Ladders

Question 1

Articulating Boom Ladder

Answer 1

An apparatus with a series of booms and a platform on the end. It is maneuvered into position by adjusting the various boom sections into place to position the platform at the desired location.

Question 2

Bed Ladder

Answer 2

The nonextending part of an extension ladder.

Question 3

Extension Ladder

Answer 3

A ladder consisting of two or more sections that has the ability to be extended to a desired height through the use of the halyard.

Question 4

Fly Ladder

Answer 4

The portion of a ladder that extends out from the bed ladder. Also called the fly section.

Question 5

Halyard

Answer 5

Rope or cable that is used to raise the fly portion of an extension ladder.

Question 6

Hydraulic Pistons

Answer 6

Mechanical rams that operate by pressure exerted through the use of a liquid, usually some form of oil.

Question 7

Ladder Pipe

Answer 7

An appliance that is attached to the underside of an aerial ladder for an elevated water application.

Question 8

Nested

Answer 8

The state when all the ladders of an extension ladder are unextended.

Question 9

NFPA Standard 1931

Answer 9

Standard for manufacture’s design of fire department ground ladders.

Question 10

NFPA Standard 1932

Answer 10

Standard on use, maintenance, and service testing of in-service fire department ground ladders.

Question 11

Staypoles

Answer 11

The stabilizer pols attached to the sides of Bangor ladders that are used to assist in the raising of this type of ladder.

Question 12

Tip Arc

Answer 12

The path that a ladder’s tip will take while being raised.

Question 13

Tower Ladder

Answer 13

An apparatus with telescopic boom that has a platform on the end of the boom or ladder. It can be extended or retracted and rotated like an aerial ladder.

Question 14

Turntable

Answer 14

The rotating platform of a ladder that affors an elevating ladder device the ability to turn to any target from a fixed position.

Question 15

Working Length

Answer 15

The length of the the ladder that spans the distance from the ground to the point of contact with the structure. This does not include any distance the ladder might go beyond the point of contact as would be the case when the tip extends beyond the roof.

Question 16

Truss Type Beams

Answer 16

Construction that removes non-support portions of a solid structural member without reducing strength but reducing weight.

Question 17

Ladder

Answer 17

structure consisting of two long sides crossed by parallel rungs, used to climb up and down.

Question 18

Pads

Answer 18

Nonslip pieces of rubber or plastic that attack to the bottom of a ladder to prevent slipping.

Question 19

Protection Plates

Answer 19

Reinforced metal that is built up at chafing points to avoid weakening creating by friction.

Question 20

Straight ladders are usually found at which lengths?

Answer 20

12 to 20 ft.

Question 21

At what height does an extension ladder require stay poles (tormentor poles)?

Answer 21

40 ft.

Question 22

What is the maximum height of a Bangor ladder?

Answer 22

50 ft.

Question 23

A Bangor ladder requires up to how many firefighters to place?

Answer 23

6

Question 24

True/False A roofer can also be used as a hanging ladder?

Answer 24

FALSE

Question 25

Folder ladders are generally how tall?

Answer 25

10 ft is the most common but range from 8 to 16 ft.

Question 26

As firefighters according to NFPA 1931 who has to do any work beyond general maintenance?

Answer 26

Trained Ladder Technicians

Question 27

What should you clean a ladder with?

Answer 27

Mild soap/detergent and a scrub brush with water.

Question 28

While ladders are designed and tested for climbing only, what else are they used for?

Answer 28

Shoring tool, fencing, holding loose debris, water chute.

Question 29

What are ladders employed least often for?

Answer 29

Rescue

Question 30

For ventilation purposes how can a ladder be used?

Answer 30

To clear glass with tool from elevated position or take glass with the ladder itself.

Question 31

When bridging a gap with an extension ladder the rule of thumb is

Answer 31

5 ft. on each end of the ladder for each 10 ft. spanned.

Question 32

Residential floors are how many feet?

Answer 32

8ft to 10 ft.

Question 33

Commercial floors are how many feet?

Answer 33

10 to 12 ft.

Question 34

When should you use chocks under a beam to even ground?

Answer 34

NEVER

Question 35

Proper ladder angle is

Answer 35

75 degrees or 1/4 the length of what your laddering.

Question 36

Where should a ladder be placed on a fire escape?

