NFPA NFPA 10 Portable Fire Extinguishers 1 — Questions and Answers
Question 1: Under NFPA 10, what is the maximum travel distance to a Class A fire extinguisher in a light hazard occupancy?
- 50 feet
- 75 feet (Correct answer)
- 100 feet
- 150 feet
Correct answer: 75 feet
NFPA 10 requires that Class A extinguishers in light hazard occupancies be placed so that travel distance does not exceed 75 feet.
Question 2: According to NFPA 10, how often must a portable fire extinguisher receive an annual maintenance inspection?
- Every 6 months
- Every year (Correct answer)
- Every 3 years
- Every 5 years
Correct answer: Every year
NFPA 10 requires that every portable fire extinguisher receive a thorough maintenance examination at least annually.
Question 3: Under NFPA 10, what type of extinguisher is best suited for a Class K kitchen fire involving cooking oils?
- ABC dry chemical
- CO2
- Wet chemical (Correct answer)
- Halon
Correct answer: Wet chemical
NFPA 10 recognizes wet chemical extinguishers as the most effective agent for Class K fires involving cooking oils and fats.
Question 4: According to NFPA 10, what is the maximum mounting height for the handle of a fire extinguisher weighing more than 40 pounds?
- 3.5 feet
- 4 feet (Correct answer)
- 5 feet
- 5.5 feet
Correct answer: 4 feet
NFPA 10 requires that extinguishers weighing more than 40 pounds be mounted so that the handle is no higher than 3.5 feet above the floor.
Question 5: Under NFPA 10, what action is required when a fire extinguisher pressure gauge reads in the red (overcharged or undercharged) zone?
- Tag and continue in service for 30 days
- Remove from service and recharge or replace (Correct answer)
- Add pressure if undercharged only
- Submit a report to the AHJ
Correct answer: Remove from service and recharge or replace
NFPA 10 requires that extinguishers with gauges outside the operable (green) range be removed from service and recharged or replaced.
Question 6: According to NFPA 10, how frequently must stored-pressure dry chemical extinguishers be subjected to a 6-year internal examination?
- Every 3 years
- Every 6 years (Correct answer)
- Every 10 years
- Every 12 years
Correct answer: Every 6 years
NFPA 10 requires stored-pressure dry chemical extinguishers to be emptied and internally examined every 6 years.
NFPA NFPA 10 Portable Fire Extinguishers 1
Under NFPA 10, what is the maximum travel distance to a Class A fire extinguisher in a light hazard occupancy?