NFPA 10 EXAM VERSION 3 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ASWERS) PLUS
RATIONALES Q &A 2026 |INSTANT DOWNLOAD
PDF
1. What is the primary purpose of NFPA 10?
A. To regulate fire extinguisher manufacturing
B. To establish requirements for portable fire extinguishers
C. To provide fire department staffing guidelines
D. To enforce building construction codes
Answer: B
Rationale: NFPA 10 provides minimum requirements for the
selection, installation, inspection, maintenance, and testing of
portable fire extinguishers.
2. How often must portable fire extinguishers be inspected
visually?
A. Daily
B. Monthly
C. Annually
D. Every 5 years
Answer: B
Rationale: NFPA 10 requires monthly visual inspections to
ensure that extinguishers are in place, accessible, and operable.
,3. Which class of fire involves ordinary combustibles like wood
and paper?
A. Class A
B. Class B
C. Class C
D. Class D
Answer: A
Rationale: Class A fires involve ordinary combustibles such as
paper, wood, cloth, and some plastics.
4. What is the minimum clearance required between the top
of a mounted extinguisher and the ceiling?
A. 2 inches
B. 4 inches
C. 12 inches
D. 18 inches
Answer: B
Rationale: NFPA 10 specifies a minimum of 4 inches clearance
from the top of an extinguisher to allow proper handling.
5. Which type of fire extinguisher is suitable for flammable
liquids?
A. Water
B. Foam
,C. Dry Chemical
D. CO₂
Answer: C, D
Rationale: Class B fires involve flammable liquids; dry chemical
and CO₂ extinguishers are effective for this type.
6. How often must a hydrostatic test be performed on stored-
pressure water extinguishers?
A. Every year
B. Every 5 years
C. Every 12 years
D. Never
Answer: C
Rationale: NFPA 10 requires hydrostatic testing of stored-
pressure water extinguishers every 12 years to ensure pressure
vessel integrity.
7. Which of the following is a sign that a fire extinguisher may
need replacement?
A. Corrosion on the cylinder
B. Missing or damaged label
C. Low pressure gauge reading
D. All of the above
Answer: D
Rationale: Any of these conditions may render an extinguisher
unreliable or unsafe.
, 8. Which extinguisher type should never be used on Class C
fires?
A. Water
B. Dry Chemical
C. CO₂
D. Halon
Answer: A
Rationale: Water conducts electricity and can cause
electrocution when used on electrical (Class C) fires.
9. What does the acronym PASS stand for in fire extinguisher
operation?
A. Pull, Aim, Squeeze, Sweep
B. Push, Alert, Spray, Secure
C. Protect, Apply, Signal, Stop
D. Pull, Alert, Spray, Sweep
Answer: A
Rationale: PASS is the standardized method for operating a
portable fire extinguisher safely and effectively.
10. What is the maximum travel distance to a Class A
extinguisher in ordinary hazards?
A. 25 feet
B. 50 feet
CORRECT ANSWERS (VERIFIED ASWERS) PLUS
RATIONALES Q &A 2026 |INSTANT DOWNLOAD
1. What is the primary purpose of NFPA 10?
A. To regulate fire extinguisher manufacturing
B. To establish requirements for portable fire extinguishers
C. To provide fire department staffing guidelines
D. To enforce building construction codes
Answer: B
Rationale: NFPA 10 provides minimum requirements for the
selection, installation, inspection, maintenance, and testing of
portable fire extinguishers.
2. How often must portable fire extinguishers be inspected
visually?
A. Daily
B. Monthly
C. Annually
D. Every 5 years
Answer: B
Rationale: NFPA 10 requires monthly visual inspections to
ensure that extinguishers are in place, accessible, and operable.
,3. Which class of fire involves ordinary combustibles like wood
and paper?
A. Class A
B. Class B
C. Class C
D. Class D
Answer: A
Rationale: Class A fires involve ordinary combustibles such as
paper, wood, cloth, and some plastics.
4. What is the minimum clearance required between the top
of a mounted extinguisher and the ceiling?
A. 2 inches
B. 4 inches
C. 12 inches
D. 18 inches
Answer: B
Rationale: NFPA 10 specifies a minimum of 4 inches clearance
from the top of an extinguisher to allow proper handling.
5. Which type of fire extinguisher is suitable for flammable
liquids?
A. Water
B. Foam
,C. Dry Chemical
D. CO₂
Answer: C, D
Rationale: Class B fires involve flammable liquids; dry chemical
and CO₂ extinguishers are effective for this type.
6. How often must a hydrostatic test be performed on stored-
pressure water extinguishers?
A. Every year
B. Every 5 years
C. Every 12 years
D. Never
Answer: C
Rationale: NFPA 10 requires hydrostatic testing of stored-
pressure water extinguishers every 12 years to ensure pressure
vessel integrity.
7. Which of the following is a sign that a fire extinguisher may
need replacement?
A. Corrosion on the cylinder
B. Missing or damaged label
C. Low pressure gauge reading
D. All of the above
Answer: D
Rationale: Any of these conditions may render an extinguisher
unreliable or unsafe.
, 8. Which extinguisher type should never be used on Class C
fires?
A. Water
B. Dry Chemical
C. CO₂
D. Halon
Answer: A
Rationale: Water conducts electricity and can cause
electrocution when used on electrical (Class C) fires.
9. What does the acronym PASS stand for in fire extinguisher
operation?
A. Pull, Aim, Squeeze, Sweep
B. Push, Alert, Spray, Secure
C. Protect, Apply, Signal, Stop
D. Pull, Alert, Spray, Sweep
Answer: A
Rationale: PASS is the standardized method for operating a
portable fire extinguisher safely and effectively.
10. What is the maximum travel distance to a Class A
extinguisher in ordinary hazards?
A. 25 feet
B. 50 feet
