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Difficulty: MediumDealing with Vehicle Fires

When dealing with an engine compartment fire, the bonnet should be opened fully to allow direct access for extinguishing the flames.

Answer: Answer

Answer

False
The statement is false because lifting the bonnet fully allows an immediate rush of air and oxygen into the engine bay. This sudden ventilation can cause the fire to flare up violently into the face and body of the person tackling it. Official safety guidelines recommend keeping the bonnet closed and, if safe to do so, directing a fire extinguisher only through the radiator grille or beneath the slightly cracked front edge.

Step-by-Step Solution

1
Identify the primary chemical and physical hazard of opening an enclosed engine compartment during a fire
Recognised that contained engine fires are often restricted by air supply, and introducing fresh air causes rapid combustion
Fire requires oxygen to sustain and intensify combustion
2
Evaluate standard UK emergency safety procedures regarding vehicle engine fires
Determined that opening the bonnet fully is strictly advised against due to flare-up risk
Driver and passenger safety is the highest priority; extinguishing agents should only be directed through grilles or small gaps if safe

Key Concept

Engine fire containment and the hazard of oxygen-induced flare-ups from fully opening the bonnet
Estimated Time:45s
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Topics

Dealing with Vehicle Fires

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