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mcqs about candu reactor

93. bundles. MCQ - 08. To slow down the fast-moving electron. To speed up the slow-moving electrons. Nuclear Reactor - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. increasing pressure and temperature on a reactor would most likely do what to the reaction? The realm of atomic and nuclear physics Nuclear physics is the field of physics that studies the building blocks and interactions of atomic nuclei. Despite 35 years of effort, only six commercial CANDU reactors have been sold outside of Canada. Nuclear Power Engineering Nuclear Power Engineering. Natural uranium fuelled heavy water cooled & moderated B. HOW CANDU REACTOR WORKS In the reactor, neutrons … all of these . Fuel Natural Uranium It is fertile and can absorb high speed nuetrons. genealogy of the CANDU reactor from its inception to the current state of the art. Your email address will not be published. The total quality of run off during that period c. Total power available d. Total storage of the plant ANSWER: b. Which reactor produces more fissionable material than it consumes ? 90. The initial concentrations of A, B and C (CA0, CB0, CC0 respectively) are all non-zero. The research and prototype reactors leading to the CANDU design are described with some of their principle technical parameters. ANSWER: a. BWRExplanation: BWR reactor use enriched uranium and feed water as moderator and coolant. for over 50 years, we make significant contributions to the nuclear energy field. Reasons for the choice of key parameters are given. Ans: Gas cooled reacator. Email This BlogThis! a. : 141 The KANUPP-1 uses the water-cooled Deuterium oxide (D 2 O or heavy water) moderator with natural uranium serving it as its fuel. 2. Required fields are marked *. The Pakistan Atomic Energy Commission (PAEC) ; (ماموریہ جوہری توانائی پاکستان) is a federally funded independent governmental agency, concerned with research and development of nuclear power, promotion of nuclear science, energy conservation and the peaceful usage of nuclear technology.. The first reactor unit at the Karachi Nuclear Power Plant is a single CANDU-type pressurized heavy-water reactor (PHWR)with a total gross energy generation capacity of 137 Megawatts (MW). This reactor is used by countries which does not produce the enriched uranium So it uses natural uranium as the fuel and heavy water as the moderator The coolant heavy water is passed through the pressurized fuel tubes and the heat exchanger Control rods are not required as the reactor control is achieved by varying the moderator level Superheated steam is generated in following reactor (a) boiling water (b) gas cooled (c) pressurized water (d) all of the above (e) none of the above . Hence the entire primary circuit including all the major components in the circuit needs to be shielded to protect the personnel handling it and the walls of the reactor from exploding. Highly enriched uranium as fuel and light water as moderator and coolant. Mcq Added by: Muhammad Bilal Khattak. fuel . Gas cooled reacator. It is situated on the outskirts of, and provides power to, the city of Toronto, Ontario. For educational use only, no assumed liability. Cost of fuel used is much lower than that used in pressurized water or boiling water reactor. It combines features of the existing CANDU pressurised heavy water reactors (PHWR) with features of light-water cooled pressurized water reactors (PWR). Which reactor uses natural uranium as fuel ? Nuclear Reactors - MCQs with answers Q1. MCQ - 03. b. 4. The following section consists of Chemistry Multiple Choice questions on Nuclear Power Engineering. what are ways catalyst can be regenerated. Reactor Generations Gen I Prototypes in 50s & 60s. MCQ - 01. Ans: CANDU. A CANDU reactor uses _____. All power reactors built in Canada are of the CANDU type 7. - The fuel bundles are inserted in horizontal fuel channels, each typically housing 12 fuel bundles. In a nuclear reactor, multiplication factor is kept almost equal to one 3. The CANDU (Canada Deuterium Uranium) is a Canadian pressurized heavy-water reactor design used to generate electric power. Highly enriched uranium (85% U-235) fuelled C. Homogeneous D. Fast breeder. Candu reactor is a ______________ nuclear reactor? Atomic Bombings of Hiroshima and Nagasaki – World War II, 1945 Atomic Bombings of Hiroshima and Nagasaki – World War II, 1945 These nuclear disasters were… This reactor is used by countries which does not produce the enriched uranium. What is the difference between scavenging and supercharging ? a. The plant has been in operation since 2000 and is operated by the Nuclear Power Corporation of India. Nuclear power plants are used as peak load plants only Which statements given above are correct? Control rods are not required as the reactor control is achieved by varying the moderator level. 