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b) Boiling water reactor. 2. 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 … 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. Which of the following statement is true? d) To provide sub cooled water at high pressure . b) Moderator. At this pressure water boils at … 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. Pressurized Water Reactor (PWR): It is a thermal reactor, using enriched uranium oxide, clad in zircalloy as fuel. 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. Required fields are marked *. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. PPE MCQ SSM234567waaaaa - Read online for free. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Pressurized Water Reactor vendors differ slightly in their designs and operations. This system returns the condensed steam from the turbine condenser to the steam generators and maintains the water inventory in the secondary system. Printable Version. There can be two to four steam generators for each reactor unit. In pressurized water reactors, an essential part of the secondary water system is the feedwater system. The pressurized water reactor (PWR) also uses ordinary or light water as both coolant and moderator (Figure 17.2).However, in the PWR system the cooling water is kept under pressure so that it cannot boil. d) All of the above . Q14. What is the process that converts solid coal into liquid hydrocarbon fuel? In which of the following, an intermediate heat exchanger is used. The water is heated to extremely high temperatures, but doesn’t boil because the water … A pressurized water reactor (PWR) is a type of light-water nuclear reactor.PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being Japan and Canada). Ans: d. 83. Pressurized water reactors use a reactor pressure vessel (RPV) to contain the nuclear fuel, moderator, control rods and coolant. Pressurized water reactor is designed To prevent the water coolant from boiling in the core Pressurized water reactor is a nuclear reactor in which the fuel is uranium oxide clad in zircaloy and the coolant and moderator is water at high pressure so that it does not boil at the operating temperature of the reactor. In the United States, steam generators are only found in pressurized-water reactors, one of the two types of U.S. reactors. 82. © Copyright 2016-2020 - www.PakMcqs.com/. It is currently the most widely used type of nuclear reactor in nuclear power plants worldwide. Cargar. c) To increase pressure of water in primary circuit. E. to eliminate the coolant loop of the pressurised water. This report consists of course material for workshops using a pressurized water reactor simulator. a) Light water. Mcq Added by: Muhammad Bilal Khattak. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. (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. D. to provide subcooled water at high pressure In the United States, 69 out of 104 commercial nuclear power plants licensed by the U.S Nuclear Regulatory Commission are PWR's. a. Pressurized Water Reactor – PWR. A pressurised water reactor employs pressuriser for the following application_____? B. to Supply high pressure steam PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Answered - [coolant.] Your email address will not be published. b) To Supply high pressure steam. c) Reflector. [moderator.] A pressurised water reactor employs pressuriser for the following application________________? 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. In a typical design concept of a commercial PWR, the following process occurs: The core inside the reactor vessel creates heat. Scribd es red social de lectura y publicación más importante del mundo. 3. Pressurized Water Reactor . Nuclear Power Plants Nuclear Power Plants. Q16. 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 Q13. Cost of fuel used is much lower than that used in pressurized water or boiling water reactor. The IAEA officer responsible for this … a) Coolant. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Buscar Buscar. The pressurized water reactor (PWR) is a type of nuclear reactor used to the generate electricity and propel nuclear submarines and naval vessels. How Nuclear Reactors Work. The generators mark the spot where two closed loops of piping meet. Pressurised water reactor is designed_____? Más información sobre la suscripción a Scribd. Pressurized water reactors (PWRs), which comprise about two-thirds of the U.S. nuclear power plants, rely on multiple safety systems to protect the public in the event of an accident. W.K. These principal components are interconnected by the reactor coolant piping to form a loop configuration. The primary loop water produces steam in the secondary … Cerrar sugerencias. Pressure in Pressurized Water Reactor A pressurizer is a key component of PWRs. Pressurised water reactor is designed_____? [working fluid in power turbine.] Iniciar sesión Unirse. In the pressurized water reactor, the water which flows through the reactor core is isolated from the turbine. In Sodium-Graphite reactor, sodium is used as. [3] They make use of light water (ordinary water, as opposed to heavy water) as their coolant and neutron moderator. B. to use liquid sodium metal as coolant The PWR differs in another respect from the boiling water reactor… Otherwise, the high temperature inside the reactor would convert it into steam. 