Collapse of the World Trade Center - Quiz
A) It was incinerated by the jet fuel B) It was removed by the airplane impacts C) It melted due to extreme heat D) It was stripped away by falling debris
A) Excessive load vibration B) Heat-induced creep C) Impact-related compression D) Structural steel oxidation
A) The foundation slab B) The hat truss C) The core elevator shaft D) The floor joists
A) Almost 5 feet B) Exactly 6 inches C) Approximately 1 foot D) More than 2 feet
A) Exactly 17 minutes longer B) Around 46 minutes longer C) It collapsed at the exact same time D) About 30 minutes longer
A) Near the top mechanical floors B) In the southwestern corner C) In the northwestern corner D) More or less in the center
A) Two and a half hours B) Less than 15 minutes C) Exactly 46 minutes D) More than an hour
A) 440 miles per hour B) 600 miles per hour C) 500 miles per hour D) 350 miles per hour
A) 90 and 95 B) 93 and 99 C) 80 and 90 D) 77 and 85
A) The impact was lower and caused uneven weight distribution B) The fire burned at a higher temperature C) The building had fewer core columns D) The steel was of lower quality
A) The center of the building B) The exact middle of the north face C) The southeastern corner D) The rooftop mechanical deck
A) 93 and 99 B) 85 and 90 C) 70 and 75 D) 77 and 85
A) The fireproofing remained largely attached B) The building became instantly unstable C) The core columns were immediately severed D) More structural support remained intact
A) A senior FDNY chief B) The port authority director C) The mayor of New York City D) The lead structural engineer
A) 1,402 B) 18 C) 614 D) 147
A) 342 B) 1,402 C) 614 D) 2,606
A) 147 B) 614 C) 342 D) 1,402
A) 18 B) 147 C) 10 D) 343
A) 342 B) 147 C) 10 D) 18
A) 147 B) 71 C) 37 D) 342
A) 71 B) 23 C) 37 D) 342
A) Federal Bureau of Investigation (FBI) B) New York City Police Department (NYPD) C) United States Secret Service (USSS) D) New York State Office of Tax Enforcement (OTE)
A) 3 B) 5 C) 1 D) 23
A) 1 B) 5 C) 3 D) 37
A) 71 B) 18 C) 10 D) 342
A) Reinforced concrete monolith B) Framed tube structures C) Suspension bridge design D) Geodesic dome framework
A) Roughly 250 ft B) Roughly 210 ft C) Exactly 207 ft D) Exactly 200 ft
A) 60 B) 47 C) 59 D) 35
A) 47 B) 210 C) 59 D) 107
A) Solid granite B) Lightweight concrete C) Reinforced brick D) Pre-stressed timber
A) 6 inches B) 10 inches C) 4 inches D) 2 inches
A) Rubber bushings B) Steel bolts C) Viscoelastic dampers D) Hydraulic pistons
A) Optimized load redistribution B) Increasing floor area C) Fire suppression D) Thermal insulation
A) The North Tower B) The South Tower C) Neither tower D) Both towers
A) 50 ft B) 35 ft C) 20 ft D) 60 ft
A) Torsional load B) Gravity load C) Wind shear load D) Seismic vibration
A) Ten B) Six C) Four D) Two
A) September 11, 2001 B) September 11, 2005 C) September 1, 2001 D) November 9, 2001
A) American Airlines Flight 77 B) American Airlines Flight 11 C) United Airlines Flight 175 D) United Airlines Flight 93
A) The fires B) Controlled demolition C) Substandard design D) The initial plane impacts
A) 2001 B) 2010 C) 2014 D) 2005
A) 90 B) 110 C) 120 D) 100
A) NASA B) FAA C) NIST D) FEMA
A) Petronas Towers B) Empire State Building C) Willis Tower D) Chrysler Building
A) Boeing 707 B) C-45F Expeditor C) B-25 bomber D) DC 8
A) Snow B) Thunderstorm C) Fog D) High winds
A) Newark B) JFK C) LaGuardia D) None of the above
A) 750 mph B) 600 mph C) 450 mph D) 300 mph
A) A BBC reporter B) NIST investigators C) Leslie Robertson D) John Skilling
A) Information was classified B) Limited technical capability C) Budgetary constraints D) Lack of interest
A) Vermiculite plaster B) Concrete spray C) Cellulose insulation D) Gypsum board
A) Airbus A320 B) Boeing 737 C) Boeing 747 D) Boeing 767
A) 26 B) 34 C) 39 D) 47
A) 99th floor B) 17th floor C) 78th floor D) 93rd floor
A) Gravitational energy B) Compressed gas energy C) Electromagnetic energy D) Kinetic heat energy
A) Outwards only B) Towards the center core only C) Downwards D) Upwards
A) The bottom floors B) The top floors C) The basement levels D) The middle floors
A) 25 seconds B) 15 seconds C) 9 seconds D) 11 seconds
A) 40 stories B) 100 stories C) 60 stories D) 25 stories
A) 60 stories B) 110 stories C) 25 stories D) 40 stories
A) Heat weakened the steel B) Impact from airplanes C) Seismic activity D) Bolts snapped
A) Lateral shift phase B) Initial impact phase C) Crush-down phase D) Crush-up phase
A) They fused to the core. B) They peeled away. C) They buckled inward. D) They remained standing.
