Nuclear Power Engineering
An ideal coolant for a nuclear reactor should

Be capable of attaining high temperature, only when it is pressurised
Have high density, but low heat transfer co-efficient
Be a good absorber of neutrons
Be free from radiation damage and non-corrosive

ANSWER DOWNLOAD EXAMIANS APP

Nuclear Power Engineering
Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for

Avoiding the mixing of water with radioactive sodium, as it may cause explosion
Lowering the coolant circulation pressure
Faster heat removal rate from the core
Achieving high degree of superheat in the steam

ANSWER DOWNLOAD EXAMIANS APP