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. In the pressurized water reactor (PWR), the water which passes over the reactor core to act as moderator and coolant does not flow to the turbine, but is contained in a pressurized primary loop. They are cooled and moderated by high-pressure liquid water (e.g. Lam, of CTI, developed the simulator and prepared this report for the IAEA. c) Gas cooled reactor. c) Graphite. Pressurized water in the primary coolant loop carries the heat to the steam generator. Light or heavy water is used as both coolant and moderator. 16MPa). Leave a Reply Cancel reply. In a pressurized water reactor( PWR) _____. a) Pressurized water reactor. One stage causes the mixture to spin, E. all of the above. 16MPa). Pressurized water reactors use a reactor pressure vessel (RPV) to contain the nuclear fuel, moderator, control rods and coolant. a) To maintain constant pressure in primary circuit under varying load. (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. C. to increase pressure of water in primary circut Typical Pressurized-Water Reactor. Pressurised water reactor is designed________________? Control rods are not required as the reactor control is achieved by varying the moderator level. In a PWR, the primary coolant is pumped under high pressure to the reactor core where it is heated by the energy released by the fission of atoms. CANDU-type nuclear reactor using natural uranium finds extensive use because 1. 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. Q15. A. to maintain constant pressure in primary circuit under varying load A pressurized water reactor employs pressurizer for the following application. Your email address will not be published. Renewable Energy Systems Multiple choice questions answers 1. d) Beryllium . The coolant water boils in the reactor core. © Copyright 2016-2020 - www.PakMcqs.com/. D. to prevent the water coolant from boiling in the core c) The saturation voltage V CE for silicon transistor is same as that for germanium. es Change Language Cambiar idioma. In an archetypal design of a PWR, as represented in Fig. Each pressurized water reactor has at least two steam generators. Small leakage of heavy water does not affect the performance of the reactor … Your email address will not be published. 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 The PWR is one of three light water reactors and produces about 65,100 net megawatts (electric). Your email address will not be published. 1, heat is created inside the core of the reactor… They are cooled and moderated by high-pressure liquid water (e.g. Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. b. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Multiple Choice Question (MCQ) of Electronics page-17:241. It is one of three types of light water reactors, with the others being the boiling water reactor and the supercritical water cooled reactor. Heavy water is used both as coolant and moderator. Guardado. 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. That heat is transferred to water circulating around the uranium fuel in the first of three separate water systems. b) Heavy water. C. to use intermediate coolant Water Reactor Simulator (2005). This contains 20 Multiple Choice Questions for Mechanical Engineering Nuclear Power Plant - MCQ Test 1 (mcq) to study with solutions a complete question bank. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Your email address will not be published. [None of these.] Q2. a) combustion b) … 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 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. In the Westinghouse (page 4-12) and Combustion Engineering (page 4-13) designs, the steam/water mixture passes through multiple stages of moisture separation. Pressurized water reactor (PRW) Nuclear fission produces heat inside the reactor. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. A. for boiling pi water in the core 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. Required fields are marked *. The pressurized water reactor is a type of nuclear reactor.This type of reactor's main characteristic is that the water uses high pressure in the primary circuit to prevent it from boiling. 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. Most of the world's nuclear power plants are almost entirely made up of pressurized water reactors (PWR). GENERATION MCQ_18_04(NUCLEAR POWER STATION) byelectricalworld June 06, 2019electricalworld June 06, 2019 The pressure vessel is of steel. The coolant heavy water is passed through the pressurized fuel tubes and the heat exchanger. Pressurized Water Reactors. Inicio. The IAEA officer responsible for this … Multiple Choice questions answers 1 water boils at … pressurized reactors! 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