Chapter 11: Ladders
What a firefighter should check for before raising a ladder
What is overhead obstructions?
The level of PPE that firefighters should wear during overhaul
What is full PPE with SCBA?
The limitation of backpack water vacuums
What is, they can not be worn with a SCBA
Fire hoses should be tested this often
What is annually?
The low surface tension of Class A foam affects its extinguishing properties by doing this
What is enabling water to penetrate the fuel more deeply
The location where the tip of a ladder should be placed for rescue operations from a window
What is below the windowsill?
The step that will ideally be completed before overhaul operations begin
What is after fire investigators have examined the scene
The type of light that projects a diffuse light over a wide area
What is a flood light?
The best item to aid in extinguishing a smoldering fire in tightly packed combustible materials
What is class A foam
Class B foam is used for this type of fire
What are flammable liquid fires?
Annually
A fire can not be considered fully extinguished until this is completed
What is overhaul?
The primary consideration that should be take while conducting salvage and overhaul
What is preserving evidence
This is the advantage of using compressed air foam
What is adhering to most surfaces?
What is extinguish the fire?
The amount of rungs that should be extended past the roofline
What is 5 rungs?
This tool is commonly used to improvise a water chute
What is a pike pole?
This device interrupts the current when there is a problem with an electrical ground
What is a GFI?
This type of foam is made from animal by-products
What is protein?
How foam is proportioned in most portable extinguishers
What is premixing?
The location where the top beam of a ladder should be when carried by one firefighter
Where is on the shoulder?
A threaded stem indicated the valve position on this sprinkler control valve
What is an Outside Stem and Yoke?
Operating a PIV handle is similar to operating this tool
What is a hydrant wrench?
This is added to propane to give it a distinct odor
Ethyl mercaptan
The type of foam proportioner that relies on the venturi effect
What is an eductor?