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Questions from a nuclear engineering exam covering topics such as isotopes, excited states, nucleus composition, radiation, and reactions. It includes multiple-choice questions and true or false statements.
Typology: Exams
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D. relativistic mechanics A
e. all statements b
find resultant scattered neutron energy in keV
What is max possible angle for neutron scattered from hydrogen? 90 degrees
for an inelastic scattering the incident neutron KE must exceed a certain threshold energy true or false true
KE is observed for inelastic scattering true or false false
in elastic scattering: KE of scattered neutron is _______________ (smaller/larger) than energy of incident neutron by amt equal to energy acquired by recoiling nucleus smaller
the disintegration process of compound nucleus if dependent on original mode of formation true or false false
good moderator has low alpha (collision parameter) true or false true
calculate average energy loss for neutron in elastic scattering with stationary nucleus A = 28, if initial neutron energy is E = 285 keV
at high energy, a neutron's lethargy is _________ (low/high) low
as neutrons slow down and neutron's energy decreases, lethargy ________________ (increases/decreases) increases
1st energy excited state of atom is increasing with atomic number A true or false false
What is collision parameter (alfa) for nuclide with A=
explain why scattering of neutrons by hydrogen is unique masses of neutron and hydrogen nucleus (proton) are essentially equal