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Which outcome accelerates when neutron moderation decreases in a reactor core?

A)Chain reaction criticality increases
B)Xenon-135 poisoning decreases
C)Coolant boiling heat transfer improves
D)Fuel rod cladding corrosion decreases

💡 Explanation

A slowed neutron moderation decreases the probability of neutron capture by Uranium-235, initiating nuclear fission. Because the chain reaction criticality will increase, therefore, leading to a faster reaction rate and heat production, rather than poisoning reduction, heat transfer improvement or corrosion going down.

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