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Manhattan Project - Quiz
Contributed by: Edwards
  • 1. What was the codename for the heavy water production program?
A) Ames Project
B) Manhattan Project
C) Ordnance Project
D) P-9 Project
  • 2. Where was the Eldorado Mine located?
A) Port Hope
B) Joachimsthal
C) Port Radium
D) Uravan
  • 3. What process did the American heavy water plants use?
A) Diffusion
B) Distillation
C) Electrolysis
D) Chemical precipitation
  • 4. How much heavy water was estimated to be required per month?
A) 3 short tons
B) 1,720 short tons
C) 1,200 short tons
D) 0.5 short tons
  • 5. Which of the four major uranium deposits in 1940 was not in Allied hands?
A) Joachimsthal
B) Colorado
C) Belgian Congo
D) Northern Canada
  • 6. Where was the Shinkolobwe mine located?
A) Colorado
B) Belgian Congo
C) Czechoslovakia
D) Canada
  • 7. Who was the director of the company that owned the Shinkolobwe mine?
A) John Winant
B) John Anderson
C) Edgar Sengier
D) Frank Spedding
  • 8. What chemical was used to dissolve raw uranium ore?
A) Nitric acid
B) Sulfuric acid
C) Uranyl nitrate
D) Hydrochloric acid
  • 9. Where was the Ames Project located?
A) Mallinckrodt
B) Port Radium
C) Trail
D) Iowa State College
  • 10. Who led the Ames Project to investigate uranium metal production?
A) Groves
B) Nichols
C) Frank Spedding
D) Sir John Anderson
  • 11. What was the name of the company that owned the Shinkolobwe mine?
A) Union Minière du Haut-Katanga
B) DuPont
C) US Vanadium Corporation
D) Eldorado Gold Mines
  • 12. Where was the stockpile that Groves arranged to purchase to avoid dependence on Britain and Canada?
A) Uravan, Colorado
B) Port Hope, Ontario
C) Trail, Canada
D) Staten Island
  • 13. Which company built and operated the heavy water plants despite Ordnance Department contracts?
A) Union Minière
B) DuPont
C) Mallinckrodt
D) Army Corps of Engineers
  • 14. What happens to the uranium ore after it is dissolved in nitric acid?
A) It is helium cooled
B) It is distilled
C) It produces uranyl nitrate
D) It is turned into plutonium
  • 15. What was the final product of the Ames process?
A) Uranyl nitrate
B) Uranium metal
C) Uranium trioxide
D) Uranium dioxide
  • 16. Who accompanied Groves to inspect the Tennessee site?
A) Prentice Cooper
B) Kenneth Nichols
C) Robert P. Patterson
D) Colonel Marshall
  • 17. How much land did the Corps of Engineers initially seek to acquire in Tennessee?
A) 13,000 acres
B) 3,000 acres
C) 82,000 acres
D) 56,000 acres
  • 18. What was the original name of the Oak Ridge site?
A) Kingston Demolition Range
B) Black Oak Ridge Range
C) Manhattan Engineer District
D) Clinton Engineer Works
  • 19. Which firm was responsible for developing the residential community for 13,000 people?
A) Skidmore, Owings & Merrill
B) Roane-Anderson Company
C) Stone & Webster
D) Turner Construction Company
  • 20. From what geographical feature did the town of Oak Ridge get its name?
A) Kingston Range
B) Black Oak Ridge
C) Clinton River
D) Roane Mountain
  • 21. Who replaced Marshall as the head of the Manhattan Engineer District?
A) Cooper
B) Groves
C) Patterson
D) Nichols
  • 22. Which company handled the administration of community facilities starting in September 1943?
A) Skidmore, Owings & Merrill
B) Turner Construction Company
C) Stone & Webster
D) Roane-Anderson Company
  • 23. What was the target enrichment level for uranium-235 at the site?
A) 10% to 12%
B) 5% to 8%
C) 90% to 95%
D) 20% to 25%
  • 24. What was the peak population of Oak Ridge in May 1945?
A) 82,000
B) 13,000
C) 75,000
D) 10,000
  • 25. What was the final cost per acre for the land acquisition?
A) $100
B) $47
C) $62
D) $35
  • 26. When did the land acquisition process officially conclude?
