S-290 final exam Question and
answers verified to pass 2025/2026
1. List three methods of mass transport CONVECTION, WIND, GRAVITY
of fire- brands on wildland fires.
2. In an unstable atmosphere: A and B
3. Describe how convection influences transport A CONVECTION COLUMN CAN
LIFT FIRE-
of firebrands. BRANDS ABOVE THE FIRE, WHERE THE
WIND CAN CARRY IT AHEAD OF THE
FIRE
4. The primary factors that affect rate of
spread are: Changes in fuel type, wind speed, and
steepness of slope.
5. Which of the following changes would
be ex- slope reversal with a 6 mph wind
pected to produce the largest change in ROS? blowing at one slope
6. The four fuel factors that affect the ignition of Size and shape of fuels,
compactness or
wildland fires are: arrangement of fuels, fuel moisture, and fuel
temperature.
7. Define fuel moisture content. FUEL MOISTURE CONTENT IS
THE AMOUNT OF WATER IN A
FUEL, EX- PRESSED AS A
PERCENT OF THE OVEN DRY
WEIGHT OF THAT FUEL
8. The Fire Weather Planning Forecasts, state- ments are
Spot Forecasts, Red Flag Warnings, correct regarding
and Smoke Management Forecasts wind driven and
are products issued by: plume dominated
fires.
9. Which one or more of the following
1/
16
,The National Weather Service
Wind driven fires are easier to
predict the direction of spread.
10.
2/
16
, S-290 final exam
Study online at https://quizlet.com/_ehbrwd
List three methods used in the field to THE STICK METHOD, A CLINOMETER,
deter- mine slope percent. AND A GPS
11. Upslope winds are typically weakest on
North
what aspect?
12. The three stages of crown fire Passive, active, and independent
development include:
13. Slope affects fuel availability to burn because: A and B.
14. Describe the difference between Fuel A FUEL MODEL IS A SIMPLIFIED
Group and Fuel Model. MATH- MATICAL REPRESENTATION
OF FUELS IN THE REAL WORLD. A
FUEL GROUP IS
A GROUPING OF FUEL MODELS
THAT SHARE SIMILAR
CHARACTERISTICS
15. Which of the following topographic variations Time of day, month of year, dry
bulb
in wind speed would you expect on a temperature, relative humidity, aspect,
sunny summer afternoon? percent slope, shading of surface
fuels.
16. Inputs used to determine fine dead fuel mois- Time of day, month of year,
dry bulb
ture content are: temperature, relative humidity, aspect,
percent slope, shading of surface
fuels.
17. General winds are: Large-scale winds caused by the
pres- sure gradients associated
with highs and lows
3/
16
answers verified to pass 2025/2026
1. List three methods of mass transport CONVECTION, WIND, GRAVITY
of fire- brands on wildland fires.
2. In an unstable atmosphere: A and B
3. Describe how convection influences transport A CONVECTION COLUMN CAN
LIFT FIRE-
of firebrands. BRANDS ABOVE THE FIRE, WHERE THE
WIND CAN CARRY IT AHEAD OF THE
FIRE
4. The primary factors that affect rate of
spread are: Changes in fuel type, wind speed, and
steepness of slope.
5. Which of the following changes would
be ex- slope reversal with a 6 mph wind
pected to produce the largest change in ROS? blowing at one slope
6. The four fuel factors that affect the ignition of Size and shape of fuels,
compactness or
wildland fires are: arrangement of fuels, fuel moisture, and fuel
temperature.
7. Define fuel moisture content. FUEL MOISTURE CONTENT IS
THE AMOUNT OF WATER IN A
FUEL, EX- PRESSED AS A
PERCENT OF THE OVEN DRY
WEIGHT OF THAT FUEL
8. The Fire Weather Planning Forecasts, state- ments are
Spot Forecasts, Red Flag Warnings, correct regarding
and Smoke Management Forecasts wind driven and
are products issued by: plume dominated
fires.
9. Which one or more of the following
1/
16
,The National Weather Service
Wind driven fires are easier to
predict the direction of spread.
10.
2/
16
, S-290 final exam
Study online at https://quizlet.com/_ehbrwd
List three methods used in the field to THE STICK METHOD, A CLINOMETER,
deter- mine slope percent. AND A GPS
11. Upslope winds are typically weakest on
North
what aspect?
12. The three stages of crown fire Passive, active, and independent
development include:
13. Slope affects fuel availability to burn because: A and B.
14. Describe the difference between Fuel A FUEL MODEL IS A SIMPLIFIED
Group and Fuel Model. MATH- MATICAL REPRESENTATION
OF FUELS IN THE REAL WORLD. A
FUEL GROUP IS
A GROUPING OF FUEL MODELS
THAT SHARE SIMILAR
CHARACTERISTICS
15. Which of the following topographic variations Time of day, month of year, dry
bulb
in wind speed would you expect on a temperature, relative humidity, aspect,
sunny summer afternoon? percent slope, shading of surface
fuels.
16. Inputs used to determine fine dead fuel mois- Time of day, month of year,
dry bulb
ture content are: temperature, relative humidity, aspect,
percent slope, shading of surface
fuels.
17. General winds are: Large-scale winds caused by the
pres- sure gradients associated
with highs and lows
3/
16
