Power Plant Engineering
A nuclear unit becoming critical means

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

ANSWER DOWNLOAD EXAMIANS APP

Power Plant Engineering
Enriched uranium is one in which

Extra energy is pumped from outside
Percentage of U has been artificially increased
Percentage of U₂₃₄ has been artificially increased
Percentage of U₂₃₅ has been artificially increased

ANSWER DOWNLOAD EXAMIANS APP