S-290 Intermediate Wildland Fire Behavior questions
with verified answers
A fire that advances through canopies of brush and trees is known as a Ans✓✓✓
Crown fire
A fuel model is described as Ans✓✓✓ A set of numbers that define fuel input for
use in the surface fire spread model
A ground fire has burned under a thick stand of pine reproduction. What potential
problems could occur Ans✓✓✓ A reburn possibly involving the canopies
A slope wind is caused by Ans✓✓✓ warm air rising and cold air settling
A slope wind is caused by Ans✓✓✓ Warm air rising and cold air settling
According to the hauling chart, a Fire that can generally be attacked at the head
or flanks by persons using hand tools have flame lengths that are ____________.
Ans✓✓✓ 4 feet or less.
As air sinks it Ans✓✓✓ Increases in pressure, warms and compresses
Aspect affects fuels and their availability to burn because Ans✓✓✓ Southwest
sites provide drier sites
Vegetation type and fuel moisture changes by aspect
Shading on northern aspects can increase relative humidity
ALL OF THE ABOVE
, Aspect is an important factor regarding temperature Ans✓✓✓ true
Available fuels are Ans✓✓✓ All dead and live fuels that will ignite and continue
to burn
Cloud cover has no affect on temperature Ans✓✓✓ False
Cloudiness has little affect on relative humidity and temperature Ans✓✓✓ False
Continuous fine fuels, heavy fuel loadings, ladder fuels, crown spacing, and special
fuel situations are fuel characteristics that should NOT be monitored Ans✓✓✓
False
Crown fire development depends on crown flammability along with adequate
surface to crown and crown to crown heat transfer Ans✓✓✓ True
Dry environments se larger or smaller temperature ranges than moist
environments Ans✓✓✓ larger
East, Mono, Santa Ana, and Chinook are all examples of
________________________. Ans✓✓✓ Foehn Winds
En route to a fire you notice that smoke from a burning haystack rises straight up.
What could this indicate on a wildland fire Ans✓✓✓ An unstable atmosphere
may increase fire activity
with verified answers
A fire that advances through canopies of brush and trees is known as a Ans✓✓✓
Crown fire
A fuel model is described as Ans✓✓✓ A set of numbers that define fuel input for
use in the surface fire spread model
A ground fire has burned under a thick stand of pine reproduction. What potential
problems could occur Ans✓✓✓ A reburn possibly involving the canopies
A slope wind is caused by Ans✓✓✓ warm air rising and cold air settling
A slope wind is caused by Ans✓✓✓ Warm air rising and cold air settling
According to the hauling chart, a Fire that can generally be attacked at the head
or flanks by persons using hand tools have flame lengths that are ____________.
Ans✓✓✓ 4 feet or less.
As air sinks it Ans✓✓✓ Increases in pressure, warms and compresses
Aspect affects fuels and their availability to burn because Ans✓✓✓ Southwest
sites provide drier sites
Vegetation type and fuel moisture changes by aspect
Shading on northern aspects can increase relative humidity
ALL OF THE ABOVE
, Aspect is an important factor regarding temperature Ans✓✓✓ true
Available fuels are Ans✓✓✓ All dead and live fuels that will ignite and continue
to burn
Cloud cover has no affect on temperature Ans✓✓✓ False
Cloudiness has little affect on relative humidity and temperature Ans✓✓✓ False
Continuous fine fuels, heavy fuel loadings, ladder fuels, crown spacing, and special
fuel situations are fuel characteristics that should NOT be monitored Ans✓✓✓
False
Crown fire development depends on crown flammability along with adequate
surface to crown and crown to crown heat transfer Ans✓✓✓ True
Dry environments se larger or smaller temperature ranges than moist
environments Ans✓✓✓ larger
East, Mono, Santa Ana, and Chinook are all examples of
________________________. Ans✓✓✓ Foehn Winds
En route to a fire you notice that smoke from a burning haystack rises straight up.
What could this indicate on a wildland fire Ans✓✓✓ An unstable atmosphere
may increase fire activity
