1. Which NFPA standard governs portable fire extinguishers?
A. NFPA 10 ✅
B. NFPA 25
C. NFPA 72
D. NFPA 96
Answer: A. NFPA 10 – This is the governing standard for selection,
installation, inspection, and maintenance of portable extinguishers.
2. The California regulation covering fire extinguisher servicing is found
in:
A. Title 24
B. Title 19 ✅
C. Title 22
D. Title 15
Answer: B. Title 19 – California Code of Regulations Title 19 governs
servicing and licensing for extinguishers.
3. The maximum travel distance to a Class A extinguisher is:
A. 50 ft
B. 75 ft ✅
C. 100 ft
D. 25 ft
Answer: B. 75 ft – NFPA 10 requires Class A extinguishers be within 75 ft
travel distance.
4. The maximum travel distance to a Class B extinguisher is:
A. 50 ft ✅
B. 75 ft
C. 100 ft
D. 25 ft
Answer: A. 50 ft – Flammable liquid fire risks require closer access.
,5. The maximum travel distance to a Class K extinguisher is:
A. 30 ft ✅
B. 50 ft
C. 75 ft
D. 100 ft
Answer: A. 30 ft – For commercial cooking operations.
6. Which class of extinguisher is used on energized electrical equipment?
A. Class A
B. Class B
C. Class C ✅
D. Class D
Answer: C. Class C – Designed for live electrical hazards.
7. Which color coding is commonly associated with Class D extinguishers?
A. Red
B. Yellow ✅
C. Green
D. Blue
Answer: B. Yellow – Identifies special-purpose extinguishers for combustible
metals.
8. Water-based extinguishers should never be used on which type of fire?
A. Class A
B. Class B
C. Class C ✅
D. Class D
Answer: C. Class C – Water conducts electricity, creating shock hazard.
9. A CO₂ extinguisher primarily extinguishes fire by:
A. Cooling
B. Smothering ✅
C. Chain reaction interruption
D. Fuel removal
Answer: B. Smothering – CO₂ displaces oxygen.
10. Dry chemical extinguishers interrupt the fire by:
A. Cooling
B. Smothering
C. Chain reaction interruption ✅
D. Oxygen displacement
Answer: C. Chain reaction interruption – ABC dry chemicals stop
combustion reactions.
,11. The marking “2A:10B:C” means the extinguisher is rated for:
A. Class A only
B. Class B only
C. Class A, B, C ✅
D. Class D
Answer: C. – Multi-class rating means it’s suitable for all three hazards.
12. In “2A” rating, the “2” indicates:
A. Fire size rating ✅
B. Travel distance
C. Operating time
D. Weight of extinguisher
Answer: A. Fire size rating – The number represents equivalent gallons of
water effectiveness.
13. The hydrostatic test interval for CO₂ extinguishers is:
A. 5 years
B. 10 years ✅
C. 12 years
D. 6 years
Answer: B. 10 years – Required by NFPA 10 and DOT standards.
14. The hydrostatic test interval for stored-pressure dry chemical
extinguishers is:
A. 5 years ✅
B. 6 years
C. 10 years
D. 12 years
Answer: A. 5 years – Unlike CO₂, dry chemical stored-pressure cylinders
require 5-year testing.
15. When servicing extinguishers, verification collars are used for:
A. New installation
B. Annual inspections
C. Internal maintenance ✅
D. Disposal
Answer: C. Internal maintenance – Collars are attached after teardown and
reassembly.
16. The annual inspection tag must show:
A. Owner’s name
B. Service company name
C. Technician license number
, D. All of the above ✅
Answer: D – Required details per Title 19.
17. The minimum size rating for Class K extinguishers is:
A. 1-A
B. 2-B
C. 40-B
D. 1.5 gallons ✅
Answer: D – Class K extinguishers must be at least 1.5 gallons capacity.
18. Which extinguisher should be used on a magnesium fire?
A. Water
B. Dry chemical
C. Class D powder ✅
D. CO₂
Answer: C – Combustible metals require Class D agents.
19. NFPA 10 requires fire extinguishers to be inspected at least:
A. Monthly ✅
B. Quarterly
C. Annually
D. Every 6 months
Answer: A – Monthly quick checks are required by users.
20. Annual maintenance of extinguishers must be performed by:
A. Building owner
B. Certified technician ✅
C. Fire department
D. OSHA inspector
Answer: B – Only licensed technicians may perform annual maintenance.
21. The PASS acronym stands for:
A. Pull, Aim, Squeeze, Sweep ✅
B. Push, Activate, Spray, Suppress
C. Pull, Alert, Sound, Spray
D. Pass, Alert, Squeeze, Sweep
Answer: A – Standard method for extinguisher operation.
