Answers | Latest Version | 2024/2025 |
Rated A+
What is the primary purpose of ventilation in firefighting operations?
A) To cool the fire down
B) To allow smoke to escape
✔✔C) To remove heat, smoke, and toxic gases from the building
D) To make the building accessible for rescue operations
When performing vertical ventilation, what is the first action a firefighter should take?
✔✔A) Confirm the structural integrity of the roof
B) Start cutting a hole in the roof immediately
C) Use the hose to extinguish the flames
D) Ventilate all windows first
Which of the following is true regarding natural ventilation?
A) It uses mechanical equipment to push air out
B) It creates a positive pressure in the building
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,✔✔C) It relies on wind or temperature differences to move air
D) It is always more effective than mechanical ventilation
What is the purpose of the "fan technique" in ventilation?
A) To decrease oxygen in the room
✔✔B) To push hot gases and smoke out of the building
C) To add more air into the building
D) To create an area of low pressure
When performing horizontal ventilation, which opening is ideal for placing the vent?
A) The farthest corner of the building
B) Any available window
✔✔C) Opposite the fire or smoke flow
D) The nearest door to the fire
Why is it important to coordinate ventilation with fire suppression operations?
✔✔A) To prevent the fire from spreading due to air flow
B) To clear smoke for evacuation
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, C) To ensure the building is safe for firefighters
D) To speed up the ventilation process
Which type of ventilation uses fans or other powered devices to control air flow?
A) Forced ventilation
✔✔B) Mechanical ventilation
C) Natural ventilation
D) Positive pressure ventilation
What is the primary risk of improperly ventilating a fire?
A) It may increase the fire's intensity or cause flashover
✔✔B) It could allow more smoke to fill the building
C) It may slow the evacuation process
D) It could make it harder to use hoses
In positive pressure ventilation (PPV), what is used to pressurize the building?
A) Exhaust systems
✔✔B) High-powered fans
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