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← ScienceWhich outcome occurs following excessive tritium buildup in a CANDU reactor?
A)Increased neutron absorption cross-section✓
B)Elevated moderator coolant viscosity
C)Enhanced fuel cladding corrosion rate
D)Reduced prompt neutron generation time
💡 Explanation
Excessive tritium production, an isotope of hydrogen, increases neutron absorption because tritium’s cross-section for neutron capture is significantly higher than normal hydrogen. Therefore, neutron flux decreases rather than increases, and reactivity maintenance demands different enrichment strategies.
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