22. Stored-pressure water extinguishers must be hydrostatically tested
every:
A. 5 years ✅
B. 6 years
C. 10 years
A. NFPA 10 ✅
B. NFPA 25
C. NFPA 72
D. NFPA 96
Answer: A. NFPA 10 – This is the governing standard for selection,
installation, inspection, and maintenance of portable extinguishers.
2. The California regulation covering fire extinguisher servicing is found
in:
A. Title 24
B. Title 19 ✅
C. Title 22
D. Title 15
Answer: B. Title 19 – California Code of Regulations Title 19 governs
servicing and licensing for extinguishers.
3. The maximum travel distance to a Class A extinguisher is:
A. 50 ft
B. 75 ft ✅
C. 100 ft
D. 25 ft
Answer: B. 75 ft – NFPA 10 requires Class A extinguishers be within 75 ft
travel distance.
4. The maximum travel distance to a Class B extinguisher is:
A. 50 ft ✅
B. 75 ft
C. 100 ft
D. 25 ft
Answer: A. 50 ft – Flammable liquid fire risks require closer access.
,5. The maximum travel distance to a Class K extinguisher is:
A. 30 ft ✅
B. 50 ft
C. 75 ft
D. 100 ft
Answer: A. 30 ft – For commercial cooking operations.
6. Which class of extinguisher is used on energized electrical equipment?
A. Class A
B. Class B
C. Class C ✅
D. Class D
Answer: C. Class C – Designed for live electrical hazards.
7. Which color coding is commonly associated with Class D extinguishers?
A. Red
B. Yellow ✅
C. Green
D. Blue
Answer: B. Yellow – Identifies special-purpose extinguishers for combustible
metals.
8. Water-based extinguishers should never be used on which type of fire?
A. Class A
B. Class B
C. Class C ✅
D. Class D
Answer: C. Class C – Water conducts electricity, creating shock hazard.
9. A CO₂ extinguisher primarily extinguishes fire by:
A. Cooling
B. Smothering ✅
C. Chain reaction interruption
D. Fuel removal
Answer: B. Smothering – CO₂ displaces oxygen.
10. Dry chemical extinguishers interrupt the fire by:
A. Cooling
B. Smothering
C. Chain reaction interruption ✅
D. Oxygen displacement
Answer: C. Chain reaction interruption – ABC dry chemicals stop
combustion reactions.
,11. The marking “2A:10B:C” means the extinguisher is rated for:
A. Class A only
B. Class B only
C. Class A, B, C ✅
D. Class D
Answer: C. – Multi-class rating means it’s suitable for all three hazards.
12. In “2A” rating, the “2” indicates:
A. Fire size rating ✅
B. Travel distance
C. Operating time
D. Weight of extinguisher
Answer: A. Fire size rating – The number represents equivalent gallons of
water effectiveness.
13. The hydrostatic test interval for CO₂ extinguishers is:
A. 5 years
B. 10 years ✅
C. 12 years
D. 6 years
Answer: B. 10 years – Required by NFPA 10 and DOT standards.
14. The hydrostatic test interval for stored-pressure dry chemical
extinguishers is:
A. 5 years ✅
B. 6 years
C. 10 years
D. 12 years
Answer: A. 5 years – Unlike CO₂, dry chemical stored-pressure cylinders
require 5-year testing.
15. When servicing extinguishers, verification collars are used for:
A. New installation
B. Annual inspections
C. Internal maintenance ✅
D. Disposal
Answer: C. Internal maintenance – Collars are attached after teardown and
reassembly.
16. The annual inspection tag must show:
A. Owner’s name
B. Service company name
C. Technician license number
, D. All of the above ✅
Answer: D – Required details per Title 19.
17. The minimum size rating for Class K extinguishers is:
A. 1-A
B. 2-B
C. 40-B
D. 1.5 gallons ✅
Answer: D – Class K extinguishers must be at least 1.5 gallons capacity.
18. Which extinguisher should be used on a magnesium fire?
A. Water
B. Dry chemical
C. Class D powder ✅
D. CO₂
Answer: C – Combustible metals require Class D agents.
19. NFPA 10 requires fire extinguishers to be inspected at least:
A. Monthly ✅
B. Quarterly
C. Annually
D. Every 6 months
Answer: A – Monthly quick checks are required by users.
20. Annual maintenance of extinguishers must be performed by:
A. Building owner
B. Certified technician ✅
C. Fire department
D. OSHA inspector
Answer: B – Only licensed technicians may perform annual maintenance.
21. The PASS acronym stands for:
A. Pull, Aim, Squeeze, Sweep ✅
B. Push, Activate, Spray, Suppress
C. Pull, Alert, Sound, Spray
D. Pass, Alert, Squeeze, Sweep
Answer: A – Standard method for extinguisher operation.
22. Stored-pressure water extinguishers must be hydrostatically tested
every:
A. 5 years ✅
B. 6 years
C. 10 years
