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General Knowledge · Q1325

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Competitive Exams · General Knowledge · question 1325

Q1325

In nuclear reactor, heavy water is used as

A.
Coolant
B.
Fuel
C.
Moderator
Answer
D.
Atomic smasher

Answer: Option C

Solution

Answer: Option C
Solution:
Moderator is required in a Nuclear reactor to slow down the neutrons produced during the fission reaction so that the chain reaction can be sustained. Heavy Water is an excellent moderator due to its high moderating ratio and low absorption cross section for neutrons.