Correct Answers| Latest Update
Slope and gravity are important safety considerations because:
A. Increase slope increases the rate of spread
B. Working on slopes increases firefighters fatigue
C. Gravity causes material to roll downhill
D. All of the above
E. None of the above
D. All of the above
You should anticipate increased wind, when eddies, opposite slope spot fires, area
ignition and slope reversal when working on/in:
A. Narrow intersecting canyons
B. Saddles
C. Chimneys
D. All of the above
E. None of the above
A. Narrow intersecting canyons
,Increased rates of spread should be anticipated due to surface wind channeling
when fires cross:
A. Road
B. Rivers
C. Saddles
D. All of the above
E. None of the above
C. Saddles
Why do a very high percentage of fatal fires occur in light fuels?
A. Firefighters more complacent
B. Rate of spread can increase dramatically with wind increase
C. Rate of spread uphill came out pace firefighters
D. All of the above
E. None of the above
D. All of the above
At what relative humidity reading will fires turn actively m?
A. Above 30%
B. Below 30%
,C. At 20%
D. All of the above
E. None of the above
B. Below 30%
Below what relative humidity is fire danger critical and extreme fire behavior likely?
A. 50%
B. 35%
C. 10%
D. All of the above
E. None of the above
C. 10%
A sudden rush of Cold air downward from a collapsing thunderstorm is called:
A. Inertia
B. Downburst
C. Wind shear
D. All of the above
E. None of the above
B. Downburst
, The occurrence of multiple spot fires in an area so small they influence each other
and results in a blow-up is called?
A. Area Ignition
B. Fire whirl
C. Vortex turbulence
D. All of the above
E. None of the above
A. Area ignition
A sudden increase in intensity, long-range spotting, sustained crowning, and/or
broken inverse layers are indications of:
A. Pincer action
B. Erratic fire behavior
C. Backfiring
D. All of the above
E. None of the above
B. Erratic fire behavior
Adequate rest of firefighters is important because:
A. Tired people make mental errors
B. Tired people make physical mistakes