Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Fire Appartus Driver Operator > Chpt 15 > Flashcards

Chpt 15 Flashcards

1
Q

The traditional most obvious role for the aerial apparatus on the fire ground remains the _____

A

Rescue of trapped persons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The order of tactical priorities remains the traditional one

A

Rescue
Exposures
Confinement
Extinguishment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Is accomplished first either by removing victims from the fires threat or by extinguishing or at least knocking down the fire, thereby making removal of the victim less dangerous

A

Rescue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The priorities for the use of the aerial apparatus are as follows

A

Rescue
Exposure protection
Ventilation
Elevated streams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When victim removal via ladder is required above the third floor, it is the aerial ladder that is usually needed for this operation

A

Priority 1 rescue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Most portable ladders carried on fire apparatus will be of insufficient length for operations at heights greater than the ____

A

Third floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

When faced with a large fire and no immediate need for the aerial device to perform rescue work, the apparatus may be called upon to provide an ____

A

Elevated stream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

With the need for rescue and exposure protection addressed, the aerial may then be used to perform Horizontal and vertical ventilation

A

Priority 3 ventilation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

When called for by the IC, the application of an ______ by the aerial apparatus can be an effective tactic in the suppression of heavy fire

A

Elevated stream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

While a handline can be advanced up and off the tip of an aerial, another elevated stream-operation entails deployment of a stream fed by a

A

Standpipe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In buildings without standpipes or buildings under construction, however, it may be more expedient to use the aerials ____ to deploy a handline

A

Prepiped water way

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

All aerial apparatus have a _____, referring to the location where the aerial device attaches to the chassis

A

Turntable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When the aerial device is attached to the rear, it is referred to as a

A

Rear mounted device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When the aerial device is attached to the middle of the chassis, it is referred to as a ______

A

Midship device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The aerial ladder without any basket or platform is a

A

Straight ladder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Straight ladders have a

A

Truss construction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

NFPA 1901 requires a minimum tip load capacity of

A

250 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Elevated platforms require a minimum tip load of

A

750 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Aerial platforms can be referred to as ______, depending on the region of the country

A

Tower ladders or ladder towers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The boom may or may not serve as a ladder, although the ______ is most common

A

Ladder type boom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

In general, _____ have a telescoping boom that does not articulate and is equipped with a bucket, basket, or platform from which fire fighters can operate

A

Platforms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The ______ consists of a boom with a hinge or knuckle joint in its midsection; the boom is not constructed with a ladder truss design

A

Articulating platform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Articulating platforms may range from _____ in length

A

50 to 100 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The most common construction technique for an aerial device is

A

Truss construction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The truss carries the load of the aerial and any live load to the turntable and into the torque box, where it is transferred first to the _____ and ultimately into the earth

A

Stabilizers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Although there are still many aerial devices that utilize true hydraulic controls, the modern aerial is stabilized and maneuvered using hydraulic systems that are operated by

A

Electronic controls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Commonly referred to as “______” arrangements, these controls regulate the movement of the hydraulic fluid from its reservoir through the hydraulic pump and to the hydraulic cylinders

A

Electric over hydraulic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The hydraulic pump is generally powered by a _____ unit from the chassis power train

A

Power take off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

All aerials must be ___ prior to elevation, extension, and rotation of the aerial device to prevent the entire apparatus from overturning

A

Stabilized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Are the most common type of stabilizer

A

H type

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The stabilizer is fully extended horizontally to achieve maximum width for the footprint, then extended down vertically to take the chassis load off the suspension

A

H type stabilizers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Also referred to as X type stabilizers, extend out and down from the chassis in a single action

A

A type stabilizers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Of the four types of stabilizers, _____ need the most room to deploy

A

Fold downs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

The _____ prevents the aerial device from being raised from its bedded position unless all stabilizers are set

A

Rotational interlock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Once the device is raised from its bedded position while short jacked, the _______ will prevent the aerial from being rotated onto the short jack side of the apparatus

