Question

The CANDU design of these devices is partially named for its use of heavy water as a neutron moderator, as well as the country of Canada. For 10 points each:
[10m] Name these devices, which use control rods to limit the propagation of neutrons. The first one of these devices was known as Chicago Pile-1.
ANSWER: nuclear reactors [or fission reactors; prompt on reactor or CANDU reactor]
[10e] Control rods are often made with this allotrope of carbon, which is the so-called “lead” in pencils.
ANSWER: graphite
[10h] CANDU reactors can use thorium to generate uranium, which makes it one of these types of reactors that generates more fissile material than it uses.
ANSWER: breeder reactor
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Summary

2024 ACF Fall at CornellfallY821.25100%100%13%
2024 ACF Fall at Ohio StatefallY820.00100%88%13%
2024 ACF Fall at WashingtonfallY620.00100%83%17%
2024 ACF Fall at GeorgiafallY1018.0090%80%10%
2024 ACF Fall at North CarolinafallY918.8989%78%22%
2024 ACF Fall at Claremont CollegesfallY528.00100%100%80%
2024 ACF Fall at RutgersfallY718.57100%71%14%
2024 ACF Fall at IllinoisfallY920.0089%100%11%

Data

Appalachian State BUNC B1010020
VCUDuke A0101020
James Madison AUNC C1010020
Liberty ALiberty C1010020
NC StateDuke B100010
UNC AJames Madison B1010020
Appalachian State AUNC D010010
Virginia Tech BLiberty B10101030
Virginia Tech AVirginia1010020