Pumps
What do all pumps we operate have in order to start it cold?
Choke
What is a Christmas tree?
In-line T, Check valve, Gated wye
The process of removing fuels and dirt to mineral soil to stop the spread of fire?
Control line
Top of the page is normally oriented to what cardinal direction?
North
What 3 things make the wildland fire behavior triangle?
Fuels, Topography, Weather
Small and compact, great for volume but not pressure?
Volume pump (Honda WX15)
What 2 functions does the bypass serve?
Recirculates water through the pump head and allows for pressure release
Mobile attack aka?
Pump and roll
What is the perimeter of a section?
4 miles
Fire burns fastest in these fuels?
Light flashy fuels (1hr fuels)
Fuel mix ratio for the Mark III?
16:1
Setting up a pump to pump directly to a secondary pump, then to the line or to another pump is called?
Series pumping
Assessing structures for defensibilty?
Structure triage
Tight contour lines means?
Steep
Fire moving against the wind and or downhill?
Backing fire
How many PSI is required to move water 2ft vertically?
1PSI
What is stage pumping?
Setting up a pump to fill up a reservoir followed by a secondary pump that can pump to the line or another reservoir
Requires a TFLD or ICT4 clearanc?
Downhill construction
What does declination account for?
The offset between magnetic and true north?
What has the most influence in fire behavior?
Weather
_________ will affect the performance of the pump?
Elavation. Approx. 3% power reduction per 1000’
Will get 1/4 of the friction loss compared to a single hose lay?
Parallel hose lay
What is the coyote tactic?
Slope can be represented in two different ways?
Percent and degrees
What are the six main fuel types?
Grass, brush, grass/brush, timber/understory, timber litter, slash/blowdown