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2025 Lt > Truck Ops Book 3 Ladders > Flashcards

Truck Ops Book 3 Ladders Flashcards

(68 cards)

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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
The 40' extension ladder is appropriate for
3rd or 4th floor commercial windows 3-story residential or commercial roofs
26
The 45' extension ladder with stay poles is appropriate for
3-floor commercial windows 3-story residential or commercial roofs
27
The aerial ladder is appropriate for
Below-grade locations and any area higher than 4th floor windows
28
14' ladder approx bed length and weight
14ft & 30-40lbs
29
16' ladder approx bed length and weight
16ft & 35-50lbs
30
20' ladder approx bed length and weight
20ft & 45-60lbs
31
24' extension ladder approx bed length and weight
14ft & 70-80lbs
32
28' 2-section extension ladder approx bed length and weight
16ft 6in & 80-120lbs
33
28' 3-section extension ladder approx bed length and weight
13ft 6in & 100-150lbs
34
35' 2-section extension ladder approx bed length and weight
20ft & 120-150lbs
35
35' 3-section extension ladder approx bed length and weight
16ft & 125-180lbs
36
40' 2-section extension ladder approx bed length and weight
22ft 6in & 160-170
37
For objectives located toward the front of the truck you should select a ladder with
Tips out
38
For objectives located toward the rear of the truck you should select a ladder with
Heels out
39
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
30
40
When removing a portable extension ladder from a ladder bed, firefighters should grab what section of the extension ladder if loaded heels out
Fly section
41
When removing a portable extension ladder from a ladder bed, firefighters should grab what section of the extension ladder if loaded tips out
Bed section
42
What should firefighters do before placing an aerial ladder in service
Remove needed portable ladders from the truck
43
1-person ladder carries include
1. High-shoulder 2. Low-shoulder 3. Suitcase technique
44
What type of ladder represents the most versatile type of portable ladder
Extension ladder
45
Where should portable ladder placement on a fireground be prioritized
1. fire floor 2. floor above fire 3. adjacent civilian-occupied compartments 4. any other level firefighters are operating 5. the roof
46
The tip of the ladder should rest where at a windowsill
At or slightly below windowsill
47
Firefighters should heel the ladder how
In an outside heeling position
48
When working off a ladder firefighters should use one of the following
leg-lock ladder belt Scott multiuse strap
49
When utilizing a leg-lock, the firefighter should position the leg performing the lock where
On the opposite side of the ladder from which they will perform the task
50
When positioning a ladder to establish roof access, personnel should ensure what
3-5 rungs extend above the roofline
51
After establishing roof access firefighters should do what
deploy a second ladder for secondary access
52
When using ladders to establish access to a recessed balcony, personnel should position them how
Against an exterior wall with the top 2 rungs above the area where the railing meets the exterior wall
53
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
two or more
54
If interior stairs are compromised what ladder can provide the length typically needed to span the length of the stairway
14ft straight
55
Any firefighter on an aerial device must have what
A ladder belt
56
If an aerial device contacts an electrical power line you should do what
- 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
What is minimum clearance working distances for electricity
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
At a minimum where are tower bucket emergency shut-offs
In the bucket and on the turntable
59
The correct order of raising an aerial ladder is what
1. raise 2. rotate 3. extend 4. lower
60
What are elevated master stream uses
- extinguishment - exposure protection - flying standpipe
61
What type of nozzle is most appropriate for extinguishment operations
smooth-bore
62
What type of nozzle is most appropriate for exposure protection
Fog nozzle
63
Potential use of narrow fog/straight stream
attic fire
64
potential use of fog stream
exposure protection
65
potential use of smooth-bore nozzle
warehouse or commercial building
66
To achieve the max reach of any stream inside a structure, the stream should most often be direct upward how
At a 30 degree angle through window or opening
67
Elevated master-stream operations can prevent autoexposure how far
100 vertical feet
68
Prior to implementing any master-stream operation, firefighters should withdraw to staging where
2 floors below fire floor

2025 Lt (12 decks)

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