Water is a better coolant than a gas (like CO₂, He, N₂ etc.), because it

Question

Options:

A . Is a better neutron moderator as well

B . Requires comparatively smaller pumps and heat exchanger for a given heat transfer rate

C . Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature

D . All of the above

Answer: Option D

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