A nuclear unit becoming critical means Options: A . &nbspIt is generating power to rated capacity B . &nbspIt is capable of generating much more than rated capacity C . &nbspThere is danger of nuclear spread D . &nbspChain reaction that causes automatic splitting of the fuel nuclei has been established

A nuclear unit becoming critical means

Discussion Forum : Power Plant Engineering

Question - A nuclear unit becoming critical means

Options:

A . It is generating power to rated capacity

B . It is capable of generating much more than rated capacity

C . There is danger of nuclear spread

D . Chain reaction that causes automatic splitting of the fuel nuclei has been established

Answer: Option D
A nuclear unit becoming critical means Chain reaction that causes automatic splitting of the fuel nuclei has been established
when the reactor is in a configuration such that one neutron from each atom fissioned causes another fission and then the reactor is said to be critical

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