Answer 36

At or below the top railing. Similar to rescue on a window. If placed to the side of the fire escape it should be several rungs above the escape rail to have more points of contact.

Question 37

When saving numerous victims off a large area with multiple ladders how should they be set up?

Answer 37

One ladder should be for ascending and all others for descending.

Question 38

Other types of ladder usage are?

Answer 38

Portable pool, Barrier, Structure support, Hoist point, Ventilation fan supports,

Question 39

What are the most common causes of ladder related injuries?

Answer 39

Overreaching, overbalancing, overloading ladder limits.

Question 40

When ascending a ladder where should the firefighter look?

Answer 40

Straight a head, occasionally above to where he is going.

Question 41

Climbing path

Answer 41

The invisible tunnel in which a firefighter has to climb through with SCBA to the top. Reconsider position if you have to squeeze to avoid wires etc.

Question 42

The longer the ladder the more what will occur?

Answer 42

Lateral lean

Question 43

When ladders are stored how many support points should they have?

Answer 43

More than two, or preferably on flat surface.

Question 44

Ladders should never be painted especially wood ladders, when can you use small amounts of paint?

Answer 44

Identification, Visibility, Quick Reference, Hoist Points.

Question 45

The three types of carries are?

Answer 45

Suitcase, Shoulder, Flat

Question 46

Most situations call for how many firefighters to raise a ladder?

Answer 46

2

Question 47

Who should be in place when raising ladders near overhead wires?

Answer 47

Safety Officer

Question 48

Any extension ladder over 25 ft normally requires how many people to carry it?

Answer 48

3

Question 49

Where should the person healing the ladder be placed (per the book)?

Answer 49

In front, the book strongly discourages heeling under the ladder.

Question 50

An aerial ladder is generally how long?

Answer 50

100 ft.

Question 51

What are aerial ladders made out of?

Answer 51

Steel, aluminum or other combinations of alloys

Question 52

The mounted basket on a tower ladder is capable of hold how much weight?

Answer 52

750 to 1000 lbs.

Question 53

How many firefighters does it take to use a tower ladder to help victims?

Answer 53

2

Question 54

When did the articulating boom ladder come into existence?

Answer 54

1960's

Question 55

The disadvantage of a snorkel type ladder?

Answer 55

Needs observation from many point due to its many angles or articulation.

Question 56

When do heat sensor turn from orange to black?

Answer 56

300 degrees

Question 57

At 300 degrees a ladder loses what percentage of its load?

Answer 57

25%

Question 58

Extension Ladder are normally how long?

Answer 58

12 to 39 ft

Question 59

How long are Bangor ladders normally?

Answer 59

40 to 65ft. Modern Bangors are 40 to 50 ft.

Question 60

Which ladder is the only one with a positive locking device?

Answer 60

Folding/ attic ladder

Question 61

What is the length of roof ladders?

Answer 61

12 to 16

Question 62

When was the last Pompier rescue?

Answer 62

July 11, 1996

Question 63

The horizontal static load on a factory ladder test is?

Answer 63

750 lbs

Question 64

Roof hooks that are 3/4 inches have a static load capacity of?

Answer 64

2000 lbs

Question 65

Hardware components on an extension ladder are rates to what for a static load?

Answer 65

1000lbs

Question 66

Per NFPA 1931 a halyard needs to be a minimum of what thickness?

Answer 66

3/8 inch

Question 67

Rung torque in both directions is how many lbs?

Answer 67

30 lbs

Question 68

A 500 lbs department test on a ladder is done how often?

Answer 68

Annually

Question 69

What can negatively affect ladder operation?

Answer 69

Dirt and road grime.

Question 70

What is the most common cause of injury on a ladder?

Answer 70

Overloading

Question 71

How much Clearence from electrical Wires do you need?

Answer 71

10 ft

Question 72

According to NFPA 1901 am engine needs how many of each ladder?

Answer 72

1 10 ft attic 1 14 ft roofer 1 24 ft extension

Question 73

NFPA 1904 requires aerials to carry what types of ladders?

Answer 73

``` 1 10ft folding 2 16 ft roofers 1 14 ft combination 1 24 ft extension 1 35 ft extension ```

Question 74

Range of an aerial apparatus is from?

Answer 74

65 ft to 110 ft.

Question 75

Floor to window height on residential and commercial.

Answer 75

2ft on residential and 4 ft on commercial