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← ScienceWhich outcome increases when cadmium control rods fail during reactor fission?
A)Uncontrolled chain reaction acceleration✓
B)Enhanced moderator neutron absorption
C)Lowered coolant operating temperature
D)Delayed neutron production increases
💡 Explanation
Runaway fission arises when the control rods fail because neutron absorption decreases, allowing a faster supercritical reaction via neutron multiplication, therefore accelerating chain reactions rather than reducing them because other options involve mitigation.
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