NFPA 10 Portable Fire Extinguishers
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the main purpose of a portable fire extinguisher?
✔✔To suppress or extinguish small fires before they spread.
How often should portable fire extinguishers be visually inspected?
✔✔At least once a month.
Who is responsible for inspecting portable fire extinguishers in a facility?
✔✔The building’s trained personnel or designated staff.
What is the PASS method for using a fire extinguisher?
✔✔Pull the pin, Aim at the base, Squeeze the handle, Sweep side to side.
Why is it important to aim at the base of the fire when using an extinguisher?
✔✔Because it targets the fuel source rather than the flames.
1
,Which class of fire extinguisher is used for ordinary combustibles like wood and paper?
✔✔Class A.
Which class of fire extinguisher is used for flammable liquids like gasoline or oil?
✔✔Class B.
Which class of fire extinguisher is used for electrical fires?
✔✔Class C.
Which class of fire extinguisher is used for combustible metals?
✔✔Class D.
Which class of fire extinguisher is used for cooking oils and fats?
✔✔Class K.
What does the pressure gauge on a fire extinguisher indicate?
✔✔Whether the extinguisher is charged and ready for use.
2
, What is the minimum required pressure for stored-pressure water extinguishers?
✔✔Within the green zone of the pressure gauge.
Why should a fire extinguisher never be blocked or obstructed?
✔✔It must be readily accessible in an emergency.
How should a fire extinguisher be mounted in a facility?
✔✔Securely, with the handle 3.5 to 5 feet above the floor depending on weight.
What is the maximum travel distance to reach a Class A fire extinguisher in most facilities?
✔✔75 feet.
What is the maximum travel distance to reach a Class B fire extinguisher?
✔✔50 feet.
What is the purpose of a safety seal on a fire extinguisher?
✔✔To indicate that it has not been used or tampered with.
3
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the main purpose of a portable fire extinguisher?
✔✔To suppress or extinguish small fires before they spread.
How often should portable fire extinguishers be visually inspected?
✔✔At least once a month.
Who is responsible for inspecting portable fire extinguishers in a facility?
✔✔The building’s trained personnel or designated staff.
What is the PASS method for using a fire extinguisher?
✔✔Pull the pin, Aim at the base, Squeeze the handle, Sweep side to side.
Why is it important to aim at the base of the fire when using an extinguisher?
✔✔Because it targets the fuel source rather than the flames.
1
,Which class of fire extinguisher is used for ordinary combustibles like wood and paper?
✔✔Class A.
Which class of fire extinguisher is used for flammable liquids like gasoline or oil?
✔✔Class B.
Which class of fire extinguisher is used for electrical fires?
✔✔Class C.
Which class of fire extinguisher is used for combustible metals?
✔✔Class D.
Which class of fire extinguisher is used for cooking oils and fats?
✔✔Class K.
What does the pressure gauge on a fire extinguisher indicate?
✔✔Whether the extinguisher is charged and ready for use.
2
, What is the minimum required pressure for stored-pressure water extinguishers?
✔✔Within the green zone of the pressure gauge.
Why should a fire extinguisher never be blocked or obstructed?
✔✔It must be readily accessible in an emergency.
How should a fire extinguisher be mounted in a facility?
✔✔Securely, with the handle 3.5 to 5 feet above the floor depending on weight.
What is the maximum travel distance to reach a Class A fire extinguisher in most facilities?
✔✔75 feet.
What is the maximum travel distance to reach a Class B fire extinguisher?
✔✔50 feet.
What is the purpose of a safety seal on a fire extinguisher?
✔✔To indicate that it has not been used or tampered with.
3
