FDNY W96 Full Service Shop of Portable Fire Extinguishers
Certificate of Fitness Exam COMPLETE QUESTIONS AND
DETAILED SOLUTIONS LATEST UPDATE THIS YEAR-JUST
RELEASED
Summarized Exam Coverage – FDNY W96 Certificate
The W-96 Certificate of Fitness is required to sell, lease, and/or service portable fire extinguishers (PFEs)
in New York City . The certificate holder works in an FDNY-approved full-service shop that performs
inspection, testing, recharging, and repair .
Key Coverage Areas:
1. Regulatory Framework – NYC Fire Code, NFPA 10 (portable fire extinguishers), NFPA 51B (fire
prevention during maintenance), ANSI/UL standards, and 3 RCNY §115-02.
2. Certificate & Permit Requirements – W96 vs. S96 (sales-only vs. full service); company
certificate; application process; employment requirement; renewal ($5 annual) .
3. Fire Classifications (A, B, C, D, K) – Appropriate extinguisher types and agents.
4. Inspection & Maintenance – Monthly visual inspections; annual maintenance; 6-year internal
maintenance (stored-pressure dry chemical); hydrostatic testing intervals and procedures;
service tags and QR codes .
5. Recharging & Repairs – Correct recharge agents; O-ring replacement; depressurization before
service; safe handling of dry chemical powder.
6. Fire Extinguisher Components – Pressure gauges, nozzles, valves, cylinders, hose O-rings.
7. Storage, Handling & Safety – 10-foot clearance from open flames; proper storage upright in dry
area .
8. Recordkeeping & Tagging – 4-year retention of service records; service tags with COF number,
company name, date, and technician signature .
9. Prohibited Practices – Selling counterfeit extinguishers; unlicensed sales of extinguishers over 5
lbs; unapproved agents.
1. The FDNY W96 Certificate of Fitness authorizes an individual to perform which of the following tasks
in an FDNY-approved facility?
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A) Install fire alarm control panels
B) Inspect, test, recharge, and repair portable fire extinguishers
C) Design automatic sprinkler systems for high-rise buildings
D) Conduct annual inspections of kitchen hood suppression systems
Answer: B – The W96 certification covers inspection, maintenance, and recharging of portable fire
extinguishers at an FDNY-approved full-service facility .
2. A technician has just finished recharging a dry chemical extinguisher. What specific documentation
must be attached to the extinguisher before it is returned to the customer?
A) A yellow warranty card from the manufacturer
B) A green NFPA 704 diamond label
C) A service tag with the date, type of work, technician’s COF number, and company name
D) A barcode for inventory tracking only
Answer: C – FDNY requires service tags to display the date of service, technician's signature or COF
number, company name, and type of work performed .
3. According to NYC Fire Code and NFPA 10, what is the maximum distance a technician must maintain
between portable fire extinguisher service work and any open flame or spark-producing activity?
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A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: B – A 10-foot clearance is required to prevent ignition of discharged vapors or residual agents
during service .
4. A customer brings in a fire extinguisher that has a pressure gauge needle in the green zone. After
recharging and testing, the gauge remains in the green zone. What does the green zone indicate about
the internal pressure?
A) The extinguisher is over-pressurized and dangerous to handle
B) The extinguisher is properly charged and ready for use
C) The extinguisher has lost its chemical agent and needs refilling
D) The extinguisher has been exposed to extreme heat and is unsafe
Answer: B – The green zone indicates the extinguisher is correctly pressurized and functional; the red
zone indicates over- or under-pressurization .
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5. Under FDNY regulations, how often must a portable fire extinguisher undergo a complete internal
maintenance and inspection in a full-service shop?
A) Monthly
B) Annually
C) Every two years
D) Every five years
Answer: B – NFPA 10 and FDNY regulations require annual maintenance or after any use or discharge .
6. A technician in a W96 shop is about to service a pressurized water extinguisher. What safety
procedure must be performed before any disassembly begins?
A) Weigh the extinguisher to verify the agent weight
B) Discharge or depressurize the extinguisher completely
C) Remove the label and send it to the manufacturer
D) Shake the extinguisher vigorously to loosen the powder
Answer: B – Depressurizing ensures safety and prevents accidental discharge during maintenance .
7. A Class K fire extinguisher is specifically designed to combat fires involving what type of fuel?
A) Wood, paper, and cloth