S-190 Intro to Wildland Fire Behavior Exam Questions and answers With 100% Complete Solutions
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S-190 Intro to Wildland Fire Behavior
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S-190 Intro To Wildland Fire Behavior
S-190 Intro to Wildland Fire Behavior Exam Questions and answers With 100% Complete Solutions
The precise location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred. - Point of Origin
The side of the fire having the fastest r...
S-190 Intro to Wildland Fire Behavior Exam Questions and answers With 100% Complete Solutions The precise location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred. - Point of Origin The side of the fire having the fastest rate of spread - Head of a fire The part of a fire's per imeter that is roughly parallel to the main direction of fire spread. - Flank of a fire That portion of a fire edge opposite the head. - Rear of the fire That portion of a fire spreading directly into the wind or down slope. - Rear of the fire The slowe st spreading portion of a fire edge. Also called the heel of a fire. - Rear of the fire The entire outer edge or boundary of the fire - Fire Perimeter The long narrow extensions of a fire projecting from the main body - Fingers of fire Unburned indentations in the fire edge formed by fingers or slow burning areas - Pockets of a fire Area of unburned fuel inside the fire perimeter - Island Fire ignited outside the perimeter of the main fire by fire brand - Spot fire Fire burning withou t flame and barely spreading - Smoldering Fire burning with a low flame and spreading slowly - Creeping fire Behavior of a fire spreading rapidly with a well defined head - Running fire Behavior of a fire producing sparks or embers that are carried by t he wind and which start new fires beyond the zone of direct ignition by the main fire - Spotting The burning of the foliage of a single tree or a small group of trees, from the bottom up. - Torching A fire that advances from top to top of trees shrubs mo re or less independent of a surface fire. - Crown Fires Any sudden acceleration in the rate of spread or intensification of the fire. Of relatively short duration and does not change existing control patterns. - Flare up Spinning vortex column of ascendi ng hot air and gases rising from a fire and carrying aloft smoke, debris, and flame. These range in size from less than one foot to over 500 feet in diameter. Have the intensity of a small tornado. - Firewhirl That portion of the fire with slower rates of fire spread and lower intensity, normally moving into the wind and/or down slope. - Backing fire That zone of a moving fire where combustion is primarily flaming. Is shallower in light fuels and deeper in heavy fuels - Flaming Front An advantageous loca tion, usually a barrier to fire spread, from which to start constructing a fireline. this location is used to minimize the chance of being flanked by the fire while the line is being constructed - Anchor point An inclusive term for all constructed or natural barriers and treated fire edges used to contain a fire - Control Line The part of a containment or control line that is scraped or dug to mineral soil. - Fireline
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