S-290 LATEST UPDATED 2025/2026 exam
with 100% correct answers 100% GRADED
AT A+
1 .Name the 5 weather factors that effect fire behavior. (WARPT) -
ANSWER ✔Windspeed and direction
Atmospheric stability
Relative Humidity
Precipitation
Temperature
2. List three forms of mass transport of firebrands on wildland fires -
ANSWER ✔1. Convection
2. Wind
3. Gravity
3. Give 3 examples of fire brands affected by gravity - ANSWER ✔1.
pine cones
2. yuccas
3. logs
4. Three requirements for long range spotting - ANSWER ✔1. Strong
convective influence to create fire brands
2. High winds to spread the fire brands
3. A receptive fuel bed
5. Define Flamelength - ANSWER ✔The distant measured from the tip
of the flame to the middle of the flaming zone at base of fire.
,6. Name the 5 topographic factors that affect fire behavior - ANSWER
✔Elevation
Position on slope
Aspect
Shape of the country
Steepness of slope
7. Name the 7 fuel factors that effect fire behavior - ANSWER ✔Fuel
loading
Size and shape
Compactness
Horizontal continuity
Vertical continuity
Chemical content
Fuel moisture and Fuel temperature
8. Which of the three components of fire enviornment, changes most
rapidly over time and space? - ANSWER ✔Weather
9. Which of the three components of the fire enviornment is the least
variable? - ANSWER ✔Topography
10. Which fuel characteristics vary rapidly over time and space? -
ANSWER ✔Fuel moisture and Fuel temperature
11. The form of heat transfer that has the most influence on the rate of
spread in a ground fire is... - ANSWER ✔Conduction
12. These fires are difficult to extinguish and have smoldering or
creeping fire behavior - ANSWER ✔Ground Fires
13. What form of heat transfer has the most influence on rate of spread
in a backing fire? - ANSWER ✔Radiation
, 14. 3 ways convection energy can spread a fire - ANSWER ✔1. Cause
spot fires
2. Preheat fuels through air and increased direct flame contact
3. Increase the amount of oxygen introduced on a fire
15. What form of heat transfer has the most influence on tree limbs -
ANSWER ✔Convection
16. Where do fire behavior predictions describe the average flame
length? - ANSWER ✔Head of the fire/flamefront
17. Flame length is a visual indicator of - ANSWER ✔Fireline
intensity/ BTU per foot per second
18. 6 Primary fuel factors that affect ignition of a wildland fire -
ANSWER ✔1. moisture
2. size and
3. shape
4. arrangement
5. compactness
6. temperature
19. BTU per foot per second, rate of energy release, indicated by flame
length, and represents the ead output at the flame front is.... - ANSWER
✔Fireline Inensity
20. A chain is - ANSWER ✔66 feet
21. 1 Mile equals how many chains - ANSWER ✔80 chains
22. How many square chains in an acre - ANSWER ✔10 sq. chains
with 100% correct answers 100% GRADED
AT A+
1 .Name the 5 weather factors that effect fire behavior. (WARPT) -
ANSWER ✔Windspeed and direction
Atmospheric stability
Relative Humidity
Precipitation
Temperature
2. List three forms of mass transport of firebrands on wildland fires -
ANSWER ✔1. Convection
2. Wind
3. Gravity
3. Give 3 examples of fire brands affected by gravity - ANSWER ✔1.
pine cones
2. yuccas
3. logs
4. Three requirements for long range spotting - ANSWER ✔1. Strong
convective influence to create fire brands
2. High winds to spread the fire brands
3. A receptive fuel bed
5. Define Flamelength - ANSWER ✔The distant measured from the tip
of the flame to the middle of the flaming zone at base of fire.
,6. Name the 5 topographic factors that affect fire behavior - ANSWER
✔Elevation
Position on slope
Aspect
Shape of the country
Steepness of slope
7. Name the 7 fuel factors that effect fire behavior - ANSWER ✔Fuel
loading
Size and shape
Compactness
Horizontal continuity
Vertical continuity
Chemical content
Fuel moisture and Fuel temperature
8. Which of the three components of fire enviornment, changes most
rapidly over time and space? - ANSWER ✔Weather
9. Which of the three components of the fire enviornment is the least
variable? - ANSWER ✔Topography
10. Which fuel characteristics vary rapidly over time and space? -
ANSWER ✔Fuel moisture and Fuel temperature
11. The form of heat transfer that has the most influence on the rate of
spread in a ground fire is... - ANSWER ✔Conduction
12. These fires are difficult to extinguish and have smoldering or
creeping fire behavior - ANSWER ✔Ground Fires
13. What form of heat transfer has the most influence on rate of spread
in a backing fire? - ANSWER ✔Radiation
, 14. 3 ways convection energy can spread a fire - ANSWER ✔1. Cause
spot fires
2. Preheat fuels through air and increased direct flame contact
3. Increase the amount of oxygen introduced on a fire
15. What form of heat transfer has the most influence on tree limbs -
ANSWER ✔Convection
16. Where do fire behavior predictions describe the average flame
length? - ANSWER ✔Head of the fire/flamefront
17. Flame length is a visual indicator of - ANSWER ✔Fireline
intensity/ BTU per foot per second
18. 6 Primary fuel factors that affect ignition of a wildland fire -
ANSWER ✔1. moisture
2. size and
3. shape
4. arrangement
5. compactness
6. temperature
19. BTU per foot per second, rate of energy release, indicated by flame
length, and represents the ead output at the flame front is.... - ANSWER
✔Fireline Inensity
20. A chain is - ANSWER ✔66 feet
21. 1 Mile equals how many chains - ANSWER ✔80 chains
22. How many square chains in an acre - ANSWER ✔10 sq. chains