A) From the impact level B) From the top C) From the center D) From the bottom
A) Stairwell B B) Stairwell A C) Stairwell D D) Stairwell C
A) They refused to leave B) The speakers were broken C) They were too high up to hear D) Poor radio reception
A) The building was already evacuated B) Lack of building access C) The fire was chemical-based D) Low water pressure
A) None B) 50 C) 10 D) Over 100
A) The South Tower B) Fiterman Hall C) The Verizon Building D) The North Tower
A) The total tilt of the building B) The buckling of the lobby C) The shattering of all windows D) The crumble of the east mechanical penthouse
A) 2009 B) 2001 C) 2005 D) 2012
A) 90 West Street B) St. Nicholas Greek Orthodox Church C) 130 Cedar Street D) 30 West Broadway
A) 130 Cedar Street B) 5 World Trade Center C) 30 West Broadway D) 90 West Street
A) W. Gene Corley B) Zdeněk P. Bažant C) César Pelli D) Abolhassan Astaneh-Asl
A) Eduardo Kausel B) W. Gene Corley C) Franz-Josef Ulm D) Oral Buyukozturk
A) Abolhassan Astaneh-Asl B) W. Gene Corley C) Zdeněk P. Bažant D) Eduardo Kausel
A) Northwestern University B) FEMA C) The University of California D) MIT
A) 25% B) 95% C) 50% D) 10%
A) October 2002 B) September 2001 C) May 2002 D) August 2002
A) The Structural Integrity Reform Act B) The Disaster Relief and Recovery Bill C) The Building Security Act D) National Construction Safety Team bill
A) Gasoline B) Ethanol C) Kerosene D) Diesel
A) Constant and uniform B) Below freezing C) Not unusual D) Extremely high
A) Immediate chemical neutralization of the steel B) Total cooling of the building interior C) Immediate structural collapse D) Large fireballs
A) No B) Yes C) Only in the South Tower D) Only in the North Tower
A) The buildings' contents B) The building's foundation C) The steel columns directly D) The external glass facade
A) To a house fire B) To a large commercial power generating station C) To a nuclear reactor D) To a volcanic eruption
A) $16 million B) $10 million C) $20 million D) $6 million
A) Fire Dynamics Simulator B) ANSYS C) LS-DYNA D) AutoCAD
A) James Quintiere B) None of these C) Shyam Sunder D) W. Gene Corley
A) ANSYS B) Fire Dynamics Simulator C) Revit D) LS-DYNA
A) Free fall acceleration B) Decelerating speed C) Twice the rate of free fall D) Half of free fall acceleration
A) Asif Usmani B) Jose L. Torero C) Barbara Lane D) Controlled Demolition, Inc.
A) City of New York Department of Design B) Controlled Demolition, Inc. C) University of Edinburgh D) Arup
A) A faster completion of the cleanup B) Confrontations with firefighters C) A legal lawsuit from residents D) An apology from the EPA
A) Department of Design and Construction B) City of New York C) University of Edinburgh D) Environmental Protection Agency
A) Asbestosis B) Asthma C) Sinusitis D) Gastroesophageal reflux disease
A) Lung cancer B) Post-traumatic stress disorder C) Sinusitis D) Asthma
A) 2010 B) 2007 C) 2005 D) 2003 |
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