NFPA 10 Study Guide Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What is the main purpose of NFPA 10?
✔✔To provide standards for the selection, installation, inspection, maintenance, and testing of
portable fire extinguishers.
What is the first step in using a portable fire extinguisher?
✔✔Pull the safety pin.
Why is it important to inspect fire extinguishers monthly?
✔✔To ensure they are present, charged, and ready for use in an emergency.
What does the PASS acronym stand for in fire extinguisher operation?
✔✔Pull, Aim, Squeeze, Sweep.
What is the purpose of the “Aim” step in the PASS method?
✔✔To direct the extinguisher nozzle at the base of the fire.
1
,How often must fire extinguishers be maintained by a certified technician?
✔✔Annually.
What is the maximum travel distance to a Class A fire extinguisher in a commercial building?
✔✔75 feet.
What is the maximum travel distance to a Class B fire extinguisher?
✔✔50 feet.
Which type of fire extinguisher is suitable for ordinary combustibles like wood, paper, and cloth?
✔✔Class A.
Which type of fire extinguisher is used for flammable liquids such as gasoline or oil?
✔✔Class B.
Which type of fire extinguisher is used for energized electrical equipment?
✔✔Class C.
2
, Which type of fire extinguisher is required for kitchen grease fires?
✔✔Class K.
What is the purpose of a safety seal on a fire extinguisher?
✔✔To indicate the extinguisher has not been tampered with or discharged.
Why is it dangerous to use a water extinguisher on a Class B or Class C fire?
✔✔Because water can spread flammable liquids or conduct electricity.
Which fire extinguisher agent leaves no residue and is safe around electronics?
✔✔Carbon dioxide (CO₂).
What is the minimum rating for portable fire extinguishers in most workplaces?
✔✔2A:10B\:C.
Why must fire extinguishers be mounted properly?
✔✔To make them accessible and visible during an emergency.
3
Answers | Latest Version | 2025/2026 |
Correct & Verified
What is the main purpose of NFPA 10?
✔✔To provide standards for the selection, installation, inspection, maintenance, and testing of
portable fire extinguishers.
What is the first step in using a portable fire extinguisher?
✔✔Pull the safety pin.
Why is it important to inspect fire extinguishers monthly?
✔✔To ensure they are present, charged, and ready for use in an emergency.
What does the PASS acronym stand for in fire extinguisher operation?
✔✔Pull, Aim, Squeeze, Sweep.
What is the purpose of the “Aim” step in the PASS method?
✔✔To direct the extinguisher nozzle at the base of the fire.
1
,How often must fire extinguishers be maintained by a certified technician?
✔✔Annually.
What is the maximum travel distance to a Class A fire extinguisher in a commercial building?
✔✔75 feet.
What is the maximum travel distance to a Class B fire extinguisher?
✔✔50 feet.
Which type of fire extinguisher is suitable for ordinary combustibles like wood, paper, and cloth?
✔✔Class A.
Which type of fire extinguisher is used for flammable liquids such as gasoline or oil?
✔✔Class B.
Which type of fire extinguisher is used for energized electrical equipment?
✔✔Class C.
2
, Which type of fire extinguisher is required for kitchen grease fires?
✔✔Class K.
What is the purpose of a safety seal on a fire extinguisher?
✔✔To indicate the extinguisher has not been tampered with or discharged.
Why is it dangerous to use a water extinguisher on a Class B or Class C fire?
✔✔Because water can spread flammable liquids or conduct electricity.
Which fire extinguisher agent leaves no residue and is safe around electronics?
✔✔Carbon dioxide (CO₂).
What is the minimum rating for portable fire extinguishers in most workplaces?
✔✔2A:10B\:C.
Why must fire extinguishers be mounted properly?
✔✔To make them accessible and visible during an emergency.
3
