16 test Flashcards
Know what a 4 way valve is used for and what it is?
AKA a hydrant valve. allows you to provide water to the fire at hydrant pressure, while waiting for a second pumper to hook up and increase flow and pressure.
Know the layout of a dutchman?
Short fold in a supply hose that keeps the coupling from flipping around
What is a soft sleeve hose used for?
To connect a pumper to a pressurized water source.
Know what a combination hose is?
A type of hose lay that splits the hose bed and connects couplings. Useful for making forward lays
Know what psi a pump supplies a sprinkler system?
150 psi
Know what a reverse lay is.
A reverse lay is when the hose is brought from the engine to the hydrant
The end of the hose being closest to the cab is known as the what?
Front
Know what a defensive tactic is.
Attack from the outside of the structure
Where should you be standing when charging a supply line at a hydrant?
The firefighter should avoid standing between the hose line and the hydrant
Where is the trash line most commonly found on a pumper?
Special compartment in the front bumper
Which attack line uses hoses of different diameters?
Wyed attack line
Know what a split hose lay is.
Performed by two engine companies when hose must be laid in two different directions to establish a water supply
Know all of the hose loads(accordion, horseshoe, etc..)
Flat hose load- Hose loading method in which the hose is laid flat and stacked on top of the previous section. It can also be used with any size of hose
Horseshoe hose load- Accomplished by placing the hose on its edge and positioning it around the perimeter of the hose bed in a U-shape.
Accordion - Has the hose up on its edge and laid side to side in the hose bed
Know about a flat hose load?
Hose loading method in which the hose is laid flat and stacked on top of the previous section. It can also be used with any size of hose
Know the features of a triple hose load :
- Suited for fires in one- or two-story single family dwellings.
- Hose is folded back onto itself to reduce the overall length to one-third before loading.
3 .Used by companies with minimal personnel. - One person can clear the hose bed and deploy.
- It can be deployed and charged before entering the building.
- More difficult to load; requires practice and space.
Know the advantages/disadvantages of a forward and reverse lay
Advantage of forward lay is places the attack engine and its equipment close to the fire
Know the advantages of a accordion hose load
Can be used to carry length of hose on shoulder for high rise fires
Know advantages of horseshoe hose load
It reduces the number of sharp bends in the hose
Know the basic 3 supply hose loads
Accordion, horseshoe, flat
Know what a blitz is
This fire suppression method knocks the main body of the fire down with a large stream
What is the purpose of creating a bight on an attack line for an interior attack?
Create less friction points on an outward swinging door
Know why a combination supply line load is used.
It is capable of laying both single and dual supply lines
What is a portable monitor an example of?
Master Stream Device
Know what should be used when a vehicle has compressed gas
Handline or Unmanned Master Stream Cooled and protected just like any gas cylinder
Know what master stream device is mounted at the tip of an aerial ladder.
Ladder pipe
How should attic fires generally be treated?
Ventilation-limited