A) March 1945
B) August 1943
C) October 1943
D) September 1942
  • 27. How many families were affected by the land acquisition order?
A) About 500
B) About 75,000
C) About 1,000
D) About 13,000
  • 28. What was the final total cost of the land acquisition?
A) $3.5 million
B) $5.6 million
C) $2.6 million
D) $1.2 million
  • 29. During which historical event was the Manhattan Project conducted?
A) The Vietnam War
B) The Cold War
C) World War II
D) World War I
  • 30. Which countries collaborated with the United States on the Manhattan Project?
A) Italy and Japan
B) United Kingdom and Canada
C) Australia and New Zealand
D) France and Germany
  • 31. Who directed the Manhattan Project from 1942 to 1946?
A) J. Robert Oppenheimer
B) Enrico Fermi
C) Albert Einstein
D) Leslie Groves
  • 32. Who was the director of the Los Alamos Laboratory?
A) J. Robert Oppenheimer
B) Harry Truman
C) Leslie Groves
D) Franklin D. Roosevelt
  • 33. Which British project was absorbed into the Manhattan Project?
A) Manhattan District
B) Operation Crossroads
C) Clinton Engineer Works
D) Tube Alloys
  • 34. What consumed over 80 percent of the Manhattan Project's cost?
A) Security operations
B) Scientific salaries
C) Building and operating fissile material production plants
D) Transportation of materials
  • 35. Where was enriched uranium produced?
A) Clinton Engineer Works
B) Los Alamos Laboratory
C) White Sands Proving Ground
D) Hanford Engineer Works
  • 36. Where was plutonium produced?
A) Bikini Atoll
B) Clinton Engineer Works
C) Hanford Engineer Works
D) Manhattan
  • 37. What type of weapon was Fat Man?
A) Enriched uranium gun-type
B) Uranium implosion-type
C) Plutonium implosion-type
D) Plutonium gun-type
  • 38. What was the name of the first nuclear device ever detonated?
A) Little Boy
B) Trinity
C) Fat Man
D) Bikini
  • 39. Where was the Trinity test conducted?
A) Tennessee
B) Bikini Atoll
C) Los Alamos
D) White Sands Proving Ground
  • 40. Which commission replaced the Manhattan Project's control in 1947?
A) Army Corps of Engineers
B) United States Atomic Energy Commission
C) Department of Energy
D) Nuclear Regulatory Commission
  • 41. Who signed the letter addressed to President Roosevelt in 1939?
A) Lyman Briggs
B) Enrico Fermi
C) Vannevar Bush
D) Albert Einstein
  • 42. Who was appointed by Roosevelt to head the Advisory Committee on Uranium?
A) Lyman Briggs
B) Vannevar Bush
C) Enrico Fermi
D) Leo Szilard
  • 43. In what year did the U.S. Navy award $6,000 to Columbia University?
A) 1940
B) 1939
C) 1941
D) 1938
  • 44. What material did Fermi and Szilard primarily purchase with the Navy grant?
A) Uranium-235
B) Heavy water
C) Graphite
D) Plutonium
  • 45. Where were the prototype nuclear reactors built at Columbia University?
A) The Navy laboratory
B) The main library
C) Pupin Hall
D) The basement of the OSRD
  • 46. Which organization absorbed the Advisory Committee on Uranium in 1940?
A) Office of Scientific Research and Development
B) The Uranium Commission
C) The U.S. Navy
D) National Defense Research Committee
  • 47. Who was the director of the Office of Scientific Research and Development?
A) Leo Szilard
B) Vannevar Bush
C) Enrico Fermi
D) Lyman Briggs
  • 48. When was plutonium first isolated?
A) August 1939
B) June 1940
C) October 1939
D) February 1941
  • 49. What specific isotope did Briggs propose researching in July 1941?
A) Uranium-235
B) Plutonium-239
C) Uranium-238
D) Graphite-12
  • 50. Who briefed American scientists on British developments during the Tizard Mission?
A) Rudolf Peierls
B) Otto Robert Frisch
C) John Cockcroft
D) Mark Oliphant
  • 51. Which Australian physicist discovered that the MAUD Committee's report had not reached key American physicists?
A) Vannevar Bush
B) John Cockcroft
C) Mark Oliphant
D) Ernest O. Lawrence
  • 52. Which scientist did Mark Oliphant convince to start his own research after visiting Berkeley?