A

Rotational interlock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Using pressure transducers or other technology, the load imposed onto the chassis by the aerial device is monitored, with an ____ sounding if the load exceeds the capabilities of the stabilization system

A

Alarm sounding over load protection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

_____of the aerial ladder or platform is rated by the manufacturer and generally based on the apparatus being set on level ground with the aerial device raised to its maximum extension at a 75 degree angle

A

Vertical reach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

The _____ should be measured following NFPA 1901, which specifies that the distance reached is measured from the middle of the turntable to the last rung of the fly section of the aerial ladder or the outermost rail of the aerial platform

A

Horizontal reach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

For an aerial rated at 100 ft, the effective horizontal reach when perpendicular to the chassis may only be ____ due to the loss of the turntable elevation and stabilizer footprint

A

82 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

At least once every five years, whenever a visual inspection indicates an issue, or after major repairs have been performed, the aerial apparatus should be subject to a ____ as well as detailed inspection

A

NDT non destructive testing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

To position the aerial apparatus to best advantage, four priorities must be addressed

A

Rescue
Exposure protection
Ventilation
Elevated streams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Based on the direction provided by the company officer, the driver operator knowledge of the structure or complex and surrounding geography, and assessment of conditions, the apparatus must be positioned at the

A

Best vantage point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

For most one and two family private dwellings, placement of the apparatus will usually be _____ relative to the structure

A

Front and center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

If necessary or if conditions warrant, the turntable could be positioned on the AB or AD corner of the structure to allow for access to

A

Two sides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

In many cases, the ______ from the curb or shoulder may make the horizontal reach a challenge

A

Set back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

At these taller structures, there is less need for the aerial to aid in roof work, so early efforts will be focused on

A

Physical rescue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

The prime concern at commercial or industrial structure is usually not rescue, but rather

A

Building collapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

With some exceptions, commercial and industrial properties are often single-story structures that contain high ceilings and open floorplans, creating the potential for

A

Large fire volumes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Lightweight building construction, including those structures that utilize trusses, are another concern for consideration. In building with these types of construction, fire may progress rapidly and increase collapse potential. The conventional wisdom calls for positioning the aerial apparatus at a ______ in such cases

A

Corner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

In some departments with a two aerial response on the initial alarm, the _____ positions opposite the first aerial

A

Second aerial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

When evaluating where to position and set up the aerial apparatus, ______ are major considerations

A

Building type and height

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Sometimes referred to as the _______, this distance is helpful to the driver operator, as it allows him or her to know just how far the aerial apparatus will reach horizontally

A

Building line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

At most commercial structures, the need for the aerial to perform or support a physical rescue is

A

Very low

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Strip malls present with unique considerations. The locations of entrances and exits, particularly those with raised islands or pork chops, may limit ingress. Parking lot arrangement may impair turning or maneuvering. In some cases a traffic lane at the front of the structure may actually position the aerial in the collapse zone if the driver operator has not preplanned the complex. The height and depth of the front facade or parapet may impair roof access.

A

When such difficulties are suspected, the rear of the structure may offer a better option for the apparatus positioning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

When deciding on which side of the strip mall the aerial should be placed, the evaluation should include the potential for

A

Fire spread

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Many modern big box structures use ______

A

Tilt slab construction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Under fire conditions, Wall failure and roof collapse should be expected at these sites

A

Big box structures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

As the aerial apparatus driver operator begins to approach the scene, he or she should dramatically slow down the vehicle at least_____Before the reported fire location

A

500ft

59
Q

The _____ is defined as the horizontal separation distance between the wall of a structure and the positioned apparatus

A

Collapse zone

60
Q

When presented with the narrow front but deep structure, a_______is usually best, as in allows a maximum sweep scrub of the structure and can offer an address any need for physical rescue, roof access, for elevated stream application.