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 waters in the two loops never mix. The CANDU reactor has a design flaw that makes it subject to potentially catastrophic LOCAs with little or no warning – at least under the present inspection procedures and practices. Which reactor uses heavy water as moderator ? Which reactor uses heavy water as moderator ? 2. CANDU reactor. q the world famous bridge 'golden gate, situated in? The total units of energy available b. … CANDU. CGE had developed this design on the basis of its earlier work in the design of NPD. D. To transfer heat produced inside the reactor to a heat exchanger. So it uses natural uranium as the fuel and heavy water as the moderator. Feed water passes through the fuel elements in the core as coolant and also as moderator. Canada has only 22 commercial power reactors, one of which is being shut down early due to technical problems. Which reactor requires no moderator ? In operating inherently hazardous technologies like CANDU nuclear reactors, we must anticipate safety-critical component failures rather than idly waiting for them to occur. Breeder reactor. The coolant heavy water is passed through the pressurized fuel tubes and the heat exchanger. Labels: 1000 Mechanical Engineering Interview Questions. Despite its smaller size, the Pickering station powers up to 2.5 million households. 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. Continuing a tradition of building nuclear reactors . Breeder reactor. Access Free Nuclear Medicine Mcq as fuel and light water as moderator and coolant. Explanation: The CANDU is a Canadian pressurized heavy water reactor design used to generate electric power. The area under the flow duration curve represents a. The . In a BWR, the reactor core heats water which turns to steam and then drives a steam turbine. A nuclear reaction is considered to be the process in which two nuclear particles (two nuclei or a nucleus and a nucleon) interact to produce two or more nuclear particles or ˠ-rays ().Thus, a nuclear reaction must cause a transformation of at least one nuclide to another. About: The Kaiga Atomic Power Station is a nuclear power generating station situated at Kaiga, near the river Kali, in Uttar Kannada district of Karnataka, India. MCQ - 07. Power Systems - Electrical Power Generation. - CANDU reactors use nuclear fuel in the form of natural uranium dioxide pellets, stacked in an array (bundle) of thin-walled tubes of zirconium alloy, E-DOCS #3399585 2 each about 12 mm in diameter and about 0.5 m in length, and called . Your email address will not be published. Take the Quiz for competitions and exams. B. Reactors are used for generating electricity. Der Advanced CANDU Reactor (kurz ACR) ist eine Weiterentwicklung der CANDU-Reaktoren. Jobs in Pakistan, Karachi, Lahore, Rawalpindi, Islamabad, Peshawar as published in Jang, Express, Nawa-i-Waqt, The News, Dawn & The Nation Newspapers. 96. CANDU reactors can be fuelled with a number of other low-fissile content fuels, including spent fuel from light water reactors. In 1985 four of the top ten reactor units in the world were CANDU reactors operating in South Korea and Canada. The reactor is currently in safe storage, awaiting final decommissioning. 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 to … Which reactor uses natural uranium as fuel ? MCQ - 02. Highly enriched uranium Page 2/5. CANDU reactors have an outstanding performance record, taking four of the top five places on Nuclear Engineering International’s 2013 Top Lifetime Performers List. Light Water Reactors. Supercharging is the process of supplying higher mass of air by compressing the atmospheric air. Which reactor uses heavy water as moderator ? 3. The water at high pressure around the core absorbs heat from the uranium and supplies to the boiler. CANDU. CANDU Reactors Station Name Type Gross MWe Net MWe Start-up Pickering A Pickering 542 515 1971 Bruce A Bruce 904 (including steam) 848 1977 Point Lepreau CANDU 6 680 633 1983 Gentilly-2 CANDU 6 675 638 1983 Wolsong 1 CANDU 6 678 638 1983 Embalse CANDU 6 648 600 1984 Pickering B Pickering 540 516 1983 Bruce B Bruce 915 860 1984 Darlington A Darlington 936 881 1989 Cernavoda 1 CANDU … PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. 