Fire Extinguishers Practice Exam

FDNY W96 Full Service Shop of Portable Fire Extinguishers Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

Q1. What is the primary purpose of a Full-Service Shop under the W96 certification?

• To sell fire extinguishers
• To perform complete servicing, recharging, and hydrostatic testing
• To install sprinkler systems
• To train building occupants

Rationale: Full-service shops are authorized to inspect, recharge, test, and

fully service portable extinguishers.

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Q2. How often must a portable fire extinguisher receive a general maintenance check?

• Every 6 months
• Annually
• Every 2 years
• Every 5 years

Rationale: NFPA 10 and FDNY require annual maintenance for all portable

extinguishers.

Q3. Which document must a Full-Service Shop maintain for each extinguisher serviced?

• Purchase receipt
• Customer photo ID
• Service record with tag details
• FDNY permit application

Rationale: Service records and tags are required for all maintenance

activities.

Q4. What color must the tamper seal typically be for a properly serviced extinguisher?

• Green
• Any color as long as it is durable and consistent 2 / 4

• Black
• Blue

Rationale: NFPA 10 does not mandate a specific color; consistency and

durability are required.

Q5. What is the minimum pressure test for a CO₂ extinguisher cylinder?

• 500 psi
• 1,000 psi
• 3,000 psi
• 5,000 psi

Rationale: CO₂ cylinders require hydrostatic testing at 5/3 their service

pressure, usually around 3,000 psi.

Q6. Which type of extinguisher requires a 12-year hydrostatic test?

A. CO₂

• Cartridge-operated
• Stored-pressure dry chemical
• Halon 1211

Rationale: Dry chemical extinguishers typically require 12-year hydrostatic

testing.

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Q7. What must be done before hydrostatic testing any extinguisher cylinder?

• Freezing the cylinder
• Punching a hole in it
• Shaking it vigorously
• Completely discharging and depressurizing it

Rationale: Cylinders must be depressurized to ensure safe testing.

Q8. If an extinguisher fails hydrostatic testing, what must be done?

• Retest it
• Refill it
• Remove it permanently from service
• Lower the pressure

Rationale: Failed cylinders must be condemned and removed from service.

Q9. The year of hydrostatic testing must be:

• Written on a sticker
• Stamped into a metal test collar or permanently marked
• Emailed to the owner
• Listed verbally

Rationale: Permanent marking is required to verify test compliance.

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