S-290 Intermediate Wildland Fire Behavior Frequently Tested Actual Exam Questions And Answers

S-290 INTERMEDIATE WILDLAND FIRE BEHAVIOR FREQUENTLY
TESTED ACTUAL EXAM QUESTIONS AND ANSWERS

Question 1.
T/F Topography can directly and indirectly affect fuels and their availability for combustion

Correct Answer: True


Question 2.
Of the three environmental factors that influence fire behavior, which is the least variable

Correct Answer: topography


Question 3.
What are the 3 Environmental Factors that influence Fire Behavior?

Correct Answer: 1) Weather 2) Topography 3) Fuels


Question 4.
The least critical form of heat transfer that influences rate of spread in a running wildland
fire is.

Correct Answer: Conduction


Question 5.
The point to which a combustible material must be heated to produce self sustaining
combustion is known as the

Correct Answer: Ignition temperature


Question 6.
What factors primarily affect fireline intensity?

Correct Answer: Fuel size Fuel moisture Fuel temperature Fuel compactness and
arrangement ALL OF THE ABOVE


Question 7.
T/F Two requirements for long range spotting are wind and a well developed convection
column.

Correct Answer: True


Question 8.
A fire that advances brush and trees is

, Correct Answer: through canopies of Crown fire known as a


Question 9.
Fire is burning in litter on top of the ground, but occasionally carries into the crowns of
individual trees, which produces burning embers that start new fires outside the fire
perimeter

Correct Answer: Surface fire with torching and spotting


Question 10.
T/F Upward moving air contracts and warms

Correct Answer: False


Question 11.
As air sinks it

Correct Answer: Increases in pressure, warms and compresses


Question 12.
Foehn winds can adversely affect wild-land fires because they can produce

Correct Answer: Strong winds, warmer temperatures, and very low relative
humidity


Question 13.
When stable air is range, and then descends slope as dry, warmed

Correct Answer: forced over a mountain A foehn Wind (look this up) the leeward
air, it is called


Question 14.
T/F Bends in canyons are likely places for eddies to form

Correct Answer: True


Question 15.
Local winds are best described as

Correct Answer: Small scale convective winds of local origin caused by
differences in heating and cooling