Truck Book 3 Flashcards
What is the fixed elevated piping that secures to the bed of a hydraulic ladder and supplies a masterstream called?
Pre-pipe waterway
What is a non-self supporting portable ladder that is fixed in length consisting of one section?
Straight ladder
NFPA 1901 specifies the minimum length of ladder to be carried on an aerial apparatus as __?
115 ft
NFPA requirement pertaining to marking ladders is that if they are to be marked shall only be marked __ from the top.
18 in
Temperature stickers on the side of ground ladders are rated to change color when it reaches?
300F
An aluminum ladder can lose as much as __% of its load capacity even if only exposed to heat for a moment.
25
Priority order for placement of ground ladders on the fireground should be __
- Fire floor
If the decision is made to operate on the roof how many ladders shall be placed for egress?
Two
When laddering a roof, how many rungs should be placed above the roofline?
Three to five
If asphalt is encountered a __ may be driven into the surface to provide for a heeling surface.
Haligan
Any member operating on the aerial, in a bucket or an aerial shall wear __.
ladder belt or Scott Multi-use strap
Entering and exiting tower bucket platform shall be __ if possible.
through the swinging gates and not over the railings
What is the priority for ground ladders on a fire scene?
Occupant most threatened by fire
If an aerial ladder comes into contact with power lines the operator shall __.
Use hydraulic controls to move the aerial ladder away from the wires
If an aerial ladder comes into contact with power lines the operator shall bunny hop how far away?
30 ft
An aerial device shall be placed how far away from a structure before using as an elevated master stream?
1.5 times the structures height
Aerial master streams positioned too far from the involved structure do not deliver water effectively. Why?
Stream breaking apart prior to reaching the seat of the fire
What is not a main use for elevated stream operations?
Reaching an elevated position with the ladder
To achieve maximum benefit of any stream inside a structure, the stream should be directed upwards at __ degrees.
30 degrees
Elevated master streams operations can prevent auto exposure over __ vertical feet.
100
NFPA 1901 recommends a minimum total ladder length of_____ on a aerial apparatus.
115
NFPA stats visibility paint on the tip shall only be marked on the top _______ inches.
18
Ladder heat labels change color when they reach ______ degrees
300
Even if exposed for a moment a ladder can loose how much percent load capacity?
25