Truck Book: Ladders Flashcards

1
Q

Primary use of portable ladders

A

For Upper Floor and Access & Egress

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2
Q

Ladder tip marking

A

Done to allow visibility of ladder under heavy smoke

Not required by NFPA but recommended

Only paint in the top 18”

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3
Q

NFPA standard for use and maintenance of ladders

A

1932

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4
Q

Heat sensor requirement ladders

A

Started in 1984

Below the ladders second rung and its halfway point

Changes colors at Approximately 300º

Display expiration date

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5
Q

Ladders exposed to 300º or more may…

A

Lose as much as 25% of its load capacity

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6
Q

Ladder Placement order and priorities

A

Fire Floor - Floor Above - Adjacent compartments - Areas of Fire Department operations -Roof

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7
Q

When operating the aerial when should operator avoid retracting or extending

A

While firefighters are on the rungs

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8
Q

When must a ladder belt or Scott strap be used…

A

Ascending - Operating the tip - In tower bucket

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9
Q

Safest insulator for electricity

A

Distance

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10
Q

When aerial contacs electrical power lines operator should…

A

Move aerial away from wires

Stay on turntable and warn others within 50ft

Notify incident commander

Isolate and deny entry to area around the vehicle

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11
Q

OSHA regulation _________ says minimum clearance from energized lines

A

1926.1408

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12
Q

OSHA 1926.1408 distances from power lines

A

Up to 50kV: 10 ft

50-200 kV: 15 ft

200-350 kV: 20ft

350 - 500 kV: 25 ft

500 - 700 kV: 35 ft

750 - 1000 kV: 45 ft

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13
Q

Operators and Officers must know the distance required to?

(Tower Bucket)

A

Distance required to lower the bucket to step-in height when operating the aerial off the apparatus side and rear

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14
Q

Order of Aerial movements that must be used during a rescue

A

Raise - Rotate - Extend - Lower

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15
Q

Victims prioritized in a multiple victim structure

A

Occupants most threatened by the fire

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16
Q

What is Break over point of a stream

A

Smooth bore stream stops its upwards trajectory

17
Q

To what degree does a master stream have to be set-to inside a structure

A

Upward at a 30º angle

18
Q

How Far will nozzle reaction cause a ladder or platform to move

A

When Nozzle is flowing perpendicularly it will move 1 ft

19
Q

Upon use of master streams operators must coordinate ________ to avoid ___________

A

With one another to avoid directing master streams or pushing debris toward the other company