moderator in nuclear plants is used to mcq

Moderator in nuclear plants is used to (a) reduce temperature (b) extract heat from nuclear reaction (c) control the reaction (d) cause collision with the fast moving neutrons to reduce their speed (e) moderate the radioactive pollution. A CANDU reactor uses _____. How much KWh energy is produced by fission of 1 gm of uranium U235. Your name: Your Email: Your … Physics Top 100 Multiple Choice Questions . Nuclear Power Plant MCQ Questions and Answers Quiz. To speed up the slow moving electron. A. Graphite. Comment * Comments ( 3) Kundil Phukan : 2 months ago . Nuclear Power Plant Multiple Choice Questions and Answers. c) Graphite and concrete. Which of the following statement is true? a) Heavy water. Correct Answer. Electrical Articles (19) Electrical MCQ (75) Electrical Questions (11) Interviews Questions … (b) Hydro-electric power plants. The most commonly used moderator in nuclear plants is. The moderator, which is of importance in thermal reactors, is used to moderate, that is, to slow down, neutrons from fission to thermal energies. b) 240 kWh. Which of the following may be used to measure the rate of nuclear disintegration? Light water. a) A thermal reactor needs a moderator materiel b) In nuclear reactor, mltiplication factor is kept almost equal to one c) Nuclear power plants are used as peak load plants only d) Both 1 and 2 Show/Hide Answer 5) A power station has a maximum demand of 15 MW. >Hydro Electric Power Plant; MCQ. Write. c) Liquid. The moderator water, however, remains completely sealed off from the water that drives the turbines. is lighter; is inert ; has high specific heat; is a good conductor 12. Terms in this set (30) The uranium oxide pellets used in typical nuclear reactors are primarily composed of the nonfissionable isotope (A) uranium-235 (B) uranium-238 (C) uranium-258 (D) uranium-255 (E) uranium-245. Moderator in nuclear plants is used to. Nuclear energy is unique when it comes to the quantity of fuel. C.U 233 Your Comments. b) Extract heat from nuclear reaction. Mechanical Engineering Multiple choice Questions Answers ... Moderator in nuclear plants is used to (a) reduce temperature (b) extract heat from nuclear reaction (c) control the reaction (d) cause collision with the fast moving neutrons to reduce their speed (e) moderate the radioactive pollution. therine_hoult. Multiple Choice Questions … Flashcards. Which one among the following is used as a moderator in nuclear reactors? Hydrogen is preferred as better coolant in comparison to C02 because former . A. demineralised water B. carbon dioxide C. heavy water D. graphite E. no moderator is used. d) 24000 kWh . A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to (A) Slow down the speed of fast moving neutrons (B) Control the reaction (C) Reduce the temperature (D) Extracts heat from nuclear reaction. A Nuclear Power plant converts nuclear energy into electrical energy. STUDY. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 1. Reflector in nuclear plants is used to_____? Ans: d; The most commonly used moderator in nuclear plants is (a) heavy water (b) concrete and bricks (c) graphite and concrete (d) deutrium (e) graphite. b) Concrete and bricks. The moderator is a component that is part of nuclear reactors.It is located in the reactor core.The function of the moderator is to reduce the speed of neutrons in nuclear fission reactions.. During fission nuclear reactions, neutrons collide with fissile atoms (uranium and plutonium) present in the nuclear fuel causing fission. … Other articles where Moderator is discussed: nuclear reactor: Coolants and moderators: A variety of substances, including light water, heavy water, air, carbon dioxide, helium, liquid sodium, liquid sodium-potassium alloy, and hydrocarbons (oils), have been used as coolants. 7. Highly enriched uranium as fuel and light water as moderator and coolant. c) The saturation voltage V CE for silicon transistor is same as that for germanium. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Physicists calculate with fission cross-section, which determines this probability. Q13. 