A) Sodium
B) Helium
C) Mercury
D) Water
Correct Answer: D
Solution :
In majority of commercial nuclear power plants Carbon Di-Oxide is used as Coolant to Cool the reactor Core. Once it has picked up enough heal from the reactor, the coolant (i.e.\[C{{O}_{2}}\]) itself needs to be cooled. This is the job of secondary cooling system known as the steam circuit, where water is used as coolant.You need to login to perform this action.
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