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A. for boiling pi water in the core ... D. to prevent the water coolant from boiling in the core E. to eliminate the coolant loop of the pressurised water. The PWR is one of three light water reactors and produces about 65,100 net megawatts (electric). Pressurized water reactor (PRW) Nuclear fission produces heat inside the reactor. c) Graphite. d) Beryllium . PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. The heavy water coolant is kept under pressure, allowing it to be heated to higher temperatures without boiling, much as in a typical pressurized water reactor. The coolant water boils in the reactor core. © Copyright 2016-2020 - www.PakMcqs.com/. At this pressure water boils at … b) Moderator. Your email address will not be published. Scribd es red social de lectura y publicación más importante del mundo. A PWR has fuel assemblies of 200-300 rods each, ar­ranged vertically in the core, and a large reactor would have about 150-250 fuel assemblies with 80-100 tonnes of ura­nium. Nuclear Power Plants Nuclear Power Plants. Q16. d) All of the above . a nuclear reactor in which the fuel is uranium oxide clad in Carboloy and the coolant and moderator is water at high pressure so that it does not boil at the operating temperature of the reactor. While heavy water is significantly more expensive than ordinary light water, it yields greatly enhanced neutron economy, allowing the reactor to operate without fuel enrichment facilities. Pressurised water reactor is designed________________? Pressurized water reactor is designed (a) for boiling pi water in the core (b) to use liquid sodium metal as coolant (c) to use intermediate coolant (d) to prevent the water coolant from boiling in the core (e) to eliminate the coolant loop of the pressurized water. The IAEA officer responsible for this … Guardado. Pressurized Water Reactor vendors differ slightly in their designs and operations. Pressurised water reactor is designed_____? Required fields are marked *. Answered - [coolant.] The water is heated to extremely high temperatures, but doesn’t boil because the water … Printable Version. In a typical design concept of a commercial PWR, the following process occurs: The core inside the reactor vessel creates heat. The PWR differs in another respect from the boiling water reactor… Cargar. are the options of mcq question A pressurised water reactor (PWR) uses pressurised water as a realted topics , Chemical Engineering, Nuclear Power Engineering topics with 0 Attempts, 0 % Average Score, 2 Topic Tagged and 0 People Bookmarked this question which was asked on Nov 26, 2018 14:05 The reactor coolant system of the pressurized water reactor (PWR) consists of a reactor vessel, steam generators, reactor coolant pumps, a pressurizer, and other elements. (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. Pressure in Pressurized Water Reactor A pressurizer is a key component of PWRs. a) Coolant. Q15. E. all of the above. Pressurized water reactors, like all thermal reactor designs, require the fast fission neutrons to be slowed down (a process called moderation or thermal) in order to interact with the nuclear fuel and sustain the chain reaction. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Typical Pressurized-Water Reactor. B. to Supply high pressure steam c) Gas cooled reactor. c) The saturation voltage V CE for silicon transistor is same as that for germanium. a. That heat is transferred to water circulating around the uranium fuel in the first of three separate water systems. 16MPa). In PWRs the coolant water is used as a moderator by letting the neutrons undergo multiple collisions with light hydrogen atoms in the water, losing speed in the process. A. for boiling pi water in the core a) To maintain constant pressure in primary circuit under varying load. 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. Pressurised water reactor is designed_____? A pressurised water reactor employs pressuriser for the following application_____? Mcq Added by: Muhammad Bilal Khattak. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. b) Heavy water. A. to maintain constant pressure in primary circuit under varying load Biology / Life Sciences MCQ: Biochemistry MCQ-11: (Multiple Choice Questions / Model Questions / Sample Questions in Biochemistry: Water and pH Part 1 with detailed answer key, explanations and references for preparing CSIR JRF NET Life Science Examination and also for other competitive examinations in Life Science / Biological Science such as ICMR JRF Entrance Exam, DBT BET JRF … Heavy water is used both as coolant and moderator. Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. Multiple Choice Question (MCQ) of Electronics page-17:241. Ans: d. 83. In the pressurized water reactor, the water which flows through the reactor core is isolated from the turbine. Lam, of CTI, developed the simulator and prepared this report for the IAEA. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Q13. The pressurized water reactor (PWR) is a type of nuclear reactor used to the generate electricity and propel nuclear submarines and naval vessels. Renewable Energy Systems Multiple choice questions answers 1. a) Pressurized water reactor. In Sodium-Graphite reactor, sodium is used as. Leave a Reply Cancel reply. (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. In the United States, steam generators are only found in pressurized-water reactors, one of the two types of U.S. reactors. c) Reflector. Page-5 section-1 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. In the Westinghouse (page 4-12) and Combustion Engineering (page 4-13) designs, the steam/water mixture passes through multiple stages of moisture separation. This system returns the condensed steam from the turbine condenser to the steam generators and maintains the water inventory in the secondary system. Pressurized Water Reactor . The data used are those for typical Pressurized water reactor similar to: (a) The Three Mile Island Unit 2 (TM1-2) in Pennsylvania (which had an accident on March 28, 1979) – PWRD I Your email address will not be published. The typical nuclear reactor designs are coded as PWRD I and PWRD II which stands for Pressurized Water Reactor Design I and Pressurized Water Reactor Design II. Cerrar sugerencias. The generators mark the spot where two closed loops of piping meet. It is one of three types of light water reactors, with the others being the boiling water reactor and the supercritical water cooled reactor. b) Boiling water reactor. It is currently the most widely used type of nuclear reactor in nuclear power plants worldwide. Your email address will not be published. Each pressurized water reactor has at least two steam generators. CANDU-type nuclear reactor using natural uranium finds extensive use because 1. Pressurized water reactors use a reactor pressure vessel (RPV) to contain the nuclear fuel, moderator, control rods and coolant. Otherwise, the high temperature inside the reactor would convert it into steam. Your email address will not be published. Inicio. Pressurized Water Reactor (PWR): It is a thermal reactor, using enriched uranium oxide, clad in zircalloy as fuel. Cost of fuel used is much lower than that used in pressurized water or boiling water reactor. 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