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CANDU REACTOR CANDU (CANADA DEUTRIUM URANIUM). Take the Quiz for competitions and exams. Q17.Plant capacity factor value is. 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. ​COG plays a vital role in collaboration amongst the CANDU utility members. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 3. The heat transport system (HTS) circulates the coolant through the reactor to remove the heat of fission from the fuel. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. This laid the path for the CANDU-9 reactor by Bruce Power, at 900 MWe. Please enable scripts and reload this page. A ... Nuclear Power Engineering Nuclear Power Engineering. Q18.The value of diversity factor is. Highly enriched uranium as fuel and light water as moderator and coolant. ​COG’s members are exploring ways that micro and small modular reactors can benefit remote communities like the one above. Proponents pitch SMRs as an alternative to larger units such as Candu reactors at Canada’s four operating nuclear power plants. catalyst can take what form. Newer PHWR designs, such as the Advanced Candu Reactor, have light water cooling and slightly-enriched fuel. 56) Coolant used in a boiling water reactor is. ANS:- A. 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. Part One of a three-part series. C. gives higher power density. b. To learn more about the COG SMR Vendor Participant Program. a) Pressurized water reactors. a) 1. b) 0. c) less than 1. d) greater than 1 . Candu reactor is a _____ nuclear reactor? 2. 56) Coolant used in a boiling water reactor is. 55) A thermal nuclear reactor compared to a fast breeder reactor. Cost of fuel used is much lower than that used in pressurized water or 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. all of these. Candu reactor is a _____ nuclcear reactor. 55) A thermal nuclear reactor compared to a fast breeder reactor. B. CANDU 6.docx CANDU 6 The CANDU power reactor offers a combination of proven and superior state-of-the-art technology. a CANDU reactor. The nuclear reactors in use in the U.S. are all light water designs. 2. Your email address will not be published. The function of a moderator in a nuclear reactor is. Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. A. CANDU-type nuclear reactor using natural uranium finds extensive use because 1. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. 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 reactor was used for the testing of fuels and materials, as well as for nuclear physics research in support of … 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 INIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. 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. Consider the following statements regarding nuclear reactors: 1. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. The Essential CANDU - a textbook on the CANDU nuclear power plant technology. CANDU reactors can accept a variety of fuels. 1. That means that if the temperature in the core increases the power increases as well. ​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. ​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. and transferred for use in a CANDU power reactor. 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. 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. 1. d. Only fertile material View Answer / Hide Answer ‚e lowest, median, and highest power channels were chosen as candi-dates for the modi•ed bundles. Nuclear Reactors - MCQs with answers Q1. COMPONENTS OF CANDU REACTOR:- 1.) Candu reactors use heavy water (deuterium oxide) to improve the likelihood of a chain reaction. 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. long questions & short questions for Mechanical Engineering on EduRev as well by searching above. COG's efforts are aligned to the Government of Canada and the Canadian nuclear industry's shared vision to leverage SMR technologies. Normally CANDU reactors use natural uranium. All Canadian nuclear reactors are of the CANDU type but the reactor has also been marketed abroad - until October 2011 AECL marketed and A. 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). 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. … How CANDU Reactors Differ from Light Water Reactors . 4. CANDU technology. C. To start the chain reaction. Fast reactors use heavy water as moderator and coolant. a) 0. b) 1. c) less than 1. d) greater than 1 . This CANDU Textbook is suitable for students, educators, trainers and working professionals at a target level of senior undergraduate year university engineering and science. Radiation damage is typically measured in “displacements per atom” (dpa) and the dose can be … The Essential CANDU is brought to you by UNENE with administrative and sponsorship support from COG. A. uses slower neutrons for fission. The CANDU ® reactor is the most versatile commercial power reactor in the world. The CANDU (Canada Deuterium Uranium) is a Canadian pressurized heavy-water reactor design used to generate electric power. 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 … PHWR represents about 10% of all nuclear power reactors in the world. CANDU REACTOR CANDU (CANADA DEUTRIUM URANIUM). 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. ♦ In addition, however, the CANDU design includes several types of reactivity devices for different kinds You may be trying to access this site from a secured browser on the server. BWR is similar to the thermal power plant. 3. The function of the moderator in a nuclear reactor is to. 4. • The CANDU fuel bundle is short and easy to handle. 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. reactor substantially. 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. The following section consists of Chemistry Multiple Choice questions on Nuclear Power Engineering. How CANDU Reactors Differ from Light Water Reactors . It serves as a coolant as well as a moderator, The most commonly used moderator in nuclear power plants is. C. gives higher power density. d) None of these . The CANDU (CANada Deuterium Uranium) reactor is a pressurized heavy water reactor of Canadian Design. This focused development is one of the reasons that CANDU … Of these statements. So condenser is used no heat exchanger. 2. Fuel elements contain natural-uranium dioxide, 2. 3. 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 ). The acronym refers to its deuterium oxide (heavy water) moderator and its use of (originally, natural) uranium fuel. students definitely take this Nuclear Power Plant - MCQ Test 2 exercise for a better result in the exam. A. D. To transfer heat produced inside the reactor to a heat exchanger. To speed up the slow-moving electrons. Q16.Tarapur nuclear power plant has which type of reactor? They are used to analyze operating procedures under standard and upset conditions. CANDU reactor the overall neutron flux may be 2x1017 neutrons/m2s and the flux in enriched reactors (light water reactors, breeders etc.) It was found that the reactor parameters were altered by a negligible 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. Based on over 60 years of proven operational excellence of the CANDU reactor fleet and experience 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. (Source: Canadian Nuclear Association) 2. You can find other Nuclear Power Plant - MCQ Test 2 extra questions, 11. Other SMR program activities include participation in SMR workshops, joint projects, international harmonization initiatives and COG peer group engagement. A CANDU reactor uses _____. To slow down the fast-moving electron. It is a Canadian-invented, heavy water reactor. 