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

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 (a), (b) and (c).

Submitted by: Muhammad
Option D
Submitted by: Muhammad

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