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

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

ANSWER DOWNLOAD EXAMIANS APP

Nuclear Power Engineering
A control rod

Should have small absorption cross-section
Is generally made of boron, hafnium or cadmium
Both B and C
Should have large absorption cross-section

ANSWER DOWNLOAD EXAMIANS APP