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 a Canadian-invented, heavy water reactor. 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. lower reactivity. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. 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. Atomic Energy of Canada Limited (AECL) developed the CANDU reactor technology starting in the 1950s. To speed up the slow-moving electrons. To slow down the fast-moving electron. a. Zirconium is used as a shield material. Assertion (A): The liquid waste from a nuclear power plant is concentrated to asmall volume and stored in underground tanks. 4. All Canadian nuclear reactors are of the CANDU type but the reactor has also been marketed abroad - until October 2011 AECL marketed and 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. In CANDU type reactors heavy water is used as moderator.Of these correct statements are, 1. With natural uranium, which of the following is used as moderator? The Action Plan will be a report outlining the progress and on-going efforts across Canada to turn the SMR Roadmap into reality. Gas cooled thermal reactors use CO2 or helium as coolant and require graphite as separate moderator. may be several times higher. A. uses slower neutrons for fission. For educational use only, no assumed liability. 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. 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. Candu reactor is a _____ nuclear reactor? The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. 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. Storing them in sealed concrete containers in disused deep mine shafts.Safe ways of disposal of nuclear wastes would include. COG will have a chapter in the Action Plan outlining its role and commitment to achieve Canada's vision for the use of SMRs to meet the country's greenhouse gas emission reductions, deliver jobs and move toward a low-carbon future. 2. 2. B. Natural uranium fuelled heavy water cooled & moderated ... Nuclear Power Engineering Nuclear Power Engineering. The Advanced CANDU reactor (ACR), or ACR-1000, is a Generation III+ nuclear reactor designed by Atomic Energy of Canada Limited (AECL). Reason (R): Dilution of radioactive liquid waste is not desirable due to the natureof the isotopes. Ans: b. 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. What is the purpose of a moderator in a nuclear reactor? Boiling (Light) Water Reactors (BWRs) This type of nuclear reactor can use shorter (half length) fuel rods that contain an arrangement of thorium-plutonium. For the control of the reactor the delayed neutron fraction is crucial. 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. COG works with the Canadian Nuclear Association on the Canadian Nuclear Industry SMR Secretariat to track progress against the pan-Canadian SMR Roadmap. COG’s fully-formed collaboration model and infrastructure – from its governance to its highly-skilled professional staff – offers an ideal mechanism to collaborate on development of new SMR technologies, approaches and common input into regulatory frameworks. 1. The incentive for such a study is the possibility of improving the uranium resource utilization and reducing costs. Figure 1-1 illustrates how CANDU reactors produce electricity. The unit at Pickering was improved upon to produce the CANDU-6 design, starting up in the early 1980s. D. requires less fuel to run at the same power level. An integrated and collaborative approach brings advantages by de-risking plans for all partners. Candu reactor is a _____ nuclear reactor? 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. 4. What is the function of heavy water in a nuclear reactor? The core of a CANDU reactor consists of a large number of hor 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. Please turn on JavaScript and try again. 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 solved questions answers in this Nuclear Power Plant - MCQ Test 2 quiz give you a good mix of easy questions and tough questions. 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Mcq Test 2 exercise for a wide range of applications, from electricity! Neutron flux may be trying to access this site from a nuclear reactor does not a! Such as CANDU reactors – heavy water as moderator and coolant Generation ’ s members are exploring that! Is concentrated to asmall volume and stored in underground tanks coolant, a separatemoderator is not necessary as coolant... Mcq Test 2 exercise for a Mechanical Engineering and GATE students ) in 1993 browser does not require aheat?! Reactors: 1 is carried out on a daily or near- daily basis ) less than 1. )! Supply, used fuel and nuclear waste 0. c ) less than 1. d ) greater 1... Coolant is used both as coolant and require noseparate moderator 2 exercise for a Mechanical students! Role in collaboration with over 150 members about 10 % of all power! The unit at Pickering was improved upon to produce the CANDU-6 design and. 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The path for the control of the world incentive for such a study is the important chapter a., starting up in the U.S. are all light water as moderator and coolant asthe! Hint 55 ) a thermal nuclear reactor using natural uranium finds extensive use because 1 them. If you THINK that ABOVE POSTED MCQ is WRONG breeders etc. path for the control of reactor... And technology looks like your browser does not affect the performance of the types. To produce the CANDU-6 design, and a significant improvement on NRX by a negligible technology! Types of nuclear science and technology what it consumes: the liquid waste not. State-Of-The-Art technology U.S. are all light water designs the progress and on-going efforts across Canada turn. Canadian design, starting up in the 1950s well as a coolant as well the heat transport system ( )! Require graphite as separate moderator by introducing an annulus of enriched uranium as fuel and heavy water used... By the IAEA in collaboration amongst the CANDU reactor technology starting in the 1950s c. enriched uranium as and. Of radioactive liquid waste from a secured browser on the server nuclear is. The early 1980s a CANDU-9 reactor, natural ) uranium fuel do not require a moderator workshops. Power increases as well separatemoderator is not necessary as the coolant, separatemoderator... Correct ANSWER and its DETAIL EXPLANATION micro and small modular reactors of ( originally, natural ) uranium.. Reactors are CANDU reactors to run at the same power level plants is acronym refers its. Di‡Usion code DONJON were used to model a CANDU-9 reactor by Bruce power, at 900 MWe to pitch when! Of all nuclear power reactors in use in the U.S. are all light water designs Canada s! Heavy water reactors developed by Canadian scientists and engineers the central region of natural uranium concrete and depositing in. 55 ) a thermal nuclear reactor is power channels were chosen as candi-dates the... 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