A) George B. Pegram
B) Arthur H. Compton
C) Ernest O. Lawrence
D) James B. Conant
  • 53. What was the name given to the OSRD Section on Uranium after its leadership was expanded?
A) MAUD Committee
B) Uranium Commission
C) Top Policy Group
D) Section S-1
  • 54. Who was the Prime Minister of Britain contacted by Roosevelt regarding atomic matters?
A) John Cockcroft
B) Rudolf Peierls
C) Otto Robert Frisch
D) Winston Churchill
  • 55. Which US Vice President was a member of the Top Policy Group?
A) Henry L. Stimson
B) Henry A. Wallace
C) Harry S. Truman
D) George C. Marshall
  • 56. Who directed research into thermal diffusion?
A) Philip Abelson
B) Harold Urey
C) Eger Murphree
D) Arthur Compton
  • 57. Where was gaseous diffusion research conducted?
A) University of Chicago
B) Columbia University
C) University of California
D) Naval Research Laboratory
  • 58. Who supervised the project investigating gas centrifuges?
A) Harold Urey
B) Philip Abelson
C) Jesse Wakefield Beams
D) Eger Murphree
  • 59. Which moderator did Harold Urey research for nuclear reactors?
A) Graphite
B) Light water
C) Heavy water
D) Beryllium
  • 60. Who organized the Metallurgical Laboratory at the University of Chicago?
A) Arthur Compton
B) Harold Urey
C) Ernest Lawrence
D) Philip Abelson
  • 61. Who served as the Army's representative on nuclear matters?
A) Wilhelm D. Styer
B) James Conant
C) Vannevar Bush
D) Franklin D. Roosevelt
  • 62. On what date did President Roosevelt approve the S-1 Committee recommendations?
A) 7 December 1941
B) 17 June 1942
C) 18 December 1941
D) 1 January 1942
  • 63. Which organization was responsible for the $31 million research and development budget?
A) United States Army Corps of Engineers
B) Naval Research Laboratory
C) Metallurgical Laboratory
D) OSRD
  • 64. Who selected Colonel James C. Marshall to head the Army's part of the Manhattan Project?
A) Leslie Groves
B) J. Robert Oppenheimer
C) Eugene Reybold
D) Arthur Compton
  • 65. Where were the temporary headquarters of the Manhattan District initially established?
A) Chicago, Illinois
B) Washington, D.C.
C) 270 Broadway, New York
D) Knoxville, Tennessee
  • 66. Which company was the principal contractor for the project?
A) General Electric
B) DuPont
C) Stone & Webster
D) Westinghouse
  • 67. What recommendation did the War Production Board make regarding the production site location?
A) New York City
B) Chicago, Illinois
C) Knoxville, Tennessee
D) Pennsylvania
  • 68. Which of the prospective processes appeared advanced enough for construction to commence early on?
A) Thermal diffusion
B) Gaseous diffusion
C) Electromagnetic separation
D) Centrifuge separation
  • 69. What was the highest priority rating Colonel Lucius D. Clay assigned to the project?
A) AA-2
B) AA-3
C) AAA
D) AA-1
  • 70. Why did Gregory Breit quit the project in May 1942?
A) Concerns over lax operational security
B) Disagreements over project funding
C) Scientific disagreements with Oppenheimer
D) Health problems
  • 71. Who calculated that the atmosphere igniting was 'extremely unlikely'?
A) Arthur Compton
B) Edward Teller
C) Hans Bethe
D) J. Robert Oppenheimer
  • 72. Who was the chairman of the War Production Board that Groves approached for priority ratings?
A) Vannevar Bush
B) Donald Nelson
C) Henry Stimson
D) Harvey Bundy
  • 73. What priority rating did Groves finally receive on 1 July 1944?
A) AA-1
B) AA-3
C) AA-2
D) AAA
  • 74. When did Groves issue the security clearance for Oppenheimer?
A) 20 July 1943
B) October 1942
C) 23 September 1942
D) 1 July 1944
  • 75. What agreement established the Combined Policy Committee to coordinate US and UK efforts?
A) Hyde Park Aide-Mémoire
B) Belgian Congo Treaty
C) McMahon Act
D) Quebec Agreement
  • 76. What document suggested that the atomic bomb might be used against the Japanese?
