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← ScienceWhich consequence results when radioactive fuel isotopes separate chemically?
A)Reduced reactor neutron moderation.✓
B)Increased coolant void coefficient.
C)Elevated core gamma heating.
D)Decreased fuel thermal conductivity.
💡 Explanation
Reactor power decreases because isotopic separation alters neutron absorption; thereby, the chain reaction slows, and the neutron flux needed for fission decreases, rather than other thermal effects because changes don't directly influence moderation.
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