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Which consequence results when control rods improperly retract in a fission reactor?

A)Neutron flux increases exponentially
B)Moderator volume immediately decreases
C)Coolant pressure reaches dangerous lows
D)Structural materials experience induced magnetism

💡 Explanation

Loss of neutron absorption increases neutron population, triggering supercriticality because increased fission events release still more neutrons; therefore neutron flux increases exponentially, rather than decreasing coolant pressure, since temperature control is through neutron capture.

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