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← ScienceWhich outcome results when cooling a molten thorium fluoride salt reactor?
A)Neutron moderation capability decreases sharply✓
B)Parasitic neutron absorption increases moderately
C)Delayed neutron fraction becomes exceptionally large
D)Fission product volatility is acutely intensified
💡 Explanation
Neutron moderation capability decreases sharply because the temperature coefficient is negative; therefore, fission reaction rates reduce heavily, rather than resulting in changes specific to decay neutrons or heightened fission product evaporation.
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