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← ScienceWhich consequence results when excessive enrichment occurs within uranium fuel rods?
A)Increased neutron flux destabilizes moderators
B)Increased risk of prompt criticality✓
C)Reduced control rod effectiveness emerges
D)Neutron poisoning becomes more probable
💡 Explanation
Prompt criticality risk increases because the chain reaction escalates rapidly due to excess fissile material, via neutron multiplication. This runaway reaction causes a sudden, uncontrolled burst of energy, therefore damaging the reactor, rather than neutron moderators failing.
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