Test 9 Flashcards
What term is used to describe a roof that is “completely satisfactory under all circumstances”?
A. Class ll
B. Class l
C. Class lV
D. Class lll
B. Class l
what serves as the adhesive and sometimes a moisture stopping vapor barrier on the insulated metal deck roof?
A. Epoxy
B. Concrete
C. Asphalt
D. Resin
C. Asphalt
What does the last number refer to in the abbreviation used to describe an angle?
A. Thickness of the legs
B. Nominal depth of the second leg
C. Total carrying capacity
D. Nominal depth of the first leg
A. thickness of the legs
What material is most often employed in the prefabricated metal panels?
A. Mineral fibers
B. Plastics
C. Glass fibers
D. Fiberboard
B. Plastics
Which of the following are hollow and used to support other beams in buildings?
A. Tubes
B. Castellated beams
C. Box girders
D. Purlins
C. box girders
What is used to brace the entire structure when excavation is taking place?
A. Soldier beam
B. Raker
C. Transfer beam
D. Waler
B. Raker
Which steel construction members are L shaped in cross section?
A. Bars
B. Angles
C. Beams
D. Columns
B. Angles
How often should a structural engineer certify steel fire escapes?
A. 4 years
B. 5 years
C. 3 years
D. 6 years
B. 5 years
What holds the wall panels in place in tilt slab construction?
A. Walls
B. Braces
C. Roof
D. Foundation
C. Roof
Which statement is NOT correct about putting water on steel?
A. Summer sun can cause drawbridges to elongate
B. If the steel is failing, the water freezes it in whatever shape it is currently in
C. Water should be used to draw the destructive heat from the steel
D. If the steel is elongating, the water will cause it to distort farther
D. If the steel is elongating, the water will cause it to distort farther
Which calculated risk is being undertaken when it is determined that steel does not need to be protected in a parking garage with enough air flow?
A. Economical
B. Forget it
C. Financial
D. Engineering
D. Engineering
What is done to adjacent bents to resist wind load when huge spans are achieved using rigid frames?
A. Columns added
B. tied together
C. More beams are used
D. Reinforced with concrete
B. Tied together
What should firefighters who are performing overhaul on a steel framed building with metal panel exterior walls use to cut the panels?
A. Chainsaw
B. Crowbar
C. Circular saw
D. Flathead axe
C. Circular saw
What does the self storage facility act like under fire conditions?
A. Residence
B. Ships
C. High rise
D. Bridges
B. Ships
How much will steel expand in length for each 100 degree Fahrenheit rise on temperature?
A. 0.06 to 0.07%
B. 0.05 to 0.06%
C. 0.08 to 0.09%
D. 0.07 to 0.08%
A. 0.06 to 0.07%
Which classification of steel building is more commonly seen?
A. Fire resistive
B. Fireproof
C. Unprotected noncombustible
D. Protected noncombustible sprinklered
D. Protected noncombustible sprinklered
Which type of insulation material is often added to the metal deck roof?
A. Wood
B. OSB
C. Low density fiberboard
D. Cotton fiber sheets
C. Low density fiberboard
How long does it take 800 degree Fahrenheit temperatures impinging on the surface of steel decking to start a self sustaining metal deck roof fire?
A. 2 minutes
B. 5 minutes
C. 4 minutes
D. 3 minutes
B. 5 minutes
Which of the following is NOT a lesson learned from a five alarm wind aided fire in brooklyn in the 1990s with a rubber roof in place?
A. The need to apply cooling streams to the underside of the roof deck
B. Application of heavy caliber streams directly on the fire
C. Ensure no firefighters are placed in the path of the fire
D. Checking for extension inside the building
B. Application for heavy caliber streams directly on the fire
What are experiment halls in research facilities often built from?
A. Sandwiched plastics
B. Wooden members
C. Cast iron
D. Lightweight steel
D. Lightweight steel