Question 635 Deck Safety

The correct answer is B) removing smoke and toxic gases by ensuring adequate ventilation. The spread of fire is not prevented by removing smoke and toxic gases, as this does not directly impact the combustion process. Adequate ventilation can actually aid the spread of fire by providing more oxygen to the flames. The correct way to prevent the spread of fire is by cooling adjacent surfaces (A), removing combustibles from the endangered area (C), and shutting off the oxygen supply (D). These actions directly impact the fire triangle of heat, fuel, and oxygen, thereby containing and extinguishing the fire.