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Undeleted > Taxpayers > Flashcards

Taxpayers Flashcards

0
Q 
What is the size of the area requiring sprinklers according to:
1938 building code?
1968?
2008 mercantile?
--Occupancy within the building?
A

38: exceeding 10,000 sq ft
68: exceeding 7,500 sq ft
08m: full building area exceeding 12,000 sq ft OR the combined area on all floors including mez exceeds 24k
-rack storage or high piled
Within building: exceeding 7,500 sq ft,
3 story above grade, in a hirise, unenclosed stair/escalator

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1
Q

I’m most cases a taxpayer constructed from [~1900-1920] [1920-1960] the cornice will not allow access to the cockloft

A

1920-1960

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2
Q

What is the size of the cockloft in a taxpayer?

A

A few inches to more than six feet

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3
Q

Updated calculations say bowstring truss roofs may only support _____% of the load they were originally designed for.

A

40

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4
Q

_______ truss fails without warning.

A. Wood
B. Steel

A

Wood tends to snap

Steel tends to stretch

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5
Q

Open web steel joists have little fire resistance rating.

T/F

A

False no fire rating

Fire rating depends on the ceiling finish and finish roofing

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6
Q

Unprotected open web steel joists may fail in ____ to ____ minutes in a fire.

A

5 to 10 min

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7
Q

At 970F 50 ft long steel beam will extend ~____inches

1000F a 100 ft long steel beam will extend ~____inches

A

4

9 1/2

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8
Q

The masonry walls of a taxpayer are very much dependent on the stability of the__a,b,c, or d__.

A. The adjacent wall
B. The opposite wall
C. The roof
D. Parapet

A

C

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9
Q

A cast iron column fails on average in how long in a fire endurance test?

A. 30 min
B. 60 min
C. 90 min
D. 120 min

A

A

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10
Q

Heavy body of fire in a taxpayer burning out if control for ____minutes is a warning sign for collapse

A

20 minutes

Also 20 minutes: inability to make successful headway-collapse hazard

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11
Q

Dense black smoke indicates the lack of oxygen and large quantities of free carbon and CO gas. What are 3 other colors associated with a backdraft?

A

Dirty brown
Yellow brown
Gray yellow

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12
Q

Concerning backdraft, a room only requires ____% of it’s space to contain the explosive mixture for the entire area to possibly explode.

A. 5 B. 10 C. 15 D. 25

A

D

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13
Q

The immediate ventilation and cutting of an effective size hole on the roof calls for ____ saw(s) and ____ members on the roof.

A

2 saws 4 members

Roof sector supervisor must supervise roof ops when more than 1 saw is working on the roof

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14
Q

Although not as effective what is an alternative to roof venting when there is the risk of a backdraft?a,b,c or d

A. Taking the front windows
B. Opening the rear exit if present
C. The use of a hose stream
D. None of the above

A

C

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15
Q

At taxpayer fires nothing affects the outcome of the operation as much as ________. (One word)

A

Ventilation

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16
Q

Under no circumstances shall any member operate on the roof of any building involved in a content or structural fire with a wooden, metal or combination bowstring truss design.
T/F

A

True

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17
Q

The width of a trench cut should be at least ____feet wide.

A

3

18
Q

What two ways can be used to asses if the fire has involved the truss space?a,b,c or d

A. Inspection hole cut by member standing on the roof
B. TIC
C. Inspect from the roof of the exposure
D. Triangle cut in sloping hip section from TL bucket (front or rear)
E. Overhaul from interior

A

B & D

19
Q

When a large taxpayer roof is involved in a serious cockloft fire emphasis should be placed on___________.

A. Ventilation holes
B. Trench cut
C. Both

A

A

20
Q

A properly positioned TL can cover a building with a frontage of ____ feet.

A

100

21
Q

A minimum of _____ portable ladders shall be placed in front of the buildings.

A

2

22
Q

A hose line may not be operated into a trench cut.

T/F

A

False

Operated properly it may confine the fire(with delayed entry or if unable to pull ceilings)

23
Q

Which arriving eng co ensures the sprinkler system is supplied at a cellar fire in a taxpayer?

