HKIE Professional Assessment - Nuclear Discipline Practice Questions - HKIE Professional Assessment - Nuclear Discipline (Hong Kong Institution Of Engineers) Exam

What is the definition of the effective neutron multiplication factor (k_eff) for a nuclear reactor core?

The ratio of neutron production from fission to total neutron loss from absorption and leakage in a generation The total number of prompt neutrons released per thermal neutron absorbed in U-235 fuel The ratio of fast neutron flux to thermal neutron flux in the steady-state core The decay constant of delayed neutron precursors divided by prompt neutron generation time

Correct Answer:

The ratio of neutron production from fission to total neutron loss from absorption and leakage in a generation

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