Nuclear Power Engineering
Candu reactor is a __________ nuclcear reactor.

Natural uranium fuelled heavy water cooled & moderated
Homogeneous
Highly enriched uranium (85% U-235) fuelled
Fast breeder

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

Is a better neutron moderator as well
All of these
Requires comparatively smaller pumps and heat exchanger for a given heat transfer rate
Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature

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