Which parts function is to reduce the energy of fast neutrons to thermal neutrons in nuclear power plant?(a) Moderator(b) Coolant circulator(c) Control rods(d) ShieldingThis question was addressed to me by my college director while I was bunking the class.Origin of the question is Nuclear Reactor Components in division Nuclear Power Plant of Energy Engineering

Which parts function is to reduce the energy of fast neutrons to therm

1.	Which parts function is to reduce the energy of fast neutrons to thermal neutrons in nuclear power plant?(a) Moderator(b) Coolant circulator(c) Control rods(d) ShieldingThis question was addressed to me by my college director while I was bunking the class.Origin of the question is Nuclear Reactor Components in division Nuclear Power Plant of Energy Engineering
Answer» CORRECT answer is (a) Moderator The explanation is: FUNCTION of moderator is to reduce the energy of fast neutrons to THERMAL neutrons. Due to HIGH energy of fission neutrons relative to that required to trigger another fission event their probability of INTERACTING with U^235 is small.

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