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Question
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What does criticality refer to in a nuclear reactor?
Official answer & explanation
A
The total shutdown of the reactor
B
The initiation of a self-sustaining nuclear fission reaction
C
The full-scale electricity generation
D
The cooling of the reactor
Why this is correct
🔍 Criticality is crucial for a nuclear reactor as it helps sustain the chain reaction without external sources. It’s the point where fission keeps going on its own, but electricity generation is not yet achieved! ⚛️
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