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← ScienceWhich consequence results when pressurized water reactor coolant enrichment decreases?
A)Reduced neutron moderation efficiency ensues✓
B)Increased gamma radiation releases occur
C)Fuel temperature operational thresholds reduce
D)Cladding corrosion experiences exponential reduction
💡 Explanation
Reduced enrichment decreases the fraction of fissile uranium-235 isotopes, thus the neutron moderation process lessens because less neutron capture occurs; therefore the fission chain reaction slows down, rather than accelerating coolant temperatures or material corrosion.
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