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← ScienceWhich risk increases when the binding energy per nucleon decreases in reactor fuel?
A)Reduced neutron moderation efficiency
B)Spontaneous fission chain reaction✓
C)Decreased control rod effectiveness
D)Elevated helium production within cladding
💡 Explanation
Reduced binding energy per nucleon increases the likelihood of spontaneous fission because the strong nuclear force is less dominant, therefore making the nucleus more susceptible to instability rather than retaining its integrity.
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