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Essentials of Fire Fighting > Ground Ladders > Flashcards

Ground Ladders Flashcards

1
Q

What is another name for a Halyard?

A

Fly rope

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2
Q

What does a heat sensor label do?

A

It changes colour when the metal of the ladder gets to 300 degrees F. If this happens the ladder needs to be strength tested.

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3
Q

What are Pawls?

A

Mechanisms that lock the ladder in place once it has been extended.

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4
Q

What are the five catagories of ladders used in firefighting?

A
  • Single
  • Combination
  • Roof
  • Extension
  • Folding
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5
Q

When are commercial ladders like step ladders allowed to be used?

A

In non-emergency situations around the firehall

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6
Q

What is a single ladder?

A

A single, non adjustable length of ladder used in quick window access. Usually between 2 and 10 meters long.

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7
Q

What is a roof ladder?

A

A single ladder that is equiped with hooks. it is placed on roofs as a means for walking on slippery or unsafe walking areas.

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8
Q

True or false. Extension ladders can only have one pully system according to NFPA.

A

False, they can have multiple pullys.

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9
Q

True or false. Ground ladders only need to be inspected if they were subject to abuse during operations?

A

False, they should be thoroughly inspected and cleaned after every use.

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10
Q

How long can a ladder go without being ispected if it has not been used in an incident recently?

A

1 month

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11
Q

What are some of the signs that a ladder has been weaked by heat, impact, wear and cracks?

A
  • Discolouration of the heat sticker or the metal itself
  • Burn marks on paint, flaking paint, soot deposits
  • Rungs are craked, or bent
  • Loose bolts. cracked welds
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12
Q

where can you find the length label for the ladder?

A

Within 12 inches of the butt plate

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13
Q

What five markings and labels are required on each ground ladder?

A
  • Length
  • Year of manufacture and the name of manufacturer
  • inventory number
  • Reflective or white tip
  • a stripe at the balance point
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14
Q

What can affect the performance of metal ladders?

A
  • Heat damage
  • Loose or missing rivets
  • damaged rubber on footpads
  • Rotten halyard
  • rust
  • damaged rungs
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15
Q

What can affect the performance of fiberglass ladders?

A
  • Cracks and chips
  • Heat damage
  • loose components
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16
Q

Should you ever put paint on wooden ladders?

A

no because it might hide damage.

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17
Q

What indicators demand repairs of wooden ladders?

A
  • Burn marks, soot marks
  • Cracks, dents, splinters
  • water damage
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18
Q

True or false. A ladder of any size must be carried by at least two firefighters.

A

False, the appropriate number of firefighters are required to lift any ladder.

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19
Q

True or false. Ladders can be lifted only with the arms if it is light or the firefighters are very strong.

A

False. All firefighters are required to lift only with the legs when the ladder is below the waist.

20
Q

True or false. The firefighter at the rear of the ladder carry is in command.

A

true because that person can see all the others and therefore has the most complete information.

21
Q

How many times should you inspect the area in which you intend to raise a ladder before doing so?

A

Twice, once before lifting the ladder and once again before the final placement.

22
Q

what is the minimum distance that ladders must be from electrical wires?

23
Q

If a perpendicular raise is obstructed by electrical wires or some other obsticle, what method can be used instead?

A

The parallel raise method, where the ladder is raised sideways

24
Q

Should the fly be placed facing the structure or facing the firefighter?

A

Most modern ladders have the fly facing the firefighter. but some older wooden ladders have it facing the structure.

25
True or false. the halyard must only be secured if the operation is not an emergency.
False. the halyard must always be secured before the ladder is used, unless they are self securing.
26
How many firefighters does it typically take to remove a ladder from an apparatus?
2
27
What are the average heights of a residential and commercial story?
10 feet and 12 feet
28
How long does your ladder need to be to access a second floor residential window? How about a second floor commercial window?
10 foot story + 3 foot windowsill + the angle of the ladder = 20 foot ladder. 12 foot story + 4 foot windowsill + the angle of the ladder = at least 28 foot ladder.
29
What is the only kind of ladder that can be six inches shorter than the designated length?
Extension ladder
30
When placing a ladder to mount a roof, how many rungs need to be higher than the roof?
three to five, to provide hand and foot holds.
31
Where should the ladder be placed in relation to a narrow window?
Upwind, the tip of the ladder must be at the same height as the top of the window.
32
Where should a ladder be placed when rescuing someone from a window?
at the base of the window.
33
True or false. after 35 feet, ladders have working heights that are two feet less than their actual heights.
True, before 35 feet, it is just one foot difference.
34
What is a quint?
a firetruck with five features: - Pump - Water Tank - Water hose - Aerial device - Ground Ladders
35
True or false, some apparatus carry their ladders vertically.
True, but it is vertical in terms of width. The rungs are vertical not the beams.
36
Name the four most common methods for storing ladders on an appararatus.
- Vertical exterior. - Vertical Interior - Horizontal interior - Horizontal exterior on mechanical rack
37
Why do we carry ladders butt first?
Because then it is easier to transition into a ladder raise.
38
What two positioning factors are important when placing a ladder?
- It is in the proper location for the intended job | - it is on even ground and far enough from the wall to be secure. (75 degrees)
39
Why are corners prefered places to put ladders?
They are structural strongpoints
40
Why can't ladders be placed into open windows or above them?
Potential heat exposure for the ladder and firefighter.
41
What is heeling a ladder?
Securing the butt end
42
What are the four positions in which firefighters can carry conscious and unconscious victims down a ladder?
-On the knee conscious -On the knee unconscious -Cross body Method -Modified cross body method also craddling if it is an infant.
43
On an extension ladder, what is the name of the part that extends?
Fly section
44
On an extension ladder, what is the name of the section that does not extend?
The Bed Section
45
True or false. Three points of contact must be maintained at all times when climbing a ladder.
False, when no equipment is being carried, only two points of contact are necessary. alternating between right hand left foot and left hand right foot. When carrying equipment, just one point of contact may be required at times

Essentials of Fire Fighting (26 decks)

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