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Which chain reaction effect results in fuel rod cladding failure during coolant loss in a reactor?

A)Increased neutron moderation by steam
B)Doppler broadening of fuel absorption
C)Void coefficient induces supercriticality
D)Delayed neutron lifetime decreases rapidly

💡 Explanation

The void coefficient causes increased reactivity and a power surge following coolant loss because neutron absorption decreases therefore power escalates triggering the positive feedback loop and overheating, rather than immediate stabilization.

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