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← ScienceWhich outcome results when uncontrolled fission accelerators thermal runaway?
A)Moderator temperature decrease
B)Fuel cladding meltdown✓
C)Reduced neutron flux density
D)Increased criticality margin efficiency
💡 Explanation
Fuel cladding melts because positive feedback causes increased fission rates, leading to thermal runaway. The increased heat causes materials to degrade via nuclear heating effects rather than decreasing moderator temperature; therefore, runaway is more dangerous.
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