1st. 2nd. 3rd. 4th.

A

3rd

24
Q

In a taxpayer cellar fire the 1st arriving eng co stretches the first line where? a,b,c, or d

A. Cellar to extinguish fire
B. Occupancy above fire to prevent vertical extension
C. Outside exterior cellar entrance
D. As per IC

A

B

25
Q

At a store fire in a taxpayer the 3rd arriving eng co will ensure the sprinkler system is supplied. Where will they stretch a line once this is accomplished?
A. Exposure B. BU 1st line
C. Rear of store D. As per IC

A

D

26
Q

3rd arriving engine at a cockloft fire in a taxpayer will ensure the sprinkler is supplied and then operate as per the IC.
T/F

A

True

27
Q

Eng 83 arrives at a taxpayer fire with the cockloft involved. It is not extending to either exposure. Where will they stretch their first handling?a, b, c, or d
A. Under main body of fire
B. The exposure most likely to become involved in the fire
C. Operate into a trench cut
D. Roof of the exposure

A

A

If exposure is a problem to the most serious exposure

28
Q

L29 arrives at a fire in a taxpayer. Smoke is showing in stores on both the exp 2 and 4 side. The inside team experiences high heat but cannot find any flames. L29 officer should suspect a fire where?
A. Cockloft B. In the store C. Cellar

A

C

29
Q

At minor fires in a store there is no need to cut the locks and check the cellar in order to avoid further property damage.
T/F

A

False

Cellars must always be checked

31
Q

Where does the first due truck FE team go at a cellar fire in a taxpayer. a,b,c, or d

A. Exposure
B. Cellar to find the fire
C. Store occupancy above fire
D. Find a rear entrance to the cellar

A

C

Force entry as required at store entrance and cellar entrance

32
Q 
Who shuts down the utilities at a cellar fire in a taxpayer?
a,b,c or d
A. 1st due inside team
B. 2nd due inside team
C. 1st due OV
D. 2nd due OV
A

A

32
Q

For cellar fires in a taxpayer, If 1st or 2nd due truck is an aerial the LCC will join the FE team if not otherwise directed.
T/F

A

True

33
Q

Where does second due truck FE team go at a cellar fire in a taxpayer? a, b, c or d

A. Adjacent stores and cellar entrances
B. First floor of fire building
C. Cellar of fire building
D. Find and shut down utilities

A

A

34
Q

1st to arrive truck will shut off gas and electric at a store fire in a taxpayer.
T/F

A

True

35
Q

For store or cockloft fire at a taxpayer the removal of the front window shall be done if ordered by ________.

A. Lad off in fire area
B. Eng off stretching a line in that area
C. 1st arriving lad off
D. IC

A

D

for a cellar fire the 1st due FE team coordinates with their officer when taking windows in the store

36
Q

If there is only one saw and the FE team needs it to force entry and the roof ff needs it for roof ventilation, what will the saw initially be used for?
(Taxpayer fire)

A

Forcing entry

37
Q

What saw blade do we use for cutting security doors?

A

Aluminum oxide

38
Q 
If a store fire extends to the cockloft and the 1st truck is an aerial who should proceed to the roof to assist 1st due roof ff? (Taxpayer) a, b, c or d
A. 1st OV 
B. 1st LCC 
C. 2nd LCC
D. 1 member from 2nd inside team
A

B

2nd due OV may proceed to the roof if directed

39
Q

The maul and halligan are reccomended for the OV at a taxpayer fire.
T/F

A

False

Halligan and maul required

40
Q

When the roof man is taking the saw to the roof what MUST also be taken

A. Axe
B. Hook
C. Halligan
D. Maul

A

B

Members going to the roof subsequently should bring axe or iron with the saw if available

41
Q

In a taxpayer a very large hall on the second floor may mean roof girders and a deep cockloft.
T/F

A

True

42
Q

What is probably the most important factor in dealing successfully with taxpayer fires?

A

Knowledge of construction features

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