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← ScienceWhich result occurs when control rods fail during fission?
A)Uncontrolled chain reaction escalation✓
B)Moderator boiling and pressure increase
C)Delayed neutron flux dampening
D)Fuel cladding corrosion acceleration
💡 Explanation
When control rods fail, neutron absorption decreases; this causes the uncontrolled **positive feedback** leading to more fission events because the reaction is not dampened, therefore a chain reaction escalates rapidly rather than stabilizes like standard operation due to negative feedback.
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