (originally, natural) uranium fuel. Nuclear Reactors - MCQs with answers Q1. ♦ On-line refuelling is carried out on a daily or near- daily basis. It contains 0,711 % 235U. 1. 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. a) 1. b) 0. c) less than 1. d) greater than 1 . 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. students definitely take this Nuclear Power Plant - MCQ Test 2 exercise for a better result in the exam. Other SMR program activities include participation in SMR workshops, joint projects, international harmonization initiatives and COG peer group engagement. Heavy water is used both as coolant and moderator. 4. Fast reactors use no moderator. 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. a fluid catalytic cracking unit uses what type of reactor system. 4. A. uses slower neutrons for fission. to provide non-emitting energy for a wide range of applications, from grid-scale electricity generation to use in heavy industry and remote communities. 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. Q18.The value of diversity factor is. Both A and R are individually true and R is the correct explanation of A, Both A and R are individually true but R is not the correct explanation of A, With graphite as moderator and water as coolant, As moderator and sodium, graphite and water together as coolant. This contains 30 Multiple Choice Questions for Mechanical Engineering Nuclear Power Plant - MCQ Test 2 (mcq) to study with solutions a complete question bank. It has the potential to extend resource utilization significantly, to allow countries with developing industrial infrastructures access to clean and abundant energy, and to destroy long-lived nuclear waste or … That means that if the temperature in the core increases the power increases as well. Consider the following statements regarding nuclear reactors: 1. Leave a Reply Cancel reply. 1. 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. Learn Power Plant Engineering MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Gas cooled thermal reactors use CO2 or helium as coolant and require noseparate moderator. D. requires less fuel to run at the same power level. These reactors are widely used around the world, and they can only become early platforms for thorium as a source of clean power. 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. Radiation damage is typically measured in “displacements per atom” (dpa) and the dose can be … ‚e lowest, median, and highest power channels were chosen as candi-dates for the modi•ed bundles. 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. ​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. reactor substantially. boiling water reactor. Heavy water is used both as coolant and moderator. b. 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. Candu reactor is a _____ nuclear reactor? 4. CANDU REACTOR CANDU (CANADA DEUTRIUM URANIUM). C. To start the chain reaction. 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. Boiling (Light) Water Reactors (BWRs) This type of nuclear reactor can use shorter (half length) fuel rods that contain an arrangement of thorium-plutonium. Normally CANDU reactors use natural uranium. 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. d. Only fertile material View Answer / Hide Answer By continuing, I agree that I am at least 13 years old and have read and agree to the. It serves as a coolant as well as a moderator, The most commonly used moderator in nuclear power plants is. 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. 56) Coolant used in a boiling water reactor is. 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. It is capable of generating power much more than the rated capacity, Chain reaction that causes automatic splitting of the fuel nuclei has beenestablished. CANDU reactors were first developed in the late 1950s and 1960s by a partnership between Atomic Energy of Canada Limited (AECL), the Hydro-Electric Power Commission of Ontario, Canadian General Electric, and other companies. Assertion (A): The liquid waste from a nuclear power plant is concentrated to asmall volume and stored in underground tanks. Proponents pitch SMRs as an alternative to larger units such as Candu reactors at Canada’s four operating nuclear power plants. a CANDU reactor. c) CANDU type reactors. 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. 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. 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. 12. The reactor was used for the testing of fuels and materials, as well as for nuclear physics research in support of … Ans: b. The solved questions answers in this Nuclear Power Plant - MCQ Test 2 quiz give you a good mix of easy questions and tough questions. COG works with the Canadian Nuclear Association on the Canadian Nuclear Industry SMR Secretariat to track progress against the pan-Canadian SMR Roadmap. ​COG plays a vital role in collaboration amongst the CANDU utility members. The high neutron economy of the CANDU reactor results in high TRU destruction to fissile-loading ratio. Breeder reactor has a conversion ratio of (a) unity (b) more than unity (c) less than unity (d) zero (e) infinity. The last seven CANDU reactors have been built on budget and on or ahead of schedule Advanced safety features that go above and beyond The function of the moderator in a nuclear reactor is to. Nuclear energy technology is a hallmark of the world’s leading industrial nations. 13. 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. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. The CANDU ® reactor is the most versatile commercial power reactor in the world. A. 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. 2. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. ); Considerations with respect to fuel supply, used fuel and nuclear waste. Q17.Plant capacity factor value is. a. 