6. The plant capacity is 20 MW. Pages 11-11. The function of a moderator in a nuclear reactor is..... A. Which of the following power plant usually offer highest maintenance cost? Nuclear Power Plant MCQ January 23, 2020 September 3, 2020 Electric 0 Comments. Ans: d. 8. In nuclear engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, ideally without capturing any, leaving them as thermal neutrons with only minimal (thermal) kinetic energy.These thermal neutrons are immensely more susceptible than fast neutrons to propagate a nuclear chain reaction of uranium-235 or other fissile isotope by colliding with their atomic nucleus. Created by. C. To start the chain reaction. a) Hydrogen. Multiple Choice Questions on Process Equipment and Plant Design. 2. For more effective use in nuclear reactor it is desirable to slow down the fast neutrons to speed corresponding to the speed of molecules of gas at normal temperature and pressure. Nuclear Energy MCQ. Q8. b) Water. (d) Diesel engine power plants. Such substances are, in In fact, a small quantity of nuclear fuel can generate huge amounts of electricity. C. To start the chain reaction. B. Explanation: Neutrons rejected during the fission process at a very high velocity of about 1.5 × 107 m/s. a) Wind. Power Plant Engineering MCQ Question with Answer Power Plant Engineering MCQ with detailed explanation for interview, entrance and competitive exams. For large plants of capacity for more than 15 MW, what type of cooling is used. The probability that fission will occur depends on incident neutron energy. c. Enriched uranium as fuel and ordinary water as moderator and coolant. Mecahanical Engineering ; Electrical Engineering; Electronics Engineering; Civil Engineering; Nuclear Power Plant - Nuclear Power plant Objective Questions and Answers. Find the reserve capacity of the plant? C. Heavy water. The Following Section consists of IC Engines and Nuclear Power Plants Questions on Physics. Moderator in nuclear plants is used to: A. reduce temperature: B. extract heat from nuclear reaction: C. control the reaction: D. cause collision with the fast moving neutrons to reduce their speed: E. moderate the radioactive pollution. a) Geiger-Muller Counter b) Cold Chamber c) Cyclotron d) Van De Graph Generator View Answer. In nuclear power plant, which of the following is used to moderate the speed of neutron? Light water should be the correct answer. Join The Discussion. Q15.iAmong the following which is not non conventional energy. Fast Breeder Reactor Figure shows a fast breeder reactor system. 1 Graphite is used in nuclear power plant as; 2 Generally coal is carried from storage to boiler by using; 3 In Rankine cycle work output from a turbine is given by; 4 Water hammer occurs in which part of hydropower plant; 5 Which of the following is an advantage of Hydro power plant; 6 More Power Generation MCQ; Graphite is used in nuclear power plant as. Moderator in nuclear plants is used to (a) reduce temperature (b) extract heat from nuclear reaction (c) control the reaction (d) cause collision with the fast moving neutrons to reduce their speed (e) moderate the radioactive pollution. 6. d. Only fertile material View Answer / Hide Answer Learn. Test. Light water, heavy water, graphite which is correct answer. MCQ quiz on Nuclear Power Plant multiple choice questions and answers on Nuclear Power Plant MCQ questions on Nuclear Power Plant objectives questions with answer test pdf for interview preparations, freshers jobs, and competitive exams. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Q9. Answer/ Hint Correct Answer. Generally, graphite, water, and deuterium oxides (hydrogen isotopes) in science (chemistry, physics) used as a moderator in this power generator plant for fission reaction. B. To slow down the fast moving electrons. This is accomplished with the help of moderator. 