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← ScienceWhich consequence results when Xe-135 production spikes within reactors?
A)Iodine pit formation inhibits reaction✓
B)Fuel rod embrittlement causes cladding breach
C)Delayed neutron emission ceases completely
D)Moderator boiling creates positive feedback
💡 Explanation
Iodine pit formation strongly absorbs neutrons, decreasing reactivity via neutron poisoning, because higher Xe-135 causes a sudden decrease in fission rates. Therefore, reactor power drops, rather than fuel damage or moderator boiling, because xenon absorption dominates.
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