Chapter 8 Flashcards

1
Q
The main seating area of a church is _
A. Apse
B. Triforium 
C. Nave
D. Chancel
A

C pg 49

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2
Q

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

A First few seconds of water discharge Pg 43-44

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3
Q

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

A

Agree

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4
Q

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

A

Agree

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5
Q

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

A

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

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6
Q

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

A

C

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7
Q

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)

A

B

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8
Q

The most unstable part of a place of worship is the?

a. Chimney
b. Tower and steeple
c. Free-standing parapet walls

A

B

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9
Q
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
A

D

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10
Q

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

A

B Vent the entire window

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11
Q

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

A

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,

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12
Q

Which is more unstable on a place of worship?

a. Domed tower
b. Steeple on a tower

A

B

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13
Q

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

A

C

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14
Q

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

A

C 4 bearing walls

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15
Q

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

A 4 bearing walls

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16
Q

Regarding the collapse concerns at Places of Worship, it would be correct to state that __.
A: Free standing walls will collapse before the tower and steeple
B: The chimney will collapse before tower and steeple
C: The free standing walls will collapse before the chimney
D: The tower and steeple will collapse first, then the chimney, then the free standing parapet walls

A

D…The tower and steeple are the most unstable

Ch 8

17
Q

Choose the correct (5)
A. Tower and steeple is the most unstable part of the church
B. If a church fire is extinguishable, stretch 1st HL through the front or side door to attack the seat of the fire
C. Stretch the largest size hose, maneuverability is not a factor
D. Second large diameter hose should immediately back up the 1st line
E. Rose window is the only window high enough and big enough to vent smoke and heat at upper reaches of a burning place of worship
F. Exposures 1 and 3 are most dangerous in regards to collapse at fires in a place of worship

A

A-E
F Exposures 1, 2, and 4 are most dangerous.
Exposure 3 is least dangerous

18
Q

You arrive first due to a fire in a building that has a timber truss roof concealed by a ceiling. Upon investigation you discovered the fire is in the attic area above the ceiling. You should order your FFs to?
A: Withdraw and operate in a defensive position and protect exposures
B: Pull the ceilings and operate a hoseline to extinguish the fire
C: Advance a hoseline up the trap door at the ceiling level that is easily found to extinguish the fire
D: Cut a hole in the roof and extinguish the fire from this level

A

A

19
Q

The attack strategy for a timber truss roof without a ceiling is different than a timber truss roof with a ceiling. Choose the incorrect strategy for a timber truss roof building without a ceiling
A: Attack the fire with a large diameter hose
B: The first hoseline should immediately be used to cool the truss area
C: If the first stream does not control the flames within the first few seconds of water discharge and it appears that the fire will increase, interior firefighting should be discontinued
D: The fire must show immediate signs of extinguishment by the first hose stream, or an outside attack should be ordered for the safety of the firefighters

A

B Attack the main body of fire. If successful in controlling the fire a second large diameter line shall be stretched as a back up into the building and sweep the underside of the roof if necessary to extinguish any possible secondary hidden fire behind the smoke and heat at ceiling level
chapter 8

20
Q

Dunn mentions several reasons for venting a fire in a place of worship. Which choice below is an incorrect regarding the reasons for venting?
A: To prevent fire from extending into the attic area
B: The place of worship could suffer a smoke explosion raising up the roof and pushing out the walls
C: Prevent fire from flashing over on the FF’s
D: Prevent smoke and heat from banking down on FF’s inside

A

A…never is mentioned …Dunn claims that if fire is found in concealed spaces it may spread up to the large attic space via hidden voids behind the sidewalls and via hollow imitation stone columns
Ch 8

21
Q

Fire in a building that has a timber truss roof concealed by a ceiling. Upon investigation you discovered the fire is in the attic area above the ceiling. You should order your firefighters to?
A: Withdraw and operate in a defensive position and protect exposures
B: Pull the ceilings and operate a hoseline to extinguish the fire
C: Advance a hoseline up the trap door at the ceiling level that is easily found to extinguish the fire
D: Cut a hole in the roof and extinguish the fire from this level

A

A
B- The chances of opening a ceiling below a timber truss and extinguishing it with hose streams from below is rare
C- There can be no extinguishment from below the burning truss through a trap door in the ceiling
D- There is no extinguishing a fire in a truss space from above
chapter 8