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← ScienceWhich consequence results when a thorium nuclear power plant's coolant flow is suddenly lost?
A)Control rods spontaneously eject upwards
B)A prompt criticality excursion results
C)Fuel melting is significantly delayed✓
D)Delayed neutron fraction rapidly increases
💡 Explanation
Heat flow is abruptly arrested if coolant flow is lost; therefore, fuel melting is delayed because of thorium's high heat capacity, rather than prompt criticality, which is mitigated by robust reactor design.
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