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← ScienceWhich outcome results from exceeding the neutron flux limit inside a CANDU reactor?
A)Iodine-131 concentration will increase greatly✓
B)Deuterium enrichment will accelerate downstream
C)Calandria tube integrity would become lower
D)Moderator temperature approaches to criticality
💡 Explanation
Increased neutron flux causes increased fission, leading to radioactive I-131 buildup through the Beta decay mechanism; therefore, coolant activity rises, rather than the calandria's integrity, because the primary effect involves nuclear activity in the fuel channels.
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