Nuclear principles in engineering ch5
Nuclear Principles in Engineering Quiz
Test your knowledge of nuclear principles in engineering with our comprehensive quiz! Dive into topics ranging from radioactivity to decay processes and more. Perfect for students and professionals alike.
- 26 Challenging Questions
- Multiple Choice Format
- Learn as You Go!
Nuclei above lead (Pb) are all stable and have very long half-lives
True
False
Only the conservation of (mass-energy) is needed for a radioactive decay to exist
True
False
The probability that a radionuclide will decay in a unit time , is:
Radioactivity
Activity
Decay constant
The count rate (R) is proportional to the activity
True
False
The level of radioactivity of a substance is halved after one half-life , and is reduced to one quarter after two half-lives
True
False
The percent of Ra (A=226 ) that will decay during a period of 1000 years if the half life is 1600 years . Is:
64.8%
35.2%
41.3%
58.7%
Radioactivity is the ratio of nuclide activity to the total mass of the element present .
True
False
The rate of change of a daughter nuclide is equal to the rate of production minus the rate of decay
True
False
In secular equilibrium the decay constant of the parent is much longer than the decay constant of the daughter
True
False
After one half-life of the radioisotope ,half of the maximum activity is formed
True
False
When a nucleus has too many neutrons, it decays by emitting protons
True
False
Alpha decay is common for light nuclei
True
False
Beta-minus decay will occur if an atom of higher Z has a smaller mass
True
False
Beta decay has a continuous energy spectrum
True
False
Alpha decay has a discrete energy spectrum
True
False
The average energy for beta-plus decay is equal to (0.4 E-max)
True
False
Beta-minus decay produces an electron and a neutrino that always accompanies the decay.
True
False
The Q-value of beta-decay is equivalent to the difference in mass between the parent nucleus and the sum of the daughter nucleus and B particle
True
False
When the neutron-proton ratio is too low , the nucleus emits a positron
True
False
Positive Q-value for a decay means that its not possible
True
False
After the internal conversion or electron capture , the nucleus would only emit X-rays
True
False
The kinetic energy of an auger electron corresponds to the difference between the energy of the initial electron and the ionization energy of the emitted auger electron.
True
False
Gamma decay precedes alpha and beta decays
True
False
Primordial radioisotopes are produced due to human actions
True
False
Cosmic radiation can exist in many forms, from high speed heavy particles to high energy photons and muons
True
False
We can determine the age of a certain matter from the known content of radiocarbon C-12
True
False
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