A

Corner placement

61
Q

Unless faced with a physical rescue or an immediate need for an elevated stream on the main body of fire, positioning ______is best left to lowrise residential structures such as private homes or small two to six unit apartment buildings three or fewer stories tall

A

Front and center

62
Q

While the apparatus should always be position to go to work at any fire, whether the aerial device is needed for rescue is based on the

A

Rescue profile

63
Q

The _____ will tell the officer whether ground ladders or the aerial is needed and which is the best choice

A

Rescue profile

64
Q

The _____ are designed to keep the aerial and its chassis from tipping left to right, front to back, or both.

A

Outriggers

65
Q

Is the complete extension of all stabilizers and is always the desired action

A

Full jacking

66
Q

With ____, the stabilizers are not fully extended on the side of the aerial apparatus where the aerial will not be raised, lowered, or rotated to.

A

Short jacking

67
Q

Only aerial apparatus with _______ can be short jacked, but not all H type stabilizers can accommodate this procedure

A

H type stabilizers

68
Q

Modern aerial apparatus are equipped with an aerial _____ that prevents the aerial from being moved into a position in which stabilizers are not fully developed

A

Rotational interlock

69
Q

The decision to use a short jacking side procedure must be based on a ______

A

Risk versus benefit analysis

70
Q

A mission critical need that can be safely accomplished is the only justification for the use of ____

A

Short jacking

71
Q

To guard against the tip/platform firefighter accidentally maneuvering the aerial device into wires, obstructions, or other hazards, it is best for the driver operator to stay_______, constantly observing the actions of the tip/platform and maintaining one hand on the turntable controls.

A

Positioned at the turntable

72
Q

Use caution when maneuvering the aerial device, and maintain a minimum separation distance of at least ____ and preferably even further for distribution wires

A

10 ft

73
Q

Loads should be positioned ______ not lateral to rungs, whenever possible

A

Perpendicular

74
Q

The design of the modern aerial is based on the truss construction of the ladder and relies on the use of a

A

Class 3 lever

75
Q

No more than ____ firefighters should occupy the extreme tip of an aerial ladder

A

Two

76
Q

No more than _____ firefighters should occupy the platform unless the manufacturers specifications allow for additional firefighters

A

Three

77
Q

When a prepiped water way us charged or a ladder pipe is affixed to the tip and charged with a hoseline, there is an additional load on the ladder. One hundred feet of 3 1/2 inch pipe or hose will hold more than _____ of water

A

600 pounds of water

78
Q

Under ice and snow conditions it is best to not extend the aerial past ____ of its total length

A

95 percent

79
Q

Whether in trading or at a structure fire, ay fire fighter climbing the aerial ladder or occupying the tip or platform of an aerial, even for brief periods, should wear and use a ______ meeting the requirements of NFPA 1983

A

Ladder belt

80
Q

When the aerial ladder is being extended, retracted, or otherwise moved, the firefighter should not be in any location other than the

A

Platform

81
Q

When the decision is made to conduct the rescue using the aerial apparatus, the driver operator must _______ it before deploying the ladder or platform to the victim

A

Position and stabilize

82
Q

If a victim were to jump onto the aerial, the shock load might be too much and could result in damage rendering the aerial inoperable or, even worse, leading to a catastrophic failure. A 150 lb person jumping down just 5 ft will impact with more than _____ of force on the tip already loaded with the weight of the firefighter

A

750 pounds of force

83
Q

When rescuing victims from a window, place the ladder tip or platform at the _____

A

Sill

84
Q

Some firefighters prefer to position the floor of a platform at the ____

A

Sill or balcony railing height instead

85
Q

If victims are on a roof or balcony, attempt to position the tip or platform ______ as much as possible

A

Over the edge as much as possible

86
Q

Those individuals who are directly exposed to fire conditions are the

A

Top priority

87
Q

When evaluating those victims in areas other than the immediate fire area, it may be best to have the aerial company ______

A

Shelter those people in place or direct them to use building features to isolate smoke

