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Why is the moderator important in a nuclear reactor?
The moderator in a nuclear reactor is important because it slows down fast-moving neutrons, making them more likely to react with the nuclear fuel, sustaining the nuclear chain reaction. Without a moderator, the reactor would not be able to sustain a chain reaction efficiently, resulting in reduced power output or shutdown of the reactor.
Which elements are used for nuclear reactors in India?
Uranium. There is some interest in using thorium in the future. Thorium cannot be used directly as fuel in a reactor as it does not fission, it requires a fast breeder reactor to convert it to Uranium-233 which does fission.
What are the moderator used in a nuclear reactor with natural uranium?
Graphite rods are used as moderators in a nuclear reactor with natural uranium. Graphite slows down the fast neutrons released during fission reactions, allowing them to cause further reactions and sustain the chain reaction. This is necessary because natural uranium is not as efficient at sustaining a chain reaction without a moderator.
In a breeder reactor a. Plutonium is converted into uranium or b. Uranium is converted into plutonium?
b. Uranium is converted into plutonium in a breeder reactor through the process of neutron capture in a fast neutron environment. This allows for the creation of more fissile material than is consumed, making it possible to generate more fuel than is used up in the reactor.
In nuclear reactor heavy water is used as?
In a nuclear reactor, heavy water is used as a neutron moderator. It slows down neutrons produced during nuclear fission to enhance the probability of additional fission reactions. Heavy water, with its extra neutron, is more effective at slowing down neutrons compared to regular (light) water.
Does a breeder nuclear reactor use moderator?
No, a breeder nuclear reactor does not typically use a moderator. Breeder reactors are designed to produce more fissile material than they consume by using fast neutrons to convert non-fissile isotopes into fissile ones without slowing down the neutrons.
Why moderator is not use in bleeder reactor?
Moderators are not used in a breeder reactor because their primary purpose is to slow down neutrons to increase the likelihood of fission events in a thermal reactor. In a breeder reactor, fast neutrons are required to convert non-fissile uranium-238 into fissile plutonium-239, so using a moderator would hinder this process.
What is the coolant used in kalpakkam power station in India?
Kalpakkam has both Thermal reactor (Madras Atomic Power Station) and Fast Breeder Reactor -FBTR and PFBR (Under construction). In MAPS (thermal reactor) it is Heavy Water (D2O) Which acts as a coolant as well as moderator, where as in Fast Breeder Test Reactor (FBTR) and Prototype Fast Breeder Reactor (PFBR) Sodium (Na) is used as coolant. Since there should not any moderators for fast reactors D2O will not be used as coolant in fast reactors.
What is a FBB reactor?
You may mean FBR - this stands for Fast Breeder Reactor
What is UK 's first fast breeder reactor in Scotland called?
Dounreay PFR (Prototype Fast Reactor)
Can a reactor without moderator is present?
Yes, they are fast nuclear reactors
Fast breeder reactor in India?
See the India section of www.world-nuclear.org
Why is the moderator important in a nuclear reactor?
The moderator in a nuclear reactor is important because it slows down fast-moving neutrons, making them more likely to react with the nuclear fuel, sustaining the nuclear chain reaction. Without a moderator, the reactor would not be able to sustain a chain reaction efficiently, resulting in reduced power output or shutdown of the reactor.
What are disadvantages of fast breeder reactor?
The main disadvantage is the positive temperature coefficient of reactivity.
Which type of pump is used to pump liquid metal in fast breeder reactor?
GEAR
In Oct2004 where did the prime minister of India inaugurate the prototype fast breeder reactor?
KalpakkamKalpakkam
In october 2004 where did the prime minister of India inaugrate the prototype fast breeder reactor?
kalapakkam
