Ch 4-6 Flashcards
What does LCES stand for?
L-Lookouts C- Communications E- Escape routes
S- Safety Zones
In the wildland fire environment, four basic safety hazards confront the firefighter, what are they?
lightning
fire-weakened timber (widow makers)
rolling rocks
entrapment by running fires
All wildland PPE meets NFPA .
1977
the radius of the safety zone should be times the maximum flame height plus an additional feet of radius for each firefighter
4
4
Some TRA examples include:
Lee side of structure
Inside of structure
Large lawn Parking area Cab of apparatus
What are 2 ways to get the drivers attention during mobile attack?
squirt the windshield or squirt the mirror.
If two vehicles traveling in opposite directions should meet on a single lane road, the vehicle traveling in the - direction has the right of way.
uphill
A deflated tire may change the vehicle’s attitude by degrees.
3
The most important factors when evaluating the fuel sources in the area are the and of the fuels available.
moisture content, temperature
A RH of % or lower can trigger a Red Flag Warning.
20
There are three main categories of local winds; and
breezes, winds and winds.
sea and land, slope, valley
Wildland fuel groups can be divided into three broad groups, , , and fuels.
ground, surface, and aerial
1-hour timelag fuels have diameters of to inch.
10-hour timelag fuels have diameters of inch to inch.
100-hour timelag fuels have diameters between inch and inches.
1000-hour timelag fuels have diameters between and - inches.
0, 1/4
1/4,1
1,3
3,8
Flame height is measured on a axis
vertical
of is the relative activity of a fire in extending its horizontal dimensions
Rate of Spread
