Nuclear Power Engineering
Molten sodium is used as a coolant in a fast breeder reactor, because of its

Faster heat removal capability from the core
Excellent moderating properties
Capability to increase the reaction rate in the core
Neutron breeding capability

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP