nuclear reactors - 2024 ACF Fall

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 Cornell	fall	Y	8	21.25	100%	100%	13%
2024 ACF Fall at Ohio State	fall	Y	8	20.00	100%	88%	13%
2024 ACF Fall at Washington	fall	Y	6	20.00	100%	83%	17%
2024 ACF Fall at Georgia	fall	Y	10	18.00	90%	80%	10%
2024 ACF Fall at North Carolina	fall	Y	9	18.89	89%	78%	22%
2024 ACF Fall at Claremont Colleges	fall	Y	5	28.00	100%	100%	80%
2024 ACF Fall at Rutgers	fall	Y	7	18.57	100%	71%	14%
2024 ACF Fall at Illinois	fall	Y	9	20.00	89%	100%	11%

Data


CWRU A (UG)	Michigan State B	10	10	0	20
Michigan B (UG)	CWRU C (UG)	10	10	0	20
Miami A (UG)	Michigan D (UG)	10	10	10	30
Miami C (DII)	Miami B (UG)	10	10	0	20
Appalachian State B	UNC B	10	10	0	20
VCU	Duke A	0	10	10	20
James Madison A	UNC C	10	10	0	20
Liberty A	Liberty C	10	10	0	20
NC State	Duke B	10	0	0	10
WashU B	Chicago B	10	10	0	20
Illinois A	Indiana	10	10	10	30
Illinois C	Notre Dame B	10	10	0	20
Iowa A	Purdue C	10	10	0	20
Illinois B	Northwestern A	10	0	0	10
Binghamton A	Cornell A	10	10	0	20
Binghamton B	RIT A	10	10	0	20
Cornell D	ESF	10	10	10	30
RIT B	Cornell F	10	10	0	20
Cornell G	RIT C	10	10	0	20
Penn State	Binghamton C	10	10	0	20
Syracuse	Cornell E	10	10	0	20
Cornell C	U of Rochester B	10	10	0	20
Michigan A (UG)	CWRU B (DII)	10	10	0	20
Michigan C	Michigan State A	10	10	0	20
Ohio State A (UG)	Ohio State C (DII)	10	10	0	20
Ohio State B (DII)	West Virginia A (UG)	0	10	0	10
UBC A	Alberta	10	10	0	20
UBC B	UW Lust	10	10	10	30
UW Chastity	UW Greed	10	10	0	20
UW Envy	Boise State	10	10	0	20
UW Gluttony	UW Wrath	10	10	0	20
UW Sloth	UW Pride	0	10	0	10
UNC A	James Madison B	10	10	0	20
Appalachian State A	UNC D	0	10	0	10
Virginia Tech B	Liberty B	10	10	10	30
Virginia Tech A	Virginia	10	10	0	20
Claremont A	Claremont C	10	10	10	30
UCLA B	Claremont B	10	10	10	30
UCLA A	UCSD	10	10	10	30
UCLA C	UCLA E	10	10	10	30
UCLA D	USC	10	10	0	20
Chicago A	Northwestern B	10	10	0	20
Purdue B	Notre Dame C	10	10	0	20
SIUE	Illinois D	10	10	0	20
WashU A	Purdue A	10	10	0	20
Auburn A	Emory Oxford	10	10	10	30
Auburn B	Tennessee A	10	0	0	10
Furman	Auburn C	10	10	0	20
Belmont	Tennessee B	10	10	0	20
Georgia A	Clemson A	10	10	0	20
Georgia Tech C	Clemson B	10	10	0	20
Georgia Tech E	Georgia Tech A	0	10	0	10
Southern	Alabama A	0	10	0	10
Vanderbilt A	South Carolina B	10	10	0	20
Emory A	South Carolina A	10	10	0	20
Columbia A	Maryland B	10	10	10	30
Columbia B	Penn A (DII)	10	10	0	20
Columbia J (DII)	Rowan A (DII)	10	10	0	20
Fordham A	Penn B (DII)	10	10	0	20
Maryland A (DII)	Rutgers B	10	10	0	20
NYU B	Lehigh A (UG)	0	10	0	10
Bard A (UG)	Princeton A (UG)	0	10	0	10