Dunn-Collapse of Burning Buildings Test: Chapters 1, 3, 15, & 23 Flashcards
Test 1 (23 cards)
Which of the following is not a factor for the predicted increase in burning building collapse in the 21st century? p2
a. Lightweight construction materials
b. Faulty renovations
c. Eccentric building design
d. Age of the buildings
c. Eccentric building design
- At what age can a building be considered near the end of its life expectancy? p2
a. 50 to 75 years old
b. 75 to 100 years old
c. 100 to 125 years old
d. 125 to 150 years old
b. 75 to 100 years old
After what amount of fire exposure does the unprotected lightweight steel bar joist fail according to the National Fire Protection Association (NFPA)? p4
a. 10 to 20 minutes
b. 10 to 15 minutes
c. 5 to 10 minutes
d. 0 to 5 minutes
c. 5 to 10 minutes
Which of the following injures more firefighters each year? p7
a. Smoke inhalation
b. Entrapment
c. Building collapse
d. Falling objects
d. Falling objects
Who is responsible when a firefighter on the ground is injured when glass is broken by an interior firefighter for ventilation purposes? p7-8
a. Firefighter in the building
b. Firefighter on the ground
c. Both firefighters
d. Company officer
b. Firefighter on the ground
How should broken glass be trimmed from windows? p8
a. Knock the shard inside
b. Remove the shard and break it up
c. Remove the shard and place in a bin
d. Knock the shard outside
a. Knock the shard inside
What is the main fault in the roof construction of a noncombustible/limited combustible building that is destroyed by fire? p42
a. Rigid foam insulation
b. Felt paper layer laid out
c. Gravel layer place on top of the roof deck
d. Asphalt used to waterproof
d. Asphalt used to waterproof
Which statement about a fire in a heavy timber building is not correct?
a. Radiating heat from windows will ignite adjoining structures
b. Heavy timber construction can be found in modern churches or in storage facilities in old commercial areas
c. Automatic sprinklers have been installed in most heavy timber structures that have survived to the 20th century
d. Surface-to-mass ratio is large
d. Surface-to-mass ratio is large
p46
How many sides does the wood-frame constructed building have that must be considered when battling a fire?
a.Four
b. Five
c. Seven
d. Six
c. Seven
p47
What is used under the floor of a steel skeleton constructed building?
a.Fluted metal deck
b. Reinforced plastic liner
c. Steel bar framework
d. Wooden formwork
a. Fluted metal deck
p49
What is the weak link in the wood-frame building?
a. Smaller structural supports
b. Structural member connectors
c. Roof joists
d. Load bearing walls
a. Smaller structural supports
p52
What is used at a one-story building with large display windows to support the stone parapet?
a. Wood I-beam
b. Steel I-beam
c. Steel H-beam
d. Wood H-beam
b. Steel I-beam
p51
How does a three-story braced frame structure frequently fall?
a. Upheaval
b. 90-degree angle
c. Lean over
d. Inward/outward
d. Inward/outward
p200
How many floors would the concealed wall void space extend in a three story, platform frame building?
a. None
b. One
c. Two
d. Three
b. One
p205
What type of collapse does lightweight wood truss construction suffer?
Wall ceiling
b. Wall and roof
c. Floor and roof
d. Floor and wall
c. Floor and roof
p205
Which of the following is not a factor that contributes to an inward/outward collapse in a braced-frame?
a.Failure at the mortise-and-tenon connection
b. Fire destruction of bearing walls
c. Exterior wall overload
d. Interior floor overload
d. Interior floor overload
Which walls are bearing in wood-frame buildings in older urban neighborhoods?
a. All four walls
b. Front wall
c. Rear walls
d. Side walls
d. Side walls
Page 206
Which walls are usually the bearing walls in a building with a flat roof?
a. Ones with the greatest dimensions
b. Ones with the shortest dimensions
c. Ones with few windows
d. Ones with many windows
a. Ones with the greatest dimensions
Page 207
What is most often the cause of early floor collapse?
a. Bad renovations
b. Old construction
c. Lightweight truss construction
d. Heavy timber truss construction
c. Lightweight truss construction
Page 319
Which type of fires are most often a delayed alarm fire?
a. Cellar
b. First floor
c. Exterior
d. Wall
a. Cellar
Page 320
During which stage of a cellar fire does the fire start to attack the structure and the collapse danger begin?
a. Growth
b. Fully developed
c. Decay
d. Smoldering
b. Fully developed
Page 320
What should not be used to check for a cellar fire?
a. Double cellar doors on the side
b. Double cellar doors at the back
c. Basement windows
d. Basement stairs
d. Basement stairs
Page 321
Which direction should you point a flashlight to assist rescuers?
a, Towards the windows
b, Towards the doorway
c. lowards the floor
d. Towards the ceiling
d. Towards the ceiling
Page 325