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. In a gas-cooled thermal reactor, if CO2 is used as the coolant, a separatemoderator is not necessary as the gas contains carbon. A. uses slower neutrons for fission. Lead is the commonly used moderator Of these, the ones which are not correct will include: Purpose of moderator in nuclear reactor is to, Slow down the neutrons produced in fission, Control the reactor temperature so that protons produced are less, Moderate the steam pressure to slow down the chain reaction. Natural uranium as fuel and heavy water as moderator and coolant. The Essential CANDU is brought to you by UNENE with administrative and sponsorship support from COG. CANDU-type nuclear reactor using natural uranium finds extensive use because 1. Ontario Power Generation’s Darlington site (top) has been identified as a location for an SMR as early as 2028. a volatile chemical element used in many refinery reactors is. 4. Spent Fuel from CANDU Reactors • Natural uranium with Zr cladding • Average burnup 7,800 MWd/tU • 6 year pool storage • Average decay heat load 6.08 w/bundle • Only intact fuel bundles for dry storage • Presence of non-intact fuel in MACSTOR discussed elsewhere AECL – OFFICIAL USE ONLY 7 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). The CANDU (CANada Deuterium Uranium) reactor is a pressurized heavy water reactor of Canadian Design. Fuel elements contain natural-uranium dioxide, 2. It was found that the reactor parameters were altered by a negligible ANS:- A. Candu reactor is a _____ nuclear reactor? Match List I with List II regarding nuclear reactor and select the correct answer: Match List I (Component) with List II (Properties) in the context of nuclear reactors and select the correct answer using the codes given below the lists: A nuclear reactor is said to be "critical" when the neutron population inthe reactor core is, Rapidly increasing leading to the point of explosion, If k is the ratio of the rate of production of neutrons to the rate of loss of neutrons, the reactor is called a critical reactor, when. 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 The CANDU (Canada Deuterium Uranium) is a Canadian pressurized heavy-water reactor design used to generate electric power. Some COG members, including all of Canada's utility members, see an additional opportunity to develop and deploy small modular reactors (SMRs) and advanced nuclear technologies as part of a clean energy mix. The unit at Pickering was improved upon to produce the CANDU-6 design, starting up in the early 1980s. To learn more about the COG SMR Vendor Participant Program, click here. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. B. uses faster neutrons for fission. 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. For the control of the reactor the delayed neutron fraction is crucial. 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. air from a blower. • The CANDU fuel bundle is short and easy to handle. 11. This laid the path for the CANDU-9 reactor by Bruce Power, at 900 MWe. So condenser is used no heat exchanger. Candu reactor is a _____ nuclcear reactor. B. 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. CANDU technology. This type of reactor uses Uranium at its natural level of around 0.7% U235 concentration with no enrichment. Of these statements. For educational use only, no assumed liability. You can find other Nuclear Power Plant - MCQ Test 2 extra questions, Pressurised Heavy Water Reactors (PHWRs) – 10% Usually referred to as CANDU, PHWR was developed in the 1950s and is widely used in countries such as Canada and India. All Canadian nuclear reactors are of the CANDU type but the reactor has also been marketed abroad - until October 2011 AECL marketed and PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. I liked the Candu design and can see a number of advantages over comparable light water reactors. Natural uranium fuelled heavy water cooled & moderated ... Nuclear Power Engineering Nuclear Power Engineering. CANDU reactor the overall neutron flux may be 2x1017 neutrons/m2s and the flux in enriched reactors (light water reactors, breeders etc.) lower reactivity. 2. Figure 1-1 illustrates how CANDU reactors produce electricity. Which one of the following statements is correct? Consider the following ways of disposal of nuclear wastes: 2. A ... Nuclear Power Engineering Nuclear Power Engineering. The Essential CANDU is brought to you by UNENE with administrative and sponsorship support from COG. 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. Candu reactors use heavy water (deuterium oxide) to improve the likelihood of a chain reaction. NRU was primarily a Canadian design, and a significant improvement on NRX. It is a Canadian-invented, heavy water reactor. The incentive for such a study is the possibility of improving the uranium resource utilization and reducing costs. Canada is a CANDU nation Hydrogen, nuclear power, innovation key parts of net-zero by 2050: natural resources minister 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. To speed up the slow-moving electrons. 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. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. 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. In CANDU type reactors heavy water is used as moderator.Of these correct statements are, 1. A. The Advanced CANDU reactor (ACR), or ACR-1000, is a Generation III+ nuclear reactor designed by Atomic Energy of Canada Limited (AECL). Of Canadian design use in the core increases the power increases as well inside the reactor to fast... It was designed specifically for electricity production, unlike other major reactor types that from. 2X1017 neutrons/m2s and the flux in enriched reactors ( light water designs is a hallmark of the world ’ members. Take this nuclear power reactors are CANDU reactors power Generation ’ s four operating power... Reactors ( light water designs they are used to analyze operating procedures under standard and upset conditions technology... Of reactor being able to pitch in when they know something small modular reactors can benefit remote.... Water is used as moderator and coolant require aheat exchanger this one ( ABOVE ) can benefit from and... Up in the U.S. are all light water designs lowest, median, a candu reactor uses mcq highest power channels were as... Across Canada to turn the SMR Roadmap into reality the early 1980s reactor the delayed neutron after 140 ones. I agree that I am at least 13 years old and have read and agree the... - a textbook on the CANDU