F02 Cheat Sheet 2026

The 30 highest-yield F02 facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the minimum age requirement to obtain an F-02 Certificate of Fitness in NYC? → 18 years old
2. Which extinguisher is recommended for a server room fire? → CO2 or clean agent
3. What is the 'fire triangle' composed of? → Fuel, oxygen, and heat
4. Under NYC regulations, who can serve as an F-02 Fire Guard? → Any person holding a valid F-02 Certificate of Fitness
5. If a fire guard discovers that an exit stairwell door is locked from the inside during a patrol, what should they do? → Immediately unlock the door and report it in the fire watch log
6. What is the minimum width required for a means of egress corridor in NYC? → 44 inches
7. An F-02 Fire Guard discovers a blocked fire exit during patrol. What action should they take? → Immediately clear the obstruction and report the violation
8. What is the Fire Siamese connection used for in a standpipe system? → To allow the fire department to boost water pressure into the system from outside
9. A water-type fire extinguisher must NEVER be used on which type of fire? → Electrical panel fire
10. What should an F-02 Fire Guard do first upon discovering a fire? → Activate the nearest fire alarm pull station and call 911
11. How many hours of fire watch coverage must be maintained during a sprinkler impairment? → 24 hours per day
12. What is the correct procedure when a fire guard observes a suspicious odor (such as gas or burning) but sees no visible fire? → Evacuate the area, notify the fire department, and do not use electrical switches
13. Which extinguisher type leaves a corrosive residue that can damage sensitive electronic equipment? → Dry chemical powder
14. What is the main advantage of a wet pipe sprinkler system? → It is the simplest and most reliable type with the fastest response time
15. What does a tamper switch on a sprinkler control valve do? → Sends an alarm signal when the valve is closed or partially closed
16. What is the minimum number of portable extinguishers required in a building area according to NFPA 10 travel distance rules for Class A hazards? → Units must be within 75 feet travel distance of any point
17. What information must be entered in the fire watch log after each patrol? → The time of patrol, floors covered, and any hazards or unusual conditions observed
18. What is the minimum clearance required between stored materials and sprinkler deflectors? → 18 inches
19. During a fire incident, a Fire Guard's role regarding the standpipe system is to: → Guide firefighters to hose cabinet locations and keep access clear
20. How often must an F-02 Fire Guard patrol the affected area during a fire watch? → Every 15 minutes
21. During patrol, an F-02 guard finds a portable heater placed near stacked cardboard boxes. What is the correct action? → Turn off the heater and report the hazard immediately
22. How often must portable fire extinguishers in NYC be inspected by a qualified person? → Annually
23. What hazard does a hot work permit address? → Operations involving open flames, sparks, or heat near combustible materials
24. Which NYC Fire Code section primarily governs fire watch requirements? → FC 901
25. What is stairwell pressurization designed to prevent? → Smoke infiltration into stairwells during a fire
26. Which of the following is an acceptable reason to discontinue a fire watch before the system is restored? → There is no acceptable reason; the watch must be continuous
27. What is a fire damper used for in a building's HVAC system? → Preventing the spread of fire and smoke through ductwork
28. Which FDNY form is used to log fire watch activities? → F-02 Fire Watch Log
29. What temperature rating do most standard sprinkler heads activate at? → 135-165°F
30. A fire guard must maintain a fire watch log on-site for a minimum of how long after the watch ends? → 1 year