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