11. … a) 24 kWh. A. Recommended Post MCQs on Engineering Materials MCQs on Electrical Devices EMF or Electromotive Force MCQs on Special Motor MCQ on Power electronics – 1. This is the Multiple Choice Questions Part 5 of the Series in Power Plant Engineering as one of the Electrical Engineering topic. D. To transfer heat produced inside the reactor to a heat exchanger. In boiling water reactor, moderator is . a. Answer: a Explanation: Geiger-Muller Counter is used to measure the rate of nuclear disintegration. The most commonly used moderator in nuclear power plant is. When the reaction kinetics rates are not controlled by reaction rods we use moderators to reduce the speed of the reactions. PLAY. In the nuclear fission reactions.....isotope of uranium is used. a. (a) Nuclear power plants. U₂₃₃ is produced (A) Artificially (B) As basic raw material (C) When thorium is irradiated by neutrons (D) By fission of U₂₃₈. Sanjay Gohel : 2 years ago . Moderator in nuclear plants is used to (A) Reduce temperature (B) Extract heat from nuclear reaction (C) Control the reaction (D) Cause collision with the fast moving neutrons to reduce their speed. రవి కుమార్ : 3 months ago . Electrical Engineering MCQ. (a) moderator. B. d) Graphite. Explanation are given for understanding. (c) Thermal power plants. This set of Power Plant Mcqs focuses on “Chemical & Nuclear Reactions – II”. c) Control the reaction. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. coolant itself; ferrite rod; graphite rod; liquid sodium metal 13. Natural uranium as fuel and heavy water as moderator and coolant. Graphite and beryllium can be used as_____ in a nuclear plant. This prevents any radioactivity from leaving the reactor core, which is where the heat-producing chain reactions take place. Gravity. d) Cause collision with the fast moving neutrons to reduce their speed . a) Reduce temperature. C. U 233. To speed up the slow-moving electrons. Isotopes of same elements … Neutron Moderators in Nuclear Reactors. Tweet; Tweet ; The Following Section consists of Multiple Choice Questions on Nuclear Power Engineering. Control rods b. Moderator c. Coolant d. Reflector View Answer / Hide Answer. 14. Take the Quiz and improve your overall Physics. Correct Answer. Multiple Choice Question (MCQ) of Electronics page-17:241. Multiple Choice Questions on Nuclear Power Engineering. b) Nuclear. Nuclear Power Plant - Nuclear Power plant Objective Questions and Answers. Match. Solid- fuel for nuclear reactions may be fabricated into various small shapes such as_____? 11. Control Rods Nuclear Reactor - MCQs with answers Q1. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has (A) High neutron absorption cross-section (B) Low moderating efficiency (C) High neutron scatter cross-section (D) Low neutron absorption cross-section Answer: Option B 02. Categories . (a) Ozone (b) Heavy hydrogen (c) Heavy water (d) Hydrogen peroxide Answer (c) Heavy water The most important ore of Aluminium is (a) Bauxite (b) Calamine (c) Calcite (d) Galena Answer (a) Bauxite Which one of the following elements exists in liquid state at room temperature? The function of a moderator in a nuclear reactor is. Spell. d) Air . A. U 238. (b) ... MCQ or Objective. In a nuclear electric power plant, the water used as a neutron moderator is also used to heat the water that drives the steam turbines that produce the electric power. D. Berellium. Categories Mechanical Engineering MCQs Post navigation. Chemical Engineering, Chemistry, best prices on genuine pfizer viagra Engineering. Electrical Engineering MCQ. October 20, 2020 by Admin. b. Multiple Choice Questions and Answers (MCQs) on Power Plant Engineering 01. Q14. The correct statement about a standalone nuclear reactor supplying power to varying loads: It is most efficient of all plants; It is slightly less efficient than a coal-fired power plant; It is inefficient; None of the above; Correct answer: 3. c) 2400 kWh. To slow down the fast-moving electron. A.To slow down the fast moving electrons Your Comments. A. return the neutrons back into the core B. shield the radioactivity completely C. check polllution D. conserve energy E. is not used. Set 1; Set 2; Set 3; Set 4) ∞ ) ) ) Post navigation. Moderator in Nuclear Power Plant. Nuclear Reactors - MCQs with answers Q1. B. U 235. b. D. None of the above View Answer. D. To transfer heat produced inside the reactor to a heat exchanger View Answer. 6. 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