The first person to graduate from a PhD program in nuclear engineering
Who is Roy Axford?
100
nucleus of He-4, or 2 neutrons + 2 protons
What is an alpha particle?
100
the concentration percentage of U-235 in natural uranium
What is 0.7%?
100
Size of a barn (not the farm kind)
What is 10^-24 cm^2
100
What does "PET" scan stand for?
Positron emission tomography
200
The university where the first sustained critical nuclear system created
What is University of Chicago?
200
Why radioactive istopes are radioactive?
too large or wrong neutron/proton ratio
too large or wrong neutron/proton ratio
200
How many times more energy is released from nuclear reaction relative to chemical reaction (form example fission vs chemical)
1-10 millions times more
200
What is the dominant decay mode of neutron-rich isotope?
B- (beta minus)
200
What does "SPECT" scan stand for?
Single photon emission computed tomography
300
The name of the first nuclear bomb test in the United States, and it's detonation location
What is Trinity, in New Mexico?
300
What is the largest stable element or isotope?
Lead, Pb-208
300
Given example of Gen-IV reactor.
Any non-LWR and non-CANDU is fine: sodium-cooled fast reactor, lead-cooled fast reactor, gas cooled fast or thermal reactor, molten salt thermal reactor
300
What is the average energy of a thermal neutron, and its average velocity?
.025 eV, 2200 m/s
300
Which of these two modalities (PET or SPECT) is most useful in imaging in-vivo over time?
SPECT
400
Owner of the most commercial nuclear reacts in the world
What is Electricite de France?
400
What is the neutronics quality of water that makes it a good moderator of neutrons for use in a nuclear reactor?
The scattering cross section of hydrogen is large (around 80 barns) and slows down neutrons quickly.
400
What is the efficiency of a Generation III nuclear power plant?
33-36%, anywhere in that range is good.
400
What is the value of k effective for an infinite critical system?
One
400
What are some common collimator geometries used in X-ray scans? Like the shapes of the collimator holes?
Any of these: triangle, pinhole, cylinder, hexagonal, slits
500
The person who discovered the neutron and when it was discovered
What is Chadwick, 1932?
500
If you have a block of uranium in vacuum with k effective of one and add a boron shield to one side, what will happen to k effective?
It will increase to more than one.
500
6) What is the name of the first grid-tied nuclear reactor?
ERV-1
500
What is the main element used in creating fuel cladding for nuclear fuel rods?
Zirconium
500
What is a gamma camera?
A camera that only picks up high-energy gamma rays to reconstruct an image