Yukon Class 7 Knowledge Test — Class 7 Practice Question
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Accuracy —
Emergency Situations
Smoke/flames from Yukon engine:
Show Answer & Explanation
Correct Answer: B. Pull off, engine off, evacuate, 911 — don't fully open hood
Opening hood feeds oxygen; flashover risk.
Why the other answers are wrong
- A.Open hood immediatelyFull hood opening admits oxygen.
- C.Drive fasterWind doesn't extinguish; speed feeds fire.
- D.Water through ventsWater through vents shorts electrical.