A) McMahon Act
B) Hyde Park Aide-Mémoire
C) Tube Alloys agreement
D) Quebec Agreement
  • 77. What legislation temporarily ended American nuclear cooperation with the British in 1946?
A) War Production Board Act
B) McMahon Act
C) Hyde Park Aide-Mémoire
D) Quebec Agreement
  • 78. According to Groves, how would he characterize the British scientists' direct contributions to the project?
A) Detrimental to progress
B) Helpful but not vital
C) Essential for success
D) Unnecessary
  • 79. What reason did Oppenheimer give for preferring the Los Alamos site?
A) Its existing laboratory facilities
B) Its close proximity to a city
C) Its natural beauty
D) The abundance of water
  • 80. Who granted the Forest Service land to the War Department?
A) Oppenheimer
B) Patterson
C) Claude R. Wickard
D) Groves
  • 81. How much was actually spent on wartime land purchases at Los Alamos?
A) $300,000
B) $7 million
C) $440,000
D) $414,971
  • 82. By what other names was Los Alamos referred to during the war?
A) The Ranch or the Lab
B) Site A or the Mountain
C) Project X or the Base
D) Site Y or the Hill
  • 83. Who ran the branch office in Santa Fe?
A) Oppenheimer
B) Groves
C) Robert Bacher
D) Dorothy McKibbin
  • 84. Who was appointed as the Chicago area engineer?
A) Enrico Fermi
B) Arthur Compton
C) Captain James F. Grafton
D) Major Arthur V. Peterson
  • 85. Which company supplied three short tons of uranium produced with a makeshift process?
A) Argonne National Laboratory
B) Westinghouse Lamp Plant
C) Iowa State University
D) Goodyear Tire
  • 86. What object was constructed by Goodyear Tire to encase the reactor?
A) A steel container
B) A lead chamber
C) A large square balloon
D) A concrete dome
  • 87. Who led the team that initiated the chain reaction at Chicago Pile-1?
A) Arthur V. Peterson
B) James B. Conant
C) Arthur Compton
D) Enrico Fermi
  • 88. What was the name of the first heavy water reactor?
A) Chicago Pile-3
B) Site A Reactor
C) Chicago Pile-2
D) Chicago Pile-1
  • 89. On what date did Chicago Pile-3 go critical?
A) 2 December 1942
B) 25 June 1942
C) January 1943
D) 15 May 1944
  • 90. Which company was recruited by Groves to build the plutonium production complex?
A) Manhattan Engineering
B) General Electric
C) DuPont
D) Westinghouse
  • 91. What type of community was Richland characterized as?
A) A permanent residential suburb
B) A gated community
C) An urban industrial hub
D) A military base with no civilians
  • 92. What company produced electrolytic hydrogen at Trail, British Columbia?
A) Shell Canada
B) Montreal Chemical
C) Cominco
D) Ontario Hydro
  • 93. Who suggested that Trail's electrolytic hydrogen plant could produce heavy water?
A) Hans von Halban
B) Bennett Lewis
C) Urey
D) John Cockcroft
  • 94. What was the final concentration of deuterium achieved at the Trail facility?
A) 75.0%
B) 99.8%
C) 2.3%
D) 50.0%
  • 95. Who developed the platinum-on-carbon catalyst for the first three stages at Trail?
A) Hans von Halban
B) Hugh Taylor
C) John Cockcroft
D) Harold Urey
  • 96. What community was built to house members of the Chalk River site?
A) Petawawa
B) Deep River
C) Ottawa
D) Trail
  • 97. Which military base was adjacent to the Chalk River site?
A) Camp Borden
B) Camp Petawawa
C) Camp Gagetown
D) Camp Wainwright
  • 98. What does ZEEP stand for?
A) Zero-energy experimental pile
B) Zonal energy electricity project
C) Zinc enriched experimental pile
D) Zero emission experimental plant
  • 99. Who succeeded John Cockcroft as director of the Chalk River laboratory?
A) Hugh Taylor
B) Hans von Halban
C) Bennett Lewis
D) Harold Urey
  • 100. What river is the Chalk River site located on?
A) Columbia River
B) St. Lawrence River
C) Ottawa River
D) Niagara River
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