Ladders Flashcards
What is the lowest and widest section of an extension ladder?
Bed section
What is the main structural member of the ladder?
Beam
Bottom end of ladder?
Butt
The section of the ladder that moves?
Fly section
Swivel plates attached to the butt of the ladder?
Footpads
Wood or metal strips that guide the fly section?
Guides
Rope that hoists the fly section up?
Halyard
Label that changes color when exposed to sufficient degrees of heat?
Heat sensor label
Curved metal device attached to too of roof ladders?
Hooks
Attached to inside of beams to hold fly section in place?
Pawls
Strips of metal attached at chaffing points?
Protection plates
Grooved wheel that the halyard is pulled threw?
Pulley
Two lengthwise members that are separated by truss?
Rails
Cross members that provide footholds for climbing?
Rungs
Metal or wooden pieces that prevent the fly section from extending to far?
Stops
Metal rods extending from one beam to the other?
Tie rods
Top of ladder?
Tip
Spacer set between the rails of a trussed ladder?
Truss block
What are the 2 names also used for single ladders?
Wall ladders
Straight ladders
What are the most common lengths for single ladders?
12-24 feet
What are single ladders with folding hooks?
Roof ladder
What do roof ladders do?
Distribute your weight and helps prevent slipping
What are single ladders that are often used for interior attic access?
Folding ladders
What are the common lengths for folding ladders?
8-16 feet
Most common is 10 feet
What is a ladder that is adjustable in length?
Extension ladder
What length do extension ladders range from?
12-39 feet
What are extension ladders that when over 40 feet require staypoles?
Pole ladders
Ladder that is designed so that they can be used as a self supporting stepladder and as a single or extension ladder?
Combination ladder
Single beam ladders with rings projecting from both sides?
Pompier ladder
What are ground ladders constructed off?
Metal
Wood
Fiberglass
Keeping a ladder in a state of usefulness or readiness?
Maintenance
Means to either restore or replace?
Repair
What so repairs require when being serviced?
Trained repair technician
A pumper must carry what 3 ladders?
Straight ladder
Extension ladder
Attic ladder
What is the average distance for residential buildings and commercial buildings?
Residential- 10 feet
Floor to windowsill- 3 feet
Commercial- 12 feet
Floor to windowsill- 4 feet
What are the 3 rules of thumb for ladder lengths?
Extend the ladder 3-5 rungs beyond roof.
Place tip of ladder top of window on wind-ward side.
Place tip of ladder below windowsill for rescue.
What is the desired angle of inclination?
75 degrees
What is an easy way to determine the proper distance from the heel of the ladder to the building?
Divide the working length of ladder by 4