F04 Building Fire Safety 2 — Questions and Answers
Question 1: What is the minimum width required for a means of egress corridor in a place of assembly under the NYC Fire Code?
- 24 inches
- 36 inches
- 44 inches (Correct answer)
- 60 inches
Correct answer: 44 inches
Egress corridors in places of assembly must be at least 44 inches wide to allow safe passage during an emergency.
Question 2: A Fireguard notices a fire door in a stairwell is propped open with a wooden wedge. What is the correct action?
- Leave it open to improve ventilation
- Remove the wedge and allow the door to self-close (Correct answer)
- Report it to management and wait for instructions
- Close it only if smoke is visible
Correct answer: Remove the wedge and allow the door to self-close
Fire doors must never be propped open; the Fireguard must immediately remove the obstruction and allow the door to self-close.
Question 3: Which type of extinguisher is recommended for a fire in electrical switchgear?
- Class A water extinguisher
- Class B foam extinguisher
- Class C CO2 extinguisher (Correct answer)
- Class D dry powder extinguisher
Correct answer: Class C CO2 extinguisher
Class C extinguishers use non-conductive agents like CO2 or dry chemical and are rated safe for energized electrical equipment.
Question 4: Under FDNY regulations, how often must a Fireguard conduct tours of the premises during a fire watch?
- Once every 4 hours
- Once per shift
- At least once per hour (Correct answer)
- Continuously without stopping
Correct answer: At least once per hour
FDNY regulations require the Fireguard to conduct patrol tours of the entire premises at least once every hour during a fire watch.
Question 5: What does the term 'rated assembly' mean in fire protection?
- A group of occupants trained in fire evacuation
- A combination of building components tested as a unit for fire resistance (Correct answer)
- The maximum number of people allowed on a floor
- A certified fire safety team
Correct answer: A combination of building components tested as a unit for fire resistance
A rated assembly is a combination of building components (walls, floors, doors) tested together and assigned a fire-resistance rating in hours.
Question 6: What is the primary purpose of a smoke barrier in a high-rise building?
- To prevent smoke from moving between compartments horizontally (Correct answer)
- To speed up evacuation by directing occupants
- To replace the need for sprinklers on that floor
- To support structural loads during a fire
Correct answer: To prevent smoke from moving between compartments horizontally
Smoke barriers are horizontal separations designed to limit the movement of smoke between compartments, protecting refuge areas.
Question 7: A building's sprinkler system activates. What is the Fireguard's first action?
- Reset the system immediately to prevent water damage
- Call building maintenance before notifying FDNY
- Call 911 to notify the FDNY (Correct answer)
- Evacuate only the floor where activation occurred
Correct answer: Call 911 to notify the FDNY
Upon any automatic sprinkler activation, the Fireguard must immediately call 911 to notify the FDNY, as this indicates a potential fire.
F04 Building Fire Safety 2
What is the minimum width required for a means of egress corridor in a place of assembly under the NYC Fire Code?