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← ScienceWhich outcome occurs when control rods fail during criticality?
A)Uncontrolled chain nuclear reaction✓
B)Moderator volume decreases gradually
C)Heat transfer process is optimized
D)Fission products become chemically inert
💡 Explanation
A runaway event initiates because the neutron absorption mechanism will cease. Since the rate of fission accelerates therefore, the heat output rises uncontrollably rather than regulated energy production at safe operational levels.
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