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← ScienceWhich limit occurs when fissile material accumulates in solution?
A)Criticality and energy release✓
B)Decreased neutron absorption cross-section
C)Material phase transition stalling fission
D)Increased reaction temperature stabilizing reaction
💡 Explanation
A criticality accident initiates the uncontrolled release of energy because neutron multiplication via chain reaction exceeds control mechanisms. This leads to a dangerous surge in energy, therefore nuclear criticality is the correct answer rather than a change in cross-section; these outcomes occur at safe operational power levels.
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