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Exam (elaborations)

S-190 exam questions with correct answers

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S-190 exam questions with correct answers

Institution
S190
Module
S190











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Institution
S190
Module
S190

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Uploaded on
January 3, 2026
Number of pages
44
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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S-190 exam questions with correct |\ |\ |\ |\ |\




answers

Origin - CORRECT ANSWERS ✔✔The area where the fire
|\ |\ |\ |\ |\ |\ |\ |\ |\



started. It is also the point from which the fire spreads,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



depending on the fuels present and the effects of the |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



wind slope. |\




Head - CORRECT ANSWERS ✔✔- The part of a wildland fire
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



with the greatest forward rate of spread (ROS).
|\ |\ |\ |\ |\ |\ |\ |\




- The head of the fire often burns intensely and may move
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



with alarming speed.
|\ |\ |\




Fingers - CORRECT ANSWERS ✔✔Long, narrow strips of
|\ |\ |\ |\ |\ |\ |\ |\



fire that extend from the main body of a fire.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\




They form: |\




-When a fire burns into mixed fuels; slowing in heavy fuel,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



but spreading quickly in light fuels
|\ |\ |\ |\ |\ |\




-Due to variations in terrain or wind direction
|\ |\ |\ |\ |\ |\ |\




-When the head is split by natural features such as fields,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



water, or rock outcroppings |\ |\ |\




Pocket - CORRECT ANSWERS ✔✔The unburned area
|\ |\ |\ |\ |\ |\ |\



between the main fire and any fingers. |\ |\ |\ |\ |\ |\

,Perimeter - CORRECT ANSWERS ✔✔The outer boundary- |\ |\ |\ |\ |\ |\ |\



or the distance around the outside edge. Also commonly
|\ |\ |\ |\ |\ |\ |\ |\ |\



called the fire edge. |\ |\ |\




Rear - CORRECT ANSWERS ✔✔Also known as the heel of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



the wildland fire is the end opposite of the head. The back
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



of the fire. Relatively closer to the origin of the fire.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\




Flanks - CORRECT ANSWERS ✔✔The sides of a wildland
|\ |\ |\ |\ |\ |\ |\ |\ |\



fire, roughly parallel to the main direction of fire spread.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



Flanks are identified as either left or right as you are
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



looking from the heel of a fire toward the head.
|\ |\ |\ |\ |\ |\ |\ |\ |\




Islands - CORRECT ANSWERS ✔✔Unburned areas inside
|\ |\ |\ |\ |\ |\ |\



the fire perimeter. Because they are unburned potential
|\ |\ |\ |\ |\ |\ |\ |\



fuels, patrol them frequently and check for spot fires.
|\ |\ |\ |\ |\ |\ |\ |\




Spot Fire - CORRECT ANSWERS ✔✔Fire ignited outside the
|\ |\ |\ |\ |\ |\ |\ |\



perimeter of the main fire by a firebrand.
|\ |\ |\ |\ |\ |\ |\ |\




Slopover - CORRECT ANSWERS ✔✔Fire edge that crosses |\ |\ |\ |\ |\ |\ |\ |\



a control line. Also called Breakover.
|\ |\ |\ |\ |\




Green - CORRECT ANSWERS ✔✔Area that is not burnt.
|\ |\ |\ |\ |\ |\ |\ |\

,Black - CORRECT ANSWERS ✔✔The burn area
|\ |\ |\ |\ |\ |\




Rate of Spread (ROS) - CORRECT ANSWERS ✔✔- How fast
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



the fire is moving. Measured in chains or acres per hour.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\




- 1 ft. (0.3M)/minute = 1 chain/hour
|\ |\ |\ |\ |\ |\




- 10ft.(3m)/minute = 10 chains/hour
|\ |\ |\ |\




Flaming Front - CORRECT ANSWERS ✔✔Also known as |\ |\ |\ |\ |\ |\ |\



"Fire Front" is the part of the fire within which continuous
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



flaming combustion is taking place. |\ |\ |\ |\




The leading edge of the fire perimeter.
|\ |\ |\ |\ |\ |\




Smoldering FIre - CORRECT ANSWERS ✔✔Is one that |\ |\ |\ |\ |\ |\ |\ |\



burns without flame and is barely spreading
|\ |\ |\ |\ |\ |\




Creeping Fire - CORRECT ANSWERS ✔✔Burns with a low |\ |\ |\ |\ |\ |\ |\ |\ |\



flame and spreads slowly |\ |\ |\




Running Fire - CORRECT ANSWERS ✔✔Fire spreading |\ |\ |\ |\ |\ |\ |\



rapidly with a well defined head |\ |\ |\ |\ |\




Backing Fire - CORRECT ANSWERS ✔✔Fire that moves|\ |\ |\ |\ |\ |\ |\ |\



away from the head, downhill or against the wind.
|\ |\ |\ |\ |\ |\ |\ |\

, Crowning - CORRECT ANSWERS ✔✔When the fire |\ |\ |\ |\ |\ |\ |\



advances across the tops of trees or shrubs more or less
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



independent of the surface fire |\ |\ |\ |\




Blowup - CORRECT ANSWERS ✔✔- When there is a
|\ |\ |\ |\ |\ |\ |\ |\ |\



sudden increase in ROS sufficient to prevent or rule out
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



direct control of the fire.
|\ |\ |\ |\ |\




- Fire intensity increases suddenly posing a setback to
|\ |\ |\ |\ |\ |\ |\ |\ |\



suppression plans. |\




Flare-up - CORRECT ANSWERS ✔✔Any sudden |\ |\ |\ |\ |\ |\



acceleration in the ROS or intensification of the fire. A |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



flare-up is of relativity short duration and does not
|\ |\ |\ |\ |\ |\ |\ |\ |\



radically change existing control plans. |\ |\ |\ |\




Firewhirl - CORRECT ANSWERS ✔✔Spinning vortex column
|\ |\ |\ |\ |\ |\



of ascending hot air and gases rising from a fire and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



carrying aloft smoke, debris, and flame. Fire whirls range
|\ |\ |\ |\ |\ |\ |\ |\ |\



in size from less than one foot to over 500 feet in
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



diameter. large fire whirls have the intensity of a small
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



tornado


Torching - CORRECT ANSWERS ✔✔Fire ignites the crown
|\ |\ |\ |\ |\ |\ |\ |\



of trees, then returns to the surface
|\ |\ |\ |\ |\ |\

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