66. a. This document is highly … CANDU-type nuclear reactor using natural uranium finds extensive use because 1. [5 points] Question 6 [15 points, 5 points/each] Use the following parameters for this problem b. It is primarily concerned with the arrangement of electrons around Educational Learning Point having all the articles of multiple subjects/area e.g; Computer Science, Medical, General Knowledge, Law, English, Islamic studies and Others. (adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. The CANDU And PHWR Reactors The CANDU (Canada Deuterium Uranium) reactor was developed in the 1950s in Canada, and more recently in India as the PHWR (Pressurized Heavy Water Reactor). a. At present, the PWR are most popular kind of nuclear reactors.Key difference between a BWR and PWR is that. 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 to create steam to drive generators. The power station currently operates four PHWRs, all of which are small-sized CANDU plants of 220 MW. 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 (now Ontario Power Generation), Canadian General Electric (now GE Canada), and other companies. 92. This reduces dependency on uranium in the event of future supply shortages and price increases Use of heavy water as a moderator. A CANDU reactor uses _____. The nuclear reactors in use in the U.S. are all light water designs. 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. A. k2 CB0 > k1 CA0 B. k CA0 > k2.CB0 C. CB0 > CA0 D. CA0 > CB0. 1.A thermal reactor needs a moderator material 2. Nuclear Reactors MCQs with answers. Which reactor uses primary coolant as fluoride salts of lithium, beryllium, thorium and uranium ? a … Compressor in gas turbine plant - MCQs with answers, Power factor improvement - MCQs with answers, Maximum demand tariff - MCQs with answers, Two and three part tariff - MCQs with answers, Flat rate and Block rate tariff - MCQs with answers, Power Plant Economics - Depreciation - MCQs with answers, Power Systems - Switchgear and Protection. 1,2 and 3 b. C. To start the chain reaction. Ans: Breeder reactor. The Pickering "A" nuclear generating station (Figure 1.2-3) consists of four units of 515 MW(e) electric each, for a total net output of 2060 MW(e). What is a nuclear reactor? Ans: Pressurised water reactor. ANSWER: b. Nuclear Reactors - MCQs with answers Q1. Sep 04, 2020 nuclear reactor engineering reactor systems engineering 4th edition vol 2 Posted By Astrid LindgrenMedia Publishing TEXT ID 6737c77c Online PDF Ebook Epub Library Amazon Nuclear Reactor Engineering Reactor Systems A CANDU Reactor is safe by design and safe by operation. The on-line refuelling system uses two identical fuelling machines, which are attached to the ends of the channel to be refuelled. Q2. reactor core. Scavenging is process of flushing out burnt gases from engine cylinder by introducing fresh air in the cylinder before exhaust stroke ends. Welcome to Nuclear Physics Chapter # 10 Online Test. CANDU reactors can accept a variety of fuels. The acronym refers to its deuterium oxide (heavy water) moderator and its use of (originally, natural) uranium fuel. Scribd is the world's largest social reading and publishing site. … Just like most fossil-fuel power plants, a CANDU system uses turbines to turn turbines, which turn an electric generator; the difference is that CANDUs use nuclear fission to heat the water. Natural uranium as fuel and heavy water as moderator and coolant.Explanation: This reactor is Canadian Deuterium Uranium. About: The Kaiga Atomic Power Station (KAPS) is a nuclear power generating station situated at Kaiga, near the river Kali, in Uttar Kannada district of Karnataka, India. Figure 1.2-2 summarizes this graph in tabular form. A. Following this successful commercial sale, CGE had hoped to expand its markets for CANDU-type plants, both domestically and offshore. NUCLEAR ASSIGNMENT (CANDU REACTOR AND ITS COMPONENTS) S.N o Component Material Used Why we use the given Material 1. Nuclear Reactors - MCQs with answers Q1. The CANDU, for Canada Deuterium Uranium, is a Canadian pressurized heavy-water reactor design used to generate electric power. You have only 15 minutes to complete 25 MCQs in the test. Reactors designed for propulsion applications are designed for (a) natural uranium (b) enriched uranium (c) pure uranium (d) any type of uranium (e) none of the above. 