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2025 Lt > Truck Ops Book 3 Ladders > Flashcards

Truck Ops Book 3 Ladders Flashcards

1
Q

Refers to the use of a ladder as a bridge to span distances between two buildings, trenches, or other open spaces

A

Bridging

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2
Q

Ladder that has a locking hinge in the center of the main beam enabling it to be used as a straight or an A-frame ladder

A

Combination ladder

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3
Q

A short, collapsible ladder that is easy to maneuver in tight places

A

Folding ladder or attic ladder

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4
Q

Straight ladders with hooks at their tips

A

Roof ladders

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5
Q

NFPA 1901 states that an aerial apparatus should carry a minimum total ladder length of ____ feet

A

115

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6
Q

Firefighters primarily use portable ladders for what

A

Upper floor access and egress

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7
Q

The main advantage of portable ladders is what

A

Their versatility and mobility

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8
Q

Firefighters should mark ladder tips with what to increase ladder visibility when inside a smoke-filled room or on a roof

A

Fluorescent paint or tape

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9
Q

If ladders are marked they should only be marked where

A

Top 18”

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10
Q

In addition to marking the tip where else should ladders be marked

A

Balance or pivot point (middle of ladder)

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11
Q

What NFPA standard is for Use, Maintenance, and service testing of in-service fire department ground ladders

A

1932

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12
Q

Heat sensors have been required on ladders since

A

1984

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13
Q

Heat sensors are placed where on ladders

A

2nd rung and at the halfway point

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14
Q

The heat sensor will change color when the temperature reaches what

A

300 degree F

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15
Q

If the heat sensor is exposed for even a moment at 300F the ladder could lose as much as ____% of its load capacity

A

25

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16
Q

Most of the portable ladder complements carried on truck companies have a max reach of ____ - _____ ft

A

35-45

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17
Q

Firefighters should estimate the need for __ ft of ladder reach for each story of a residential occupancy

A

9

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18
Q

Firefighters should estimate the need for ____ ft of ladder reach for each story of a commercial occupancy

A

12

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19
Q

The 14’ & 16’ straight or roof ladders are appropriate for what

A

2nd floor residential windows

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20
Q

The 16’ & 20’ straight or roof ladders are appropriate for what

A

1 story residential roof or commercial roof
2nd floor commercial window

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21
Q

The 20’ straight or roof ladder is appropriate for what

A

2-story residential roof

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22
Q

The 24’ extension ladder is appropriate for

A

2-story residential roof
3rd floor residential windows

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23
Q

The 28’ extension ladder is appropriate for

A

2-story commercial roof
3rd floor residential window

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24
Q

The 35’ extension ladder is appropriate for

A

3rd floor commercial window
3-story residential or commercial roof
4th floor residential window

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25
Q

The 40’ extension ladder is appropriate for

A

3rd or 4th floor commercial windows
3-story residential or commercial roofs

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26
Q

The 45’ extension ladder with stay poles is appropriate for

A

3-floor commercial windows
3-story residential or commercial roofs

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27
Q

The aerial ladder is appropriate for

A

Below-grade locations and any area higher than 4th floor windows

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28
Q

14’ ladder approx bed length and weight

A

14ft & 30-40lbs

29
Q

16’ ladder approx bed length and weight

A

16ft & 35-50lbs

30
Q

20’ ladder approx bed length and weight

A

20ft & 45-60lbs

31
Q

24’ extension ladder approx bed length and weight

A

14ft & 70-80lbs

32
Q

28’ 2-section extension ladder approx bed length and weight

A

16ft 6in & 80-120lbs

33
Q

28’ 3-section extension ladder approx bed length and weight

A

13ft 6in & 100-150lbs

34
Q

35’ 2-section extension ladder approx bed length and weight

A

20ft & 120-150lbs

35
Q

35’ 3-section extension ladder approx bed length and weight

A

16ft & 125-180lbs

36
Q

40’ 2-section extension ladder approx bed length and weight

A

22ft 6in & 160-170

37
Q

For objectives located toward the front of the truck you should select a ladder with

