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← ScienceWhich risk increases when enriched uranium isotopes accumulate in reprocessing equipment?
A)Uncontrolled nuclear chain reaction✓
B)Catalyst poisoning within reactors
C)Excess formation of transuranics
D)Structural yielding due phase transition
💡 Explanation
An uncontrolled nuclear chain reaction becomes a risk because the increased concentration of fissile isotopes enhances the probability of neutron-induced fission events; therefore, criticality accidents occur, rather than only isotopic decay common at lower concentrations.
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