Chapter 8 Flashcards
The main seating area of a church is _ A. Apse B. Triforium C. Nave D. Chancel
C pg 49
Fire exists in a building that has timber trusses which are not concealed by a ceiling, incorrect
a. If 1st stream does not control the flames within the first 20-30 seconds of water discharge and it appears the fire will increase, discontinue interior firefighting
b. If 1st line is successful at the floor level, stretch a backup 2 ½” line to sweep the underside of the roof
c. Stretch a 2 ½” line to attack the main body of fire
A First few seconds of water discharge Pg 43-44
Timber trusses are sometimes enclosed with sheet-rock or plasterboard. If collapse of this compartmented roof occurs, timber trusses will fail one at a time.
a. Disagree
b. Agree
Agree
Timber trusses are sometimes not enclosed. If collapse of this uncompartmented roof occurs, timber trusses will all fail at the same time.
a. Disagree
b. Agree
Agree
Sloping front and rear portions of a bowstring truss roof, correct (2)
a. Make a triangular cut in the sloping front or rear portion of the roof from a portable ladder to quickly determine if fire has spread to the roof space
b. If the small interior access opening into the attic cannot be found, attempt quick access into the attic area by making a roof cut at the sloping end of the roof deck, so a hose line can be directed at a small fire.
c. Make vent openings in the front and rear sloping portions to provide a cross ventilation, but this only can be done if the trusses are not enclosed
B C
A Make a triangular cut in the sloping front or rear portion of the roof from an aerial platform — Tower Ladder to quickly determine if fire has spread to the roof space
FF evacuating a roof where only one truss is likely to fail, should evacuate in the direction that is?
a. Shortest to the roof edge
b. Parallel to the failing truss
c. Perpendicular to the failing truss
C
FFs attempting an initial HL attack where the 4th truss is located from the front of the bldg is involved in fire, should be positioned?
a. Behind the single truss involved in fire (between trusses 3 and 4)
b. Behind a truss section, next to the one involved in fire (between trusses 2 and 3)
B
The most unstable part of a place of worship is the?
a. Chimney
b. Tower and steeple
c. Free-standing parapet walls
B
At a fire in a place of worship, an IC should know that if _ hose lines do not extinguish the fire in the initial attack, the IC should fight the fire from the outside? A. Four B. One C. Three D. Two
D
Regarding the Rose Window, it is incorrect to state?
a. It is where the first Tower Ladder should be positioned to operate
b. When venting the Rose Window, vent only the upper portion of the window
c. It is a primary venting location
d. Venting the Rose Window may allow a LCS to reach the upper portions of the church
B Vent the entire window
Fire in a place of worship, venting of side stained glassed windows?
a. Should be done from downwind side of the window
b. Is not a primary venting tactic
c. When necessary, should be done on both sides of the building, venting the windows nearest to the fire
d. Must be done for the hoseline advance
C
A Should be vented from the upwind side of the window
B Is a primary venting tactic,
D May not need to be vented for the hoseline advance,
Which is more unstable on a place of worship?
a. Domed tower
b. Steeple on a tower
B
Most dangerous exposures on a place of worship are Exposures?
a. 1, 2, 3
b. 1, 3, 4
c. 1, 2, 4
d. 2, 3, 4
C
Bldgs w/Bowstring truss roof have all of the following characteristics except?
a. Front walls usually have more openings than rear walls — thus more likely to collapse
b. Large open spaces (like Supermarkets) without columns
c. Two bearing walls — the sidewalls; Two non-bearing walls — the front and rear walls
d. A concave, arched underside of the bowstring roof which acts as a heat sink
C 4 bearing walls
Timber truss structure incorrect
A. Bowstring truss roof has only 2 bearing walls
B. When receiving conflicting reports of fire conditions from members operating above and below the fire in a structure w/bowstring truss, the successful chief is guided by report from above
C. In a timber truss bldg, main fire will be in roof structure, not in content below
D. When web members are enclosed by fire retarding materials such as drywall or plaster on one side, timber trusses will fail one at a time
A 4 bearing walls