Fire Prevention & Protection Flashcards
7 cards from real RED CARD practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Fire Prevention & Protection flashcards as text
Which condition creates the highest risk of spotting during a wildland fire?
Answer: Low humidity, fine fuels, and strong erratic winds
Low humidity dries fine fuels, strong erratic winds carry embers long distances, dramatically increasing spot fire risk.
A 'defensible space' around a structure primarily serves to:
Answer: Reduce fuel continuity so fire cannot easily reach the building
Defensible space reduces or removes fuels around structures so fire intensity is lowered before reaching the building.
During a prescribed burn, what is the primary purpose of holding forces?
Answer: Preventing the fire from escaping the designated burn area
Holding forces patrol the fire perimeter and suppress any escapes to keep the prescribed fire within the planned area.
Which class of fire extinguisher is rated for use on ordinary combustibles like wood and grass?
Answer: Class A
Class A extinguishers are designed for ordinary solid combustibles such as wood, paper, and dry vegetation.
A fire that burns through the crowns of trees continuously is called a:
Answer: Crown fire
A crown fire spreads through the upper canopy layer continuously and is independent of surface fire spread.
What fuels condition is described as having a 1-hour timelag?
Answer: Dead woody material 0 to 0.25 inch in diameter
1-hour timelag fuels are fine dead materials up to 0.25 inch diameter that respond rapidly to atmospheric moisture changes.
Which action should a firefighter take FIRST upon discovering an unexpected fire start near the crew's work area?
Answer: Notify the supervisor and request additional resources before engaging
Notification ensures additional resources and support are requested while the supervisor coordinates the response.