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

Nuclear Power Engineering 20/06/2021

A. Is a better neutron moderator as well
B. Require 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 A., B. and C.

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