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