S-290 Final Exam Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Course
S-290
Institution
S-290
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 heat transfer that influences rate of spr...
S-290 Final Exam Questions & 100% Correct
Answers- Latest Test | Graded A+ | 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 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
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 and warms.
✓ -:- False
As air sinks, it.
✓ -:- Increases in pressure, warms and compresses.
Why do dry climates usually have lower nighttime temperatures than humid climates?
✓ -:- Because there is less water vapor in the air to absorb and reflect heat back to the
surface at night.
T/F On average the RH doubles with each 20F decrease of temperature, or halves with each
20F increase in temperature.
✓ -:- True
T/F The lowest RH occurs with the highest temperature.
3|Page | Grade A+| 2024/2025
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