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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

  1. What is the purpose of a 'red flag warning' issued by the National Weather Service?

    Answer: To alert fire agencies that critical fire weather conditions are imminent or occurring

    A red flag warning alerts land managers and fire agencies to critical combinations of low humidity, high winds, and dry fuels.

  2. Which of the following best explains why fires burn faster uphill than downhill?

    Answer: Slope pre-heats fuels above the fire through convection and radiation, steepening the flame angle

    Sloped terrain tilts flames closer to unburned fuels uphill, increasing radiant and convective pre-heating and accelerating spread rate.

  3. Which type of ignition source is responsible for the majority of human-caused wildfires in the United States?

    Answer: Campfires and debris burning

    Escaped campfires and unauthorized debris burning consistently rank among the leading human-caused wildfire ignition sources nationally.

  4. A prescribed burn prescription specifies a maximum relative humidity of 40% for ignition. If on-site RH is measured at 38%, the burn boss should:

    Answer: Postpone ignition until conditions are within prescription

    Burn prescriptions are firm limits — ignition outside prescription parameters creates unacceptable risk and violates the approved plan.

  5. What does the term 'fine fuel moisture content' directly measure?

    Answer: The percentage of water weight relative to dry weight in fine dead fuels

    Fuel moisture content is expressed as the ratio of water weight to oven-dry weight, indicating how readily fuels will ignite and burn.

  6. Which fire prevention activity is typically conducted by wildland firefighters during patrol assignments?

    Answer: Inspecting campfire rings, checking for smoking violations, and contacting recreationists

    Prevention patrols involve public contact, campfire compliance checks, and identifying potential ignition hazards before a fire starts.

  7. When burning conditions push a fire into a canyon, what specific hazard increases dramatically?

    Answer: Chimney effect that causes rapid upslope fire acceleration

    Canyons funnel air and act like chimneys, dramatically accelerating fire spread upslope and creating extremely dangerous conditions.