Practice question

What is the correct operational technique when using a standard commercial vehicle dry powder fire extinguisher (ABC-Pulverlöscher) to fight an incipient truck engine fire?

  1. Approach the fire with the wind at your back (windwärts), open the engine hood only slightly to avoid feeding oxygen, discharge the extinguisher in short, targeted bursts aiming directly at the base of the flames from front-to-back and bottom-to-top
  2. Stand downwind so the smoke blows directly into your face
  3. Discharge the entire extinguisher into the air above the vehicle
  4. Swing open the engine hood fully and spray continuously at the top of the flames

Answer: A — Approach the fire with the wind at your back (windwärts), open the engine hood only slightly to avoid feeding oxygen, discharge the extinguisher in short, targeted bursts aiming directly at the base of the flames from front-to-back and bottom-to-top

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