Discussion :: Power Plant Engineering
- The size of the reactor is said to be critical when
|
A.
Chain reaction can be initiated |
|
B.
It becomes uncontrollable |
|
C.
It explodes |
|
D.
It produces no power |
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Answer : Option A
Explanation :
When the atom-splitting reactor of a nuclear power plant is operating normally, it is said to be “critical” or in a state of “criticality.”
Criticality means that a reactor is controlling a sustained fission chain reaction, where each fission event releases a sufficient number of neutrons to maintain an ongoing series of reactions. This is the normal state of nuclear power generation.
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