S190 Exam questions with answers

S190 Exam questions with answers
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Point of Origin - CORRECT ANSWERS ✔✔The location
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where the fire started
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Head of Fire - CORRECT ANSWERS ✔✔The side of the fire
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having the fastest rate of spread- usually hottest
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Flank of a fire - CORRECT ANSWERS ✔✔The part of a fire's
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perimeter that is roughly parallel to the main direction of
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spread.


Rear of a fire or heel of fire - CORRECT ANSWERS
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✔✔Slowest spreading portion of a fire edge... spreads |\ |\ |\ |\ |\ |\ |\ |\



directly into the wind or down slope.... opposite of the
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head....


Fire perimeter - CORRECT ANSWERS ✔✔The entire outer
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edge or boundary of a wildland fire. Islands may create
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interior perimeters |\




Fingers of a fire - CORRECT ANSWERS ✔✔Extension of
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main fire - the long narrow extensions of a fire projecting
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from the main body
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,Pockets of a fire - CORRECT ANSWERS ✔✔Unburned
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indentations in the fire edge formed by fingers or slow |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



burning areas |\




Island of a fire - CORRECT ANSWERS ✔✔area of unburned
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fuel inside the fire perimeter, usually a rock outcrop or
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lake


Spot fire - CORRECT ANSWERS ✔✔Fire ignited outside the
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perimeter of the main fire by a firebrand.... embers can
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jump ahead up to 1/4 or 1/2 mile
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Smoldering - CORRECT ANSWERS ✔✔burning with little |\ |\ |\ |\ |\ |\ |\



smoke and no flame... barely spreading
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Creeping fire - CORRECT ANSWERS ✔✔Fire burning with a
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low flame and spreading slowly
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Running fire - CORRECT ANSWERS ✔✔Behavior of a fire
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spreading rapidly with a well defined head and flanks
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Spotting fire - CORRECT ANSWERS ✔✔behavior of a fire
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producing sparks or embers that are carried by the wind
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, and start new fires beyond the zone of direct ignition by
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the main fire |\ |\




Torching fire - CORRECT ANSWERS ✔✔The burning of the |\ |\ |\ |\ |\ |\ |\ |\ |\



foliage of a single tree or a small group of trees, from the
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bottom up. mostly conifers |\ |\ |\




Crown fire - CORRECT ANSWERS ✔✔Extremely hot fire
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that leaps from treetop to treetop more or less
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independent of a surface fire... sometimes classed as |\ |\ |\ |\ |\ |\ |\ |\



running or dependent to distinguish the degree of |\ |\ |\ |\ |\ |\ |\ |\



independence from the surface fire |\ |\ |\ |\




Flare up - CORRECT ANSWERS ✔✔any sudden
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acceleration in the rate of spread or intensification of the |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



fire. unlike blowup, a flare-up is of relativity short duration
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and does not change existing control plans
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Firewhirl - CORRECT ANSWERS ✔✔spinning vortex column |\ |\ |\ |\ |\ |\



of ascending hot air and gases rising from a fire and
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carrying aloft smoke, debris, and flame. fire whirls range
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in size from less than one foot to over 500 feet in
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diameter. large fire whirls have the intensity of a small |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



tornado... make own weather.... sign of unstable |\ |\ |\ |\ |\ |\ |\



atmosphere