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the function of control rods in nuclear plants is to

Most commonly, Uranium U-… A control rod is a device that is used to absorb neutrons so that the nuclear chain reaction taking place within the reactor core can be slowed down or stopped completely by inserting the rods further, or accelerated by removing them slightly. Nuclear reactor control rods are designed with heavy mass elements. Control rods are rods, plates, or tubes containing a neutron absorbing material (material with high absorbtion cross-section for thermal neutron) such as boron, hafnium, cadmium, etc., used to control the power of a nuclear reactor. That’s really not the case.A Mcq Added by: Muhammad Bilal Khattak. Cadmium or Boron rods the reaction rate can be reduced. Nuclear Power Plants Nuclear Power Plants . Power Plant Engineering MCQ question is the important chapter for a Mechanical Engineering and GATE students. What does contingent mean in real estate? Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. If we take … So that it can continue or stop a reaction. Function of control rods in nuclear power plant: The function of control rod is to control the chain reaction in reactor core by adjusting its height. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. B. control readioactive pollution Fuel rods provide fissionable elements such as uranium - 235, The uranium abosrbs a neutron at thermal speeds (energy transefered to the moderator) from previous reactions. How long will the footprints on the moon last? Why don't libraries smell like bookstores? The rods can also be lowered completely int… IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Control rods are tools which are used to control the chain reaction which occurs inside a nuclear reactor. This then enables the Uranium … Radioactivity. In short, they are used to mantain a critical chain reaction of fission. Control Rods. * In some PWR reactors, special control rods are used to enable the core to sustain a low level of power efficiently. Explanation: The function of control rod is to control the rate of nuclear reaction by absorption extra release neutrons. Page-11 section-1 Page-11 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. Control rods are made of boron, cadmium, hafnium, or other elements that are able to absorb neutrons. A. control temperature The coolant system plays a pivotal role in performing this function. The moderator and control rods together Without them, the reactor power would increase uncontrollably. E. none of the above. The use of breeder reactors would extend the fuel … PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. The functions of nuclear reactors are as follows: (a) To provide neutrons with enough energy so that the same may be absorbed by the nuclei of certain heavy atoms causing fission so that a large amount of energy is liberated. Control rods or blades These are made with neutron-absorbing material such as cadmium, hafnium or boron, and are inserted or withdrawn from the core to control the rate of reaction, or to halt it. Ans: c. 58. The control rods: normally made of Boron, these help control the fission reaction. The speed of the chain reaction must be controlled because the ever increasing numbers of splitting nuclei will very quickly release a large amount of heat energy and this would cause the nuclear reactor to explode.. The other function of the fuel rods is to set up the geometry of a reactor. How many candles are on a Hanukkah menorah? Even though a nuclear reactor in a power plant has got peaceful intentions, the tremendous power, heat and energy which is associated with nuclear fission cannot be left on its own but needs to be controlled in a predictable manner. But only if there is enough fissionable material nearby to set up a critical mass. The control rods of nuclear power plants are the elements that allow regulating the power of the reactor. So by inserting control rods such as Answer : The main function of the control rods in a nuclear power plant is to absorb the unwanted extra neutrons emitted after the nuclear fission reaction, as to slow down or completely shut down the reaction in case of certain emergencies. The function of control rods in nuclear plants is to__________________? energize control rods heat water create electric current fuse hydrogen into helium please help astronomy The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. They can respond very quickly to the grid requirements. When did organ music become associated with baseball? The nuclear fission chain reaction is the fundamental process by which nuclear reactors produce usable energy. The function of control rods in nuclear plants is to (a) control temperature (b) control readioactive pollution (c) control absorption of neutron (d) control fuel consumption (e) none of the above. They constitute a real-time control of the fission process, which is crucial for both keeping the fission chain reaction active and preventing it from accelerating beyond control. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without themselves fissioning. So by inserting control rods such as Cadmium or Boron rods the reaction rate can be reduced. 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