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Brannigans building construction 5th > Test 13 > Flashcards

Test 13 Flashcards

1
Q

What should be done when operations would have to be within the collapse zone due to lack of hoseline reach?

A. Place a spotter at the line
B. Abandon the operation
C. Bring in a second line
D. Take up a flanking position

A

D. Take up a flanking position

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2
Q

In which type of collapse does the floor above lay flat on the floor below?

A. Pancake
B. Cantilever
C. Curtain
D. Inward outward

A

A. Pancake

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3
Q

What is the major risk of ventilation?

A. Lowered visibility
B. Fire spread
C. Roof collapse
D. Firefighter falls

A

C. Roof collapse

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4
Q

What should be done to protect trapped firefighters when a rapid intervention team is sent in for rescue after a collapse?

A. Sweep the collapsed area above the ceiling with a hose line
B. Use a master stream to move debris out of the way
C. Send in back up SCBA tanks for them to use
D. Shore up the collapsed materials with a ladder

A

A. Sweep the collapsed area above the ceiling with a hose line

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5
Q

Which type of collapse results in the complete failure of the building?

A. Secondary
B. Partial
C. Global
D. Lean to floor

A

C. global

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6
Q

Which type of structure is the lean over collapse usually to?

A. Wood frame
B. Brick veneer
C. Masonry
D. Steel frame

A

A. Wood frame

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7
Q

What is a walls stability based on when the building is on fire?

A. Number of walls in the space
B. height of the wall itself
C. Level of floor loading
D. Number of interconnections

A

D. Number of interconnections

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8
Q

Which floor in the north tower sustained the most damage when the aircraft impacted it?

A. 95 and 96
B. 96 and 97
C. 94 and 95
D. 93 and 94

A

A. 95 and 96

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9
Q

Where should the firefighter place his/her foot when climbing on a weakened fire escape?

A. On the railings
B. Long ways across the step
C. Center of the step
D. Outer side of the step

A

D. Outer side of the step

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10
Q

In which type of collapse is a triangular void space created?

A. 90 degree wall
B. Pancake
C. Lean to floor
D. Lean over

A

C. Lean to floor

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11
Q

As a minimum, how many times the height of the wall should firefighters remain for safety?

A. one and one half
B. Two
C. one
D. Two and one half

A

C. One

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12
Q

What is the greatest killer of firefighters at the fire scene today?

A. Heart attack
B. Stroke
C. Falls
D. Smoke inhalation

A

A. Heart attack

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13
Q

Where does the collapse of a burning building rank in the cause of firefighter deaths?

A. Fourth
B. Third
C. First
D. Second

A

A. Fourth

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14
Q

Which type of collapse results from a loss of localized load carrying capacity?

A. Pinpoint
B. Partial
C. Plexus
D. Progressive

A

D. Progressive

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15
Q

What is considered the lifeblood of any fire response?

A. Equipment
B. Training
C. Personnel
D. Communication

A

D. Communication

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16
Q

How many core columns are said to have been destroyed in the south tower?

A. Ten
B. Eight
C. Four
D. Six

A

A. Ten

17
Q

Which type of collapse are braced frame buildings particularly susceptible to?

A. 90 degree wall
B. Curtain wall
C. Inward outward
D. Cantilever floor

A

C. Inward outward

18
Q

What should be taken onto the roof for bridging and rescue?

A. Handline
B. Pick axe
C. Halligan tool
D. Roof ladder

A

D. Roof ladder

19
Q

Which is NOT a correct statement about the NISTs findings in the north tower collapse?

A. Weakened core columns increased the load on the perimeter columns
B. Fireproofing was dislodged by the impact
C. Jet fuel started fires on one main floor
D. Sagging of the “south floors” led to pull in forces on perimeter columns

A

C. Jet fuel started fires on one main floor

20
Q

How does the wall fall in a curtain wall collapse?

A. Inward
B. as one unit
C. Straight down
D. Outward

A

C. Straight down

21
Q

Where should the command post and support positions be located when a collapse zone has been established?

A. Hot zone
B. Cool zone
C. Warm zone
D. Cold zone

A

D. Cold zone

22
Q

Which is considered to be the greatest collapse danger to firefighters today?

A. Concentrated loading
B. Occupancy changes
C. Environmental extremes
D. Lightweight construction

A

D. Lightweight construction

23
Q

Which is NOT a general visual indicator of collapse?

A. Leaning walls
B. Doors that will not remain closed
C. Cracks in walls
D. Pitched or sagging floors

A

B. Doors that will not remain closed

24
Q

What should the firefighters hold onto when descending the fire escape?

A. Steps
B. Landing
C. Rungs
D. Guide rail

A

D. Guide rail

25
Q

What is a buildings approximate life span?

A. 75 to 100 years
B. 100-150 years
C. 50-75 years
D. 150-200 years

A

A. 75-100 years

26
Q

Under which category of predicting a collapse do concentrated loads fall?

A. Physical indicators
B. Occupancy precipitators
C. Environmental precipitators
D. Existing structural instability

A

B. Occupancy precipitators

27
Q

When do parapet walls often collapse?

A. Before completion
B. During building fire
C. During overhaul
D. With a contents fire

A

C. During overhaul

28
Q

Which type of collapse should the IC prepare for when establishing the collapse zone?

A. inward/outward collapse
B. 90 degree angle, vertical wall collapse
C. Curtain wall collapse
D. Progressive pancake collapse

A

B. 90 degree angle, vertical wall collapse

29
Q

How much of the jet fuel was ignited inside of the towers when aircraft impacted the twin towers?

A. 20%
B. 15%
C. 25%
D. 30%

A

B. 15%

30
Q

In what direction relative to the roof trusses should evacuating firefighters retreat when ordered to evacuate a bowstring truss roof?

A. Diagonal to
B. Parallel to
C. Always along the edges
D. Perpendicular to

A

D. Perpendicular to

31
Q

What is time of sustained moderate to heavy fire conditions measured from in terms of collapse precipitators?

A. Time of arrival
B. Beginning of suppression
C. Time of flashover
D. Time of ignition

A

D. Time of ignition

32
Q

Which of the following is NOT a physical indicator of collapse?

A. Smoke pushing through cracks in the wall
B. Water runoff from the building from firefighter operations
C. Vibrations
D. Shifting of water on the floor

A

B. Water runoff from the building from firefighter operations

33
Q

What must be done first when a suspended ceiling collapses?

A. Crawl into the void spaces
B. Cut apart the grid system
C. Remove all visible wiring
D. Cut up the ceiling tiles

A

B. Cut apart the grid system

34
Q

Where was a “Hat truss” located in the twin towers of the world trade center to redistribute loads?

A. Between floors 98 and 107
B. Between floors 50 and 75
C. between floors 109 and 110
D. Between floors 106 and 110

A

D. between floors 106 and 110

35
Q

In which type of collapse is one end of the collapsed floor is supported by an interior wall?

A. V shaped floor
B. Cantilever floor
C. 90 degree wall
D. A frame floor

A

D. A frame floor

36
Q

Which NFPA standard contains the minimum competencies when dealing with a building collapse?

A. NFPA 1539
B. NFPA 1987
C. NFPA 1670
D. NFPA 1301

A

C. NFPA 1670

37
Q

IN the south tower, fire on which side of the building had ample air supply?

A. South
B. East
C. West
D. North

A

B. East

38
Q

How many void spaces are created with the V shaped void collapse?

A. Four
B. Two
C. One
D. Three

A

B. Two

Brannigans building construction 5th (13 decks)

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