CFPS Portable Fire Extinguishers 2 — Questions and Answers
Question 1: According to NFPA 10, what is the maximum mounting height (top of extinguisher) for a portable fire extinguisher with a gross weight not exceeding 40 lbs?
- 3.5 feet
- 4 feet
- 5 feet (Correct answer)
- 6 feet
Correct answer: 5 feet
NFPA 10 Section 6.1.3.1 specifies that extinguishers weighing 40 lbs or less shall be installed so the top of the extinguisher is no more than 5 feet above the floor.
Question 2: Under NFPA 10, stored pressure dry chemical fire extinguishers must undergo a complete internal examination at what interval?
- Every 3 years
- Every 6 years (Correct answer)
- Every 10 years
- Every 12 years
Correct answer: Every 6 years
NFPA 10 requires that stored pressure extinguishers containing dry chemical agents undergo a complete internal examination every 6 years.
Question 3: According to NFPA 10 Table 8.3.1, what is the required hydrostatic test interval for a carbon dioxide (CO2) fire extinguisher?
- 3 years
- 5 years (Correct answer)
- 10 years
- 12 years
Correct answer: 5 years
NFPA 10 Table 8.3.1 specifies a 5-year hydrostatic test interval for carbon dioxide extinguishers due to their high operating pressures.
Question 4: What does the acronym PASS represent in the proper operation of a portable fire extinguisher?
- Pull, Aim, Squeeze, Sweep (Correct answer)
- Point, Activate, Spray, Stop
- Prepare, Aim, Squeeze, Spray
- Pull, Adjust, Spread, Soak
Correct answer: Pull, Aim, Squeeze, Sweep
PASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep the nozzle from side to side.
Question 5: According to NFPA 10, which condition requires that a portable fire extinguisher be condemned and permanently removed from service?
- A missing annual inspection tag
- A corroded cylinder shell that cannot be repaired or reconditioned (Correct answer)
- A cracked plastic handle on an otherwise functional unit
- An inspection date that expired less than 30 days ago
Correct answer: A corroded cylinder shell that cannot be repaired or reconditioned
NFPA 10 Section 7.5.3 states that extinguishers with a corroded shell that cannot be cleaned, repaired, or reconditioned must be condemned and removed from service.
Question 6: According to NFPA 10, what is the maximum travel distance to a Class B portable fire extinguisher in an extra hazard occupancy?
- 30 feet (Correct answer)
- 50 feet
- 75 feet
- 100 feet
Correct answer: 30 feet
NFPA 10 Table 6.3.1.1 specifies a maximum travel distance of 30 feet to Class B extinguishers in extra hazard occupancies.
Question 7: According to NFPA 10, what action is immediately required when a portable fire extinguisher has been partially discharged?
- Tag it for service at the next scheduled annual maintenance
- Immediately recharge or replace it (Correct answer)
- Relocate it to a lower hazard area until serviced
- Continue using it until fully empty, then recharge
Correct answer: Immediately recharge or replace it
NFPA 10 Section 7.2.3 requires that any extinguisher that has been used or partially discharged be immediately recharged or replaced.
According to NFPA 10, what is the maximum mounting height (top of extinguisher) for a portable fire extinguisher with a gross weight not exceeding 40 lbs?