S 290 EXAM SCRIPT 2026 COMPLETE
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● Of the three environmental factors that influence fire behavior, which
is the least variable.
Answer: topography
●● What are the 3 Environmental Factors that influence Fire Behavior?.
Answer: 1) Weather
2) Topography
3) Fuels
●● The least critical form of heat transfer that influences rate of spread
in a running wildland fire is..
Answer: Conduction
●● The point to which a combustible material must be heated to produce
self sustaining combustion is known as the.
Answer: Ignition temperature
●● What factors primarily affect fireline intensity?.
,Answer: Fuel size
Fuel moisture
Fuel temperature
Fuel compactness and arrangement
ALL OF THE ABOVE
●● T/F
Two requirements for long range spotting are wind and a well developed
convection column..
Answer: True
●● A fire that advances through canopies of brush and trees is known as
a.
Answer: Crown fire
●● Fire is burning in litter on top of the ground, but occasionally carries
into the crowns of individual trees, which produces burning embers that
start new fires outside the fire perimeter.
Answer: Surface fire with torching and spotting
●● T/F
, Upward moving air contracts and warms.
Answer: False
●● As air sinks it.
Answer: Increases in pressure, warms and compresses
●● Foehn winds can adversely affect wildland fires because they can
produce.
Answer: Strong winds, warmer temperatures, and very low relative
humidity
●● When stable air is forced over a mountain range, and then descends
the leeward slope as dry, warmed air, it is called.
Answer: A foehn Wind (look this up)
●● T/F
Bends in canyons are likely places for eddies to form.
Answer: True
●● Local winds are best described as.
Answer: Small scale convective winds of local origin caused by
differences in heating and cooling
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● Of the three environmental factors that influence fire behavior, which
is the least variable.
Answer: topography
●● What are the 3 Environmental Factors that influence Fire Behavior?.
Answer: 1) Weather
2) Topography
3) Fuels
●● The least critical form of heat transfer that influences rate of spread
in a running wildland fire is..
Answer: Conduction
●● The point to which a combustible material must be heated to produce
self sustaining combustion is known as the.
Answer: Ignition temperature
●● What factors primarily affect fireline intensity?.
,Answer: Fuel size
Fuel moisture
Fuel temperature
Fuel compactness and arrangement
ALL OF THE ABOVE
●● T/F
Two requirements for long range spotting are wind and a well developed
convection column..
Answer: True
●● A fire that advances through canopies of brush and trees is known as
a.
Answer: Crown fire
●● Fire is burning in litter on top of the ground, but occasionally carries
into the crowns of individual trees, which produces burning embers that
start new fires outside the fire perimeter.
Answer: Surface fire with torching and spotting
●● T/F
, Upward moving air contracts and warms.
Answer: False
●● As air sinks it.
Answer: Increases in pressure, warms and compresses
●● Foehn winds can adversely affect wildland fires because they can
produce.
Answer: Strong winds, warmer temperatures, and very low relative
humidity
●● When stable air is forced over a mountain range, and then descends
the leeward slope as dry, warmed air, it is called.
Answer: A foehn Wind (look this up)
●● T/F
Bends in canyons are likely places for eddies to form.
Answer: True
●● Local winds are best described as.
Answer: Small scale convective winds of local origin caused by
differences in heating and cooling
