Ground Ladders Flashcards
A device attached to the inside of the beams on fly sections used to hold the fly section in place after it has been extended is known as a:
a) pulley
b) rung
c) pawl
d) truss block
Pawl
Also called dogs or ladder locks
The lowest and widest section of an extension ladder that always maintains contact with the ground or other supporting surface is known as the:
a) bed section
b) fly section
c) footpad
d) halyard
a) Bed Section
What type of single ladder is often used for interior attic access?
a) roof ladder
b) folding ladder
c) wall ladder
d) extension ladder
b) Folding Ladder
Which NFPA standard addresses the use, maintenance, and service testing of in-service fire department ground ladders?
a) 1001
b) 1932
c) 1979
d) 1989
b) NFPA 1932
The ______ carry is typically used on extension ladders up to 35 feet.
a) two-firefighter low-shoulder
b) three-firefighter flat-shoulder
c) one-firefighter low-shoulder
d) two-firefighter arm’s length on-edge
b) Three-firefighter flat-shoulder
Which firefighter is the logical person to make the decision on exactly where the butt of a ladder is to be placed?
a) the officer
b) the spotter
c) the firefighter farthest away from the butt
d) the firefighter nearest the butt
The firefighter nearest the butt
Which of the following measurements is the desired angle of inclination of a ladder with the exception of certain rescue situations?
a) 25 degrees
b) 50 degrees
c) 75 degrees
d) 90 degrees
c) 75 degrees
Typically, ladders of 35 feet or longer should be raised by at least ____ firefighters.
a) 1
b) 2
c) 3
d) 4
c) 3
Whenever possible, pivot a ladder ____
a) before it is extended
b) while extending it
c) after it is extended
d) partway before beginning extension
a) Before it is extended
Which muscles should be used while progressing upward on a ladder?
a) arm muscles
b) leg muscles
c) back muscles
d) shoulder muscles
b) Leg muscles
Beam
main ladder structure supporting the rungs
Bed Section (base section)
Lowest and widest section of an extension ladder - always maintains contact with ground while ladder is being raised or lowered.
Butt (heel or base)
Bottom end of ladder placed on the ground
Fly Section
Upper section(s) of extension or combination ladders that move
Footpads
Swivel plates attached to the butt of the ladder, usually have rubber or neoprene bottom surfaces
Butt Spurs
Metal plates, spikes, or cleats attached to the butt end of ground ladder beams to prevent slippage
Guides
Wood or metal strips sometimes in the form of slots or channels, on an extension ladder that guide the fly section while being raised
Halyard
Rope or cable used for hoisting and lowering the fly sections of an extension ladder, also called fly rope
Heat-sensor label
Label affixed to the inside of each beam of each ladder section; a color change indicates that the ladder has been exposed to a sufficient degree of heat that it should be tested before further use
Hooks
Curved metal devices installed near the top end of roof ladders to secure the ladder to the highest point on a peaked roof of a building
Pawls (dogs or ladder locks)
Devices attached to the inside of the beams on fly sections used to hold the fly section in place after it has been extended
Protection Plates
Strips of metal attached to ladders at chafing points, tips of the ladder or areas that come in contact with mounting brackets
Pulley
Small, grooved wheel that the halyard is drawn through on an extension ladder
Rails
two lengthwise members of a trussed ladder beam that are seperated by truss or separation blocks