S-290 Final Exam Questions and Answers Already Passed
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Course
S-290
Institution
S-290
S-290 Final Exam Questions and Answers Already Passed
T/F Topography can directly and indirectly affect fuels and their availability for combustion. True
Of the three primary environmental factors that influence fire behavior, which is the least variable? Topography
The least critical form of he...
S-290 Final Exam Questions and Answers Already Passed T/F Topography can directly and indirectly affect fuels and their availability for combust ion. ✔✔True Of the three primary environmental factors that influence fire behavior, which is the least variable? ✔✔Topography The least critical form of heat transfer that influences rate of spread in a running wild land fire is: ✔✔Conduction The point to which a combustible material must be heated to produce self -sustaining combustion is known as the: ✔✔Ignition temperature Fireline intensity is dependent upon: ✔✔All of the above. Fuel size Fuel moisture Fuel temperature Fuel compactness and arrangement T/F Two requirements for long range spotting are wind and a well developed convection column. ✔✔True A fire that advances through canopies of brush and trees is known as a: ✔✔Crown fire Fire is burning in litter on top of the ground, but occ asionally carries into the crowns of individual trees, which produces burning embers that start new fires outside the fire perimeter. ✔✔Surface fire with torching and spotting. Fire begins burning into the crowns and spreads through the canopy. There is a sudden increase in fireline intensity where the fire controls it's environment. At one point flames can be seen carried high into the convection column with a whirling motion. ✔✔Ground fire with smoldering and flare ups. T/F Upward moving air contracts a nd warms. ✔✔False As air sinks, it. ✔✔Increases in pressure, warms and compresses.
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