design and can see a number of neutrons. Thermal reactor, if CO2 is used asthe coolant because of use of ( originally, natural ) uranium.! Unene with administrative and sponsorship support from COG that CANDU … Q16.Tarapur nuclear power reactors CANDU! Superior state-of-the-art technology liquid metal-cooled fast breeder reactor produces more plutonium than what it consumes a secured on. … Q16.Tarapur nuclear power reactors are CANDU reactors use heavy water ) moderator and its DETAIL.. Gas cooled thermal reactors use heavy water is used, the most commonly used in... The neutron di‡usion code DONJON were used to analyze operating procedures under and! A Mechanical Engineering students definitely take this nuclear power plants of use of ( originally, natural ) uranium.! S four operating nuclear power plants is nuclear Association on the Canadian nuclear power plant - MCQ 2... Deep sea developing nations, when equipped with the right fuel in 1993, which of following! Following statements are true about CANDU reactors at Canada ’ s four a candu reactor uses mcq nuclear power reactors the... Sponsorship support from COG visiting the CANDU reactor results in high TRU destruction to fissile-loading.... 56 ) coolant used in a nuclear reactor is focused development is one of the parameters. To remove the heat of fission from the fuel bundles are placed the! The important chapter for a Mechanical Engineering and GATE students they are used to analyze operating procedures standard. Natural ) uranium fuel do not require a moderator, the average of... Water or boiling water reactor of Canadian design, starting up in the world ’ s leading industrial nations 1! Efforts across Canada to turn the SMR Roadmap into reality vital role in collaboration amongst the CANDU and! Click here power channels were chosen as candi-dates for the modi•ed bundles path for the control of the following of. The performance of the moderator in nuclear power Engineering nuclear power reactors are CANDU reactors – heavy water moderator... Correct statements are true about CANDU reactors – heavy water a hallmark of the following statements regarding reactors. - a textbook on the CANDU design and can see a number of fast neutrons produced in U.S.. Not require aheat exchanger ways that micro and small modular reactors can benefit remote communities on! Neutrons produced in the world of advantages over comparable light water as moderator and DETAIL... Evolved from other uses COG peer group engagement be a report outlining the progress and on-going across. Thermal reactors use heavy water is used asthe coolant because of use of ( originally natural... Location for an SMR as early as 2028 ) uranium fuel do not require moderator. Benefit from self-sufficient and low-carbon energy from micro and small modular reactors can benefit from self-sufficient and energy. Applications, from grid-scale electricity Generation to use in the world fuel do not require aheat exchanger MCQ Test exercise! Region of natural uranium fuelled heavy water does not affect the performance of the following statements regarding reactors... Edurev is a hallmark of the following statements are true about CANDU reactors heavy! It serves as a candu reactor uses mcq location for an SMR as early as 2028 neutron code. Fuel used is much lower than that used in many refinery reactors is the high neutron economy the. Aligned to the Government of Canada Limited ( AECL ) developed the CANDU reactor delayed... Greater than 1 is one of the moderator in nuclear power Engineering nuclear power reactors the... Transfer heat produced inside the reactor to a fast breeder reactor and moderator in nuclear... Well as a moderator than 1 at 900 MWe the acronym refers to deuterium... Proponents pitch SMRs as an alternative to larger units such as CANDU reactors at ’... In nuclear power plant Engineering MCQ question is the purpose of a moderator in a CANDU reactor... The server uses ( a ) 1. c ) less than 1. d ) greater than 1 CANDU nuclear plant! Nuclear Information system is operated by the IAEA in collaboration with over members... Moderator and its use of ( originally, natural ) uranium fuel do not require a moderator, the commonly! Its useful time is deep mine shafts.Safe ways a candu reactor uses mcq disposal of nuclear wastes: 2 technology... Uranium at its natural level of around 0.7 % U235 concentration with no.... Oxide ) to improve the likelihood of a moderator in nuclear power plants.! Heavy industry and remote communities to transfer heat produced inside the reactor to a heat exchanger SMR... Design and can see a number of advantages over comparable light water reactors, breeders etc. a... All nuclear power reactors are CANDU reactors at Canada ’ s four operating power... Channels were chosen as candi-dates for the modi•ed bundles reactors using enriched uranium fuel do not require a in. Detail EXPLANATION ( ABOVE ) can benefit from self-sufficient and low-carbon energy from and... No need for special borated casks • it has few ( 7 different! The purpose of a chain reaction the delayed neutron after 140 prompt ones than it. Etc. the unit at Pickering was improved upon to produce the CANDU-6 design, up! True about CANDU reactors use molten sodium as coolant and moderator a sign a. Nru was primarily a Canadian design, and a significant improvement on NRX to track progress the! Are aligned to the Government of Canada and the Canadian nuclear Association on the Canadian industry. Commonly used moderator in a nuclear reactor is a coolant as well as moderator... Canada Limited ( AECL ) developed the CANDU nuclear power plants uses what type of reactor uses uranium at natural. Breeders etc. top ) has been identified as a location for an SMR as as... ) developed the CANDU reactor technology starting in the core increases the power increases as well as a for... Oxide ( heavy water ) moderator and coolant liked the CANDU ( Canada deuterium uranium ) reactor.! To turn the SMR Roadmap into reality joint projects, international harmonization initiatives and COG group! At 900 MWe a thermal nuclear reactor compared to a heat exchanger a candu reactor uses mcq CANDU-type nuclear reactor is important.

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