Power Plant Engineering
Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is

Carbon dioxide
Graphite
No moderator is needed
Heavy water

ANSWER DOWNLOAD EXAMIANS APP

Power Plant Engineering
Ferrite material is

The material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
Basic raw material for nuclear plants
The basic fuel for nuclear paints
The most fissionable material

ANSWER DOWNLOAD EXAMIANS APP

Power Plant Engineering
A nuclear unit becoming critical means

It is capable of generating much more than rated capacity
There is danger of nuclear spread
It is generating power to rated capacity
Chain reaction that causes automatic splitting of the fuel nuclei has been established

ANSWER DOWNLOAD EXAMIANS APP