General Knowledge - General Science - Discussion
Discussion Forum : General Science - Nuclear Science (Q.No. 1)
1.
Which of the following is used as a moderator in nuclear reactor?
Discussion:
42 comments Page 2 of 5.
S kumur said:
10 years ago
In nuclear reactor cadmium rod and D2O is used to moderate the electron to speed down the reaction.
Sss said:
9 years ago
@S Kumur.
Why cadmium rods are used?
Why cadmium rods are used?
Gajendra malav said:
9 years ago
Graphite moderating ratio is 170. It is a second best moderator first is D2O.
MUKUNDA pollayi said:
9 years ago
In nuclear reactors. There is. No participation of electrons. Only proton and neutron only. In this case, both graphite and heavy water (20. Atomic mass) are suggestible.
Both reduce the speed of neutrons.
Then, The probability of colliding nature of neutrons to uranium will increase.
In each collision, 3 neutrons released out of 3, two are absorbed by cadmium rods. Remaining 1 neutron speed will be controlled by graphite and heavy water.
Both reduce the speed of neutrons.
Then, The probability of colliding nature of neutrons to uranium will increase.
In each collision, 3 neutrons released out of 3, two are absorbed by cadmium rods. Remaining 1 neutron speed will be controlled by graphite and heavy water.
Edward Narteh said:
9 years ago
What property of water makes it a good moderator?
Satinath Maity said:
9 years ago
I think ordinary water is more strong answer than graphite.
Zahid said:
8 years ago
But ordinary water is not used as moderator there are many types moderators like graphite, cd road as well as d2o.
Anurag Ranjan said:
8 years ago
Beryllium and heavy water is also used as moderate of nuclear reactor.
Harsh said:
7 years ago
Heavy water is used for this.
Pradeep Singh choudhary said:
7 years ago
But mostly used moderator is light water. Which is used upto 75%.
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