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IFSTA Pumping & Aerial Apparatus > Chapter 17: Positioning Aerial Apparatus > Flashcards

Chapter 17: Positioning Aerial Apparatus Flashcards

1
Q

Apparatus placement procedures should be developed during __________.

A

Pre incident planning

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2
Q

During preincident planning for target hazards (high rise, hospitals), personnel should give special consideration to aerial apparatus in terms of _______ to various portions of the occupancy, overhead obstructions, and many other factors that may influence the function of the apparatus.

A

Access

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3
Q

Went 2 aerials respond to a given location, the first arriving aerial takes the ________ of building, and the second goes to the ________, depending on building access.

A

Front

Rear or side

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4
Q

Went 2 aerials’s response to a given location, the first aerial’s position is based on the __________, the second aerial apparatus ________.

A

Present conditions

Stages

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5
Q

__________: The area beneath a wall in which the wall is likely to land if it loses structural integrity.

A

Collapse zone

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6
Q

The proper distance between the objective and the aerial apparatus is the distance that affords _______, _______, and _________.

A

Maximum stability

Best climbing angle

Adequate extension

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7
Q

___________ place the maximum amount of stress on an aerial device and reduce its load-carrying capacity.

A

Long extensions at low angles

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8
Q

The ________ of the fire building affects the distance that the aerial device may be positioned from the building.

A

Conditions

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9
Q

_________: (1) positioning the apparatus in a location that provides the utmost efficiency for operating on the fire ground. (2) positioning a ladder to reach an object or person.

A

Spotting

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10
Q

Only as a last alternative should apparatus be placed on _____ surfaces.

A

Soft

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11
Q

_________: The ground above underground parking structures, utility chases, drainage culverts, basements that extend under sidewalks, or underground transportation systems.

A

Vaulted surfaces

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12
Q

_________ are good indicators of underground voids.

A

Manholes

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13
Q

_________ may tend to weaken marginal or otherwise firm paved surfaces.

A

Extreme heat

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14
Q

One visual indicator of a compromised asphalt surface due to extreme heat is when the asphalt ______, creating a shiny, glass-like surface.

A

Bleeds

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15
Q

When dealing with grade, position the apparatus with the front tires of the apparatus _________. With the rear tires off the ground, the truck has less resistance to slide downhill. the rear compartments will be more difficult to reach once the apparatus is leveled.

A

Uphill

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16
Q

_________: loads that involve motion. They include the forces arising from wind, moving vehicles, earthquakes, vibrations, or falling objects, as well as the addition of a moving load force to an aerial device or structure.

A

Dynamic load

17
Q

Electricity will arc across a gap as large as ______ feet, and all overhead obstruction wires or cables should be considered hazardous and dangerous

A

10

18
Q

Provide _____ feet of clearance between the aerial device and overhead high-voltage lines.

A

10

19
Q

Provide ______ feet of clearance for high-voltage transmission lines over 50,000 volts.

A

50

20
Q

The apparatus is MOST stable when the aerial device is operated directly over the _________ of the vehicle

A

Front or rear

21
Q

An angle ________ to the apparatus is the least stable position.

A

Perpendicular

22
Q

For rear-mounted aerial devices, ________ the apparatus is the preferred method, as this maximize the reach to the aerial device.

A

Backing in

23
Q

_________ involves turning the tractor has an angle from the trailer.

A

Jackknifing

24
Q

Greatest ability occurs when jackknifing is approximately _______ degrees from in-line and the aerial device is extended ______ from this angle.

A

60

Away

25
Q

__________ are factors that work against the aerial device’s strength.

A

Stresses

26
Q

Stress tends to be greater when the aerial device is __________.

A

In motion

27
Q

Stress in aerial devices is increased when the ladder rungs are operated _________ to the ground or when the apparatus is parked on an incline and the aerial device must operate off of the_______ of the apparatus.

A

Nonparallel

Side

28
Q

When an apparatus must operate off an incline, reduce the stresses by spotting the turntable _______ from the point of operation.

A

Downhill

29
Q

If the truck only has two jacks, then the direction/grade in which it can be stabilized on is fairly limited. The apparatus needs to be facing _______

A

Uphill

30
Q

The maximum loading for any unsupported aerial device occurs when operated at angles between ______ degrees from horizontal.

A

70-80

31
Q

When positioning on highways, close at least ______ lane next to the incident. Consider parking additional apparatus ______ feet behind the shielding apparatus.

A

1

150-200

32
Q

When operating on bridges and multiple apparatuses are responding, do not park or operate all apparatus on the same ______.

A

Span

33
Q

On emergency medical incidents, if it is not possible to locate off the street, the driver should position the apparatus to _________.

A

Shield firefighters from traffic

34
Q

On structural incidents, ________ must be constantly monitored during operations.

A

Building stability

35
Q

On aircraft incidents, the aerial device will be primarily used to _______

A

Transport firefighters/equipment to upper levels

36
Q

On aircraft incidents, the aerial device may be used to provide access for the following: (4)

A

Ventilation

Passenger rescue

Deploying headlines to the interior of the aircraft

Master stream applications

37
Q

When operating at storage tank fires, the apparatus should never be spotted ________ that surrounds the affected tanks.

A

Inside the dike

38
Q

Aerial apparatus placement on the fire ground is critically important because aerial devices and ladders have a __________.

A

Fixed maximum length

IFSTA Pumping & Aerial Apparatus (5 decks)

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