88
Q

Regardless of the technique used, carrying a victim down the aerial ladder requires at least ______ firefighters: two for the carry and one more below the carrying team providing direction and guidance

A

Three firefighters

89
Q

Whether the company is using an aerial ladder or platform, it is safer and faster to move the victim onto the aerial and then ___ the tip or platform to the ground versus trying to carry the victim or letting the person climb down

A

Lower

90
Q

Regardless of whether the victims are carried down, walked down, or lowered, the load on the aerial must be anticipated and managed to

A

Prevent overloading

91
Q

When performing horizontal ventilation via windows, position the aerial _____ of the ventilation location

A

Upwind

92
Q

For vertical ventilation, the aerial should be positioned such that fire fighters accessing the roof will be able to ____ rapidly should conditions deteriorate or the IC so orders them to do so

A

Escape

93
Q

For streams launched from the aerial, the reach will never be more than the apparatus design. Rarely are elevated streams operated elevations greater than 75°. In many cases the best results are produced when the stream is ______to the fire as possible

A

Low and close

94
Q

Also, as the aerial becomes more horizontal, some reach of the aerial is lost due to the setback of the turntable centerline due to the needs of the

A

Stabilizers

95
Q

Maximum reach and penetration are desirable qualities for an

A

Elevated stream

96
Q

In particular exposure protection and cooling operations during hazardous materials incident are two times when a ____ may be of benefit

A

Fog pattern

97
Q

On modern aerial apparatus with a prepiped water way, using a _____ is the best way to ensure the desired flow is delivered

A

Flow meter

98
Q

While it is more commonly used for defensive operations, the _____ can also be used offensively

A

Elevated stream

99
Q

Elevated streams can easily produce flows _____ that of a large handline

A

Two to four times

100
Q

Whenever an elevated stream is flowed into a building, a large dead load is imposed on the structure. A flow of 1000 gpm equals ——- of water weight being added every minute

A

4 tons

101
Q

When ordered to protect the exposure, the aerial company should direct the water from the elevated stream onto the ____ and not the fire

A

Exposure

102
Q

As the aerial apparatus approaches and arrives at the incident, the driver operator must consult rapidly with the apparatus officer to determine the _______ for the company

A

Tactical priority

103
Q

When victim removal is not immediately needed, a secondary ______ for firefighters operating in a fire area above the third floor becomes a priority

A

Means of egress

104
Q

As with any fire before efforts are directed at extinguishment, the IC must ensure that the fire will not spread.

A

Priority 2 exposure protection

105
Q

When called for by the IC, the application of an elevated stream by the aerial apparatus can be an effective tactic in the suppression of fire.

A

Priority 4 elevated stream operations

106
Q

The adage that when the aerial goes up, the building comes down could not be further from the truth; it is not the position of the elevated stream, but rather the purpose of the stream that supports an

A

Offensive or defensive fighting effort

107
Q

In more specific terms, there are three main types of aerial apparatus

A

Straight ladders
Elevated platforms
Articulating platforms

108
Q

Aerial ladders and aerial platforms may be constructed of either

A

Aluminum or steel

109
Q

On aerial platforms _______ are used to keep the basket level

A

Hydraulic cylinders

110
Q

No manufacturer will include stabilizers whose use is optional; that is, all stabilizers are needed for the

A

Maximum safe operation of the aerial

111
Q

Extend out following an arc, similar to the arc that might be created if you extended your arms above your head and then lowered them to your side without bending your elbow

A

Fold down stabilizers

112
Q

Such stabilizers require a footprint to the h type stabilizers to deploy but unlike h type stabilizers cannot be

A

Short jacked

113
Q

Additionally, the width of the stabilizer footprint reduces the effective reach of the aerial, as it requires the centerline of the turntable to be set back from the operating surface by ____

A

7 to 10 feet

114
Q

Whenever the aerial PTO or stabilization system will not engage or operate or the aerial device will not perform one of the basic five basic maneuvers

