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← ScienceWhich consequence results when exceeding control rod limits in reactors?
A)Uncontrolled fission chain reaction✓
B)Reduced neutron moderation efficiency
C)Elevated coolant system pressure
D)Increased thermal energy conversion
💡 Explanation
An uncontrolled fission chain reaction occurs because neutron absorption decreases; therefore, reactivity multiplies without restraint, rather than other safety designs compensating because limits are exceeded.
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