38
Q

For objectives located toward the rear of the truck you should select a ladder with

39
Q

To ensure all portable ladders can be removed from a ladder bed, later arriving units should not position closer than _____ ft from the rear of any truck

40
Q

When removing a portable extension ladder from a ladder bed, firefighters should grab what section of the extension ladder if loaded heels out

A

Fly section

41
Q

When removing a portable extension ladder from a ladder bed, firefighters should grab what section of the extension ladder if loaded tips out

A

Bed section

42
Q

What should firefighters do before placing an aerial ladder in service

A

Remove needed portable ladders from the truck

43
Q

1-person ladder carries include

A
  1. High-shoulder
  2. Low-shoulder
  3. Suitcase technique
44
Q

What type of ladder represents the most versatile type of portable ladder

A

Extension ladder

45
Q

Where should portable ladder placement on a fireground be prioritized

A
  1. fire floor
  2. floor above fire
  3. adjacent civilian-occupied compartments
  4. any other level firefighters are operating
  5. the roof
46
Q

The tip of the ladder should rest where at a windowsill

A

At or slightly below windowsill

47
Q

Firefighters should heel the ladder how

A

In an outside heeling position

48
Q

When working off a ladder firefighters should use one of the following

A

leg-lock
ladder belt
Scott multiuse strap

49
Q

When utilizing a leg-lock, the firefighter should position the leg performing the lock where

A

On the opposite side of the ladder from which they will perform the task

50
Q

When positioning a ladder to establish roof access, personnel should ensure what

A

3-5 rungs extend above the roofline

51
Q

After establishing roof access firefighters should do what

A

deploy a second ladder for secondary access

52
Q

When using ladders to establish access to a recessed balcony, personnel should position them how

A

Against an exterior wall with the top 2 rungs above the area where the railing meets the exterior wall

53
Q

When using ladders to access a cantilevered balcony, personnel should position then against an exterior wall on the upwind side with how many rungs above the top of the railing

A

two or more

54
Q

If interior stairs are compromised what ladder can provide the length typically needed to span the length of the stairway

A

14ft straight

55
Q

Any firefighter on an aerial device must have what

A

A ladder belt

56
Q

If an aerial device contacts an electrical power line you should do what

A
  • move aerial device away from wires
  • stay on turntable and warn others to stay 50ft away
  • notify IC vehicle may be energized
  • Isolate and deny entry to the area around the vehicle
57
Q

What is minimum clearance working distances for electricity

A

Voltage = ft clearance
up to 50 = 10
50-200 = 15
200-350 = 20
350-500 = 25
500-750 = 35
750-1000 = 45
over 1000 = 50

58
Q

At a minimum where are tower bucket emergency shut-offs

A

In the bucket and on the turntable

59
Q

The correct order of raising an aerial ladder is what

A
  1. raise
  2. rotate
  3. extend
  4. lower
60
Q

What are elevated master stream uses

A
  • extinguishment
  • exposure protection
  • flying standpipe
61
Q

What type of nozzle is most appropriate for extinguishment operations

A

smooth-bore

62
Q

What type of nozzle is most appropriate for exposure protection

A

Fog nozzle

63
Q

Potential use of narrow fog/straight stream

A

attic fire

64
Q

potential use of fog stream

A

exposure protection

65
Q

potential use of smooth-bore nozzle

A

warehouse or commercial building

66
Q

To achieve the max reach of any stream inside a structure, the stream should most often be direct upward how

A

At a 30 degree angle through window or opening

67
Q

Elevated master-stream operations can prevent autoexposure how far

A

100 vertical feet

68
Q

Prior to implementing any master-stream operation, firefighters should withdraw to staging where

A

2 floors below fire floor

2025 Lt (12 decks)

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