NUEN 304 Midterm 1 | UPDATED Questions with 100% Verified
Answers
Question:
The neutron multiplication factor of a reactor, k, is
The ratio of fission neutrons in the previous generation to the
fission neutrons in the next generation
The ratio of fission neutrons in the next generation to the
fission neutrons in the previous generation
The fractional increase in the number of fission neutrons
between two successive generations.
The difference between the number of fission neutrons in two
successive generations.
Answer:
The ratio of fission neutrons in the next generation to the fission neutrons in the previous
generation
Question:
From their definitions, identify which two of the six factors can
be greater than 1.0
n and e
e and p
p and f
n and f
Ptnl and Pfnl
Answer:
n and e
Question:
Of the various possible events in the life cycle of neutrons
listed below, find the one that has a chance of participating in
the production of new neurons.
Thermal neutrons that are absorbed in control rods
Neutrons that undergo radiative capture at the resonance
,energies
Neutrons that undergo radiative capture in fissile fuel isotopes
Thermal neutrons that are absorbed in fuel isotopes
Neutrons that escape from the reactor
Answer:
thermal neutrons that are absorbed in fuel isotopes
Question:
The ration of the neutrons produced by fission in one
generation to the number of ns lost thought absorption in the
preceding generation.
The ration of the neutrons produced by fission in one
generation to the number of ns lost thought absorption and
leakage in the preceding generation
choose what goes where
The effective multiplication factor k- eff
The infinite multiplication factor k- inf
Answer:
top is kinf bottom is keff
Question:
The reproduction factor is affected by
(several answers are possible)
the amount of neutron poison
the temperature of a fuel
and the temperature of the moderator
The enrichment of U235,
the moderator-to-fuel-ratio.
Answer:
u235 enrichment and temperature of the fuel
Question:
, The thermal utilization factor is affected by: (several answers
are possible)
the amount of neutrons poison
the moderator-to-fuel-ratio
the temperature of a fuel
and the temperature of the moderator
The enrichment of U235
Answer:
U235 enrichment, neutron poison, and moderator to fuel ratio
Question:
The resonance escape probability is affected by
(several answers are possible)
the enrichment of U235
the moderator-to-fuel-ratio.
the temperature of a fuel
the amount of neutron poison
and the temperature of the moderator
Answer:
U235 enrichment, fuel temp, moderator temp
Question:
Each individual R region has the same keff as system as whole
True
False
Answer:
True
Question:
Each individual R region has the same k-infinite as system as
whole
True
False
Answer:
Answers
Question:
The neutron multiplication factor of a reactor, k, is
The ratio of fission neutrons in the previous generation to the
fission neutrons in the next generation
The ratio of fission neutrons in the next generation to the
fission neutrons in the previous generation
The fractional increase in the number of fission neutrons
between two successive generations.
The difference between the number of fission neutrons in two
successive generations.
Answer:
The ratio of fission neutrons in the next generation to the fission neutrons in the previous
generation
Question:
From their definitions, identify which two of the six factors can
be greater than 1.0
n and e
e and p
p and f
n and f
Ptnl and Pfnl
Answer:
n and e
Question:
Of the various possible events in the life cycle of neutrons
listed below, find the one that has a chance of participating in
the production of new neurons.
Thermal neutrons that are absorbed in control rods
Neutrons that undergo radiative capture at the resonance
,energies
Neutrons that undergo radiative capture in fissile fuel isotopes
Thermal neutrons that are absorbed in fuel isotopes
Neutrons that escape from the reactor
Answer:
thermal neutrons that are absorbed in fuel isotopes
Question:
The ration of the neutrons produced by fission in one
generation to the number of ns lost thought absorption in the
preceding generation.
The ration of the neutrons produced by fission in one
generation to the number of ns lost thought absorption and
leakage in the preceding generation
choose what goes where
The effective multiplication factor k- eff
The infinite multiplication factor k- inf
Answer:
top is kinf bottom is keff
Question:
The reproduction factor is affected by
(several answers are possible)
the amount of neutron poison
the temperature of a fuel
and the temperature of the moderator
The enrichment of U235,
the moderator-to-fuel-ratio.
Answer:
u235 enrichment and temperature of the fuel
Question:
, The thermal utilization factor is affected by: (several answers
are possible)
the amount of neutrons poison
the moderator-to-fuel-ratio
the temperature of a fuel
and the temperature of the moderator
The enrichment of U235
Answer:
U235 enrichment, neutron poison, and moderator to fuel ratio
Question:
The resonance escape probability is affected by
(several answers are possible)
the enrichment of U235
the moderator-to-fuel-ratio.
the temperature of a fuel
the amount of neutron poison
and the temperature of the moderator
Answer:
U235 enrichment, fuel temp, moderator temp
Question:
Each individual R region has the same keff as system as whole
True
False
Answer:
True
Question:
Each individual R region has the same k-infinite as system as
whole
True
False
Answer:
