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← ScienceWhich consequence results when excessive neutron absorption reduces fission?
A)Powerplant reactivity decreases significantly✓
B)Increased waste heat generation occurs
C)Fuel element corrosion decelerates
D)Coolant flow rate increases sharply
💡 Explanation
Moderator poisoning reduces reactor power because neutron absorption decreases the probability of Uranium fission via neutron flux reduction. Therefore, the plant's reactivity decreases rather than increasing heat or affecting corrosion because these issues involve different mechanisms.
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