A

It should be removed from service

115
Q

Sweeping the A side of the structure will be easily accomplished from this position

A

Front and center relative to the structure

116
Q

When a second aerial apparatus is dispatched on the initial alarm, it should usually _____ unless otherwise instructed by sop or sog or given an order by the ic

A

Stage

117
Q

An aerial device that is extended more perpendicular than parallel to the apparatus may require the driver operator to reduce the load placed on the

A

Ladder or platform

118
Q

At low rise apartments, parking or landscaping may increase the _____ and affect the positioning and reach of the apparatus

A

Setback

119
Q

At mid rise apartments, the need for ______ will be greater than at other structures

A

Vertical reach

120
Q

Looking at the front of the building the driver and the company officer should quickly determine the likely direction of fire spread and identify which side of the strip mall has the most uninvolved structure. It is this side that may have the

A

Greatest loss or fire spread potential

121
Q

This distance must be equal to or greater than the height of the structure, including all features such as parapets, decorative finishes, and signs.

A

Collapse zone

122
Q

Wind direction and fire and smoke conditions are indicators of the desired turntable location, which determines the _______ for the aerial

A

Scrub and sweep

123
Q

The driver operator must work with the company officer to create a _______ of the structure at each working fire

A

Rescue profile

124
Q

When a stabilizer cannot be fully deployed and its allowable per the operators manual, the apparatus may be short jacked on the

A

Non operational side

125
Q

When the pump and the aerial are both needed, it is faster to set up the ______ and then place the pump in gear.

A

Aerial device first

126
Q

When the terrain is even and level, ______ can be achieved

A

Maximum stabilization

127
Q

Do not set stabilizers on top of a

A

Curb

128
Q

The skilled in practice driver should be able to combine the maneuvers of raising lowering rotating and extending retracting the area with feathering of the controls to avoid

A

Fly fishing

129
Q

Shock loads are equivalent to multiple _____ which the apparatus may not be designed to handle

A

Loads

130
Q

Firefighters climbing onto or off of the tip/platform should avoid ______ the aerial and prevent it from bouncing up and down or side to side.

A

Shock loading

131
Q

Newer aerials must support at least ____ at the tip with a 2:1 safety factor

A

250 pounds

132
Q

If you are faced with one or two victims who need minimal assistance, perhaps ______ is the best option

A

Removing them

133
Q

However, if there are multiple victims in one or more locations, it might be best to focus on _________ to reduce urgency of the situation

A

Controlling and containing the fire

134
Q

Regardless of whether initial roof access is via ground or aerial ladder, fire fighters should be provided with

A

Two ways off the site

135
Q

A _____ makes handling and maneuvering the victim easier and safer

A

Basket litter

136
Q

Besides placing fire fighters into high positions for rescue or ventilation, the other major role of the aerial device is deployment of

A

Elevated streams

137
Q

No matter what the positioning of the aerial apparatus, the reach of the fully extended aerial is roughly twice the

A

Vehicle length

138
Q

To maximize stability and load bearing capacity of the aerial, operate the aerial extended over the _________, maintaining the aerials force in line with chassis and maximizing the load distribution onto all stabilizers we equally as possible

A

Over the cab or off the rear

139
Q

Combining pressure gauges with a _____ will allow for the most accurate flow delivery

A

Flow meter

140
Q

When the aerial company is ordered to protect a specific exposure, all considerations that arise when positioning the apparatus at the fire building must also be taken into account, with particular consideration given to the

A

Collapse zone

141
Q

When operating a platforms nozzle over a fire or near an exposure, it is best to turn on the platforms

A

Sprinkler

142
Q

Before retracting a charged waterway, it is best to ______ and open the drain

A

Uncharge it

143
Q

In the event that the aerial is raised and operating and experiences a failure of its controls or power supply, it will be necessary to switch to the ______

A

Emergency system

Fire Appartus Driver Operator (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions