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

In the six-factor formula k_eff = k_inf * P_f * P_t, what does the thermal utilization factor (f) represent?

The ratio of thermal neutrons absorbed in fuel to thermal neutrons absorbed in all core materials The probability that a fast neutron escapes resonance capture while thermalizing The average number of fission neutrons released per neutron absorbed in fissile material The ratio of fast neutrons produced by all fissions to fast neutrons produced by thermal fissions

Correct Answer:

The ratio of thermal neutrons absorbed in fuel to thermal neutrons absorbed in all core materials

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