3. Natural uranium fuelled heavy water cooled & moderated The heat is absorbed by the boiler water, which turns to steam in the secondary loop. A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled and sustained at steady rate. Natural uranium as fuel and heavy water as moderator and coolant. Conservation Laws in Nuclear Reactions. © Copyright 2016-2020 - www.PakMcqs.com/. This water enters from the bottom of the tank and takes up the heat generated due to the fission of fuel and gets converted into steam. (3) At both ends of the fuel channels the zirconium pressure tubes are connected to stainless steel end fittings, which provide mechanical connections for the fuelling machines. 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. Ans. Er nutzt als Moderator ebenfalls schweres Wasser, aber als Kühlmittel gewöhnliches Wasser (Leichtwasser) und als Brennstoff schwach angereichertes Uran (1 bis 2 % 235 U). © Copyright 2016. All Rights Reserved. d. Only fertile material View Answer / Hide Answer. Evaluate the stable reactor period and define its meaning. c. Enriched uranium as fuel and ordinary water as moderator and coolant. Heavy water is used both as coolant and moderator. Fuel performance in Canadian CANDU reactors has been excellent; 99.9% of more than 550 000 fuel bundles irradiated to date have operated as designed. Which nuclear reactor uses water as a coolant, moderator and reflector ? c. Plot qualitatively the reactor power variation over time d) Discuss the importance of delayed neutrons in nuclear reactors. At its most basic level, a nuclear power plant is similar to a coal-fired electric power plant — a fuel source is used to heat up water to create steam to spin a turbine to generate electricity. ANSWER: b. Share to Twitter Share to Facebook Share to Pinterest. 95. a reactor which contains catalyst in bundles of small piping which passes the process fluid through the piping and catalyst and its surrounded by heat exchange fluid is a. speed it up/more activity. 93. The Advanced CANDU reactor (ACR), or ACR-1000, is a Generation III+ nuclear reactor designed by Atomic Energy of Canada Limited (AECL). IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Ans: b. These features make meltdown … The CANDU 6 reactor has 380 fuel channels, the CANDU 9 reactor has 480. 1. Candu reactor is a _____ nuclear reactor? mcqs for css ppsc fpsc nts ots uts cts and other exam multiples choice (mcqs) for the preparation of css ppsc fpsc nts ots uts cts and other exam educational platform for jobs seeker or unemployed person for better future. MCQ - 04. 1 and 2 c. 2 and 3 d. 1,3 Answer B. MCQ - 06. ANSWER: c. Uranium, to absorb the neutrons from the fissile material and gets converted into fissile material. Built on proven Canadian technology, this quickly-deployable 300 MW(e) reactor features simplified systems, fewer components and a modular design. C. Homogeneous CANDU reactors will inevitably worsen the economic and environmental situation of importing countries. The cumulative defect rate for CANDU fuel is 0.1%, with the current rate running below 0.05% (1). 94. Many new reactor designs feature fuels that stop reacting when temperatures rise too high, fuel cladding that cannot melt, and coolants that can cool the reactor with no human or mechanical intervention even if there is a total loss of power. carbon. The acronym refers to its deuterium oxide (heavy water) moderator and its use of (originally, natural) uranium fuel. CANDU Canadian Deuterium-Uranium Reactor CBM Confidence Building Measures CBW Chemical & Biological Weapons CD Conference on Disarmament CEC Cooperative Engagement Capability ... MCQs paper would be consisting of 100 Multiple choice questions.The time allocated will … Answer (B) MCQs of Conventional Generation, Load Curves and Tariffs. 92. ANSWER: d. All of the aboveExplanation: The main purpose is also to protect from the deadly, α , β and γ radiations. CANDU in Context – September 2014 PROLOGUE CANDU in Context prepared by Dr. William J. Garland, Professor Emeritus, Department of Engineering Physics, McMaster University, Hamilton, Ontario, Canada Summary: Herein, we introduce the CANDU reactor by first looking at the broad social context to see why we need nuclear power. Natural uranium as fuel and heavy water as moderator and coolant. Posted by engineering raju at 02:18. It is so designed to prevent the entry of boiling water coolant into the core. How CANDU Reactors Differ from Light Water Reactors . 94. MCQ - 05. Signaling its intent to fast-track India’s domestic nuclear power programme, the government on Wednesday approved a proposal to construct 10 indigenous units of pressurised heavy water reactors (PHWRs), each with the capacity of generating 700 Mega Watt (MW) of electricity, in a fully home grown initiative.

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