F60 Fire Extinguisher Requirements 2 — Questions and Answers
Question 1: When using a torch for roofing operations, what minimum fire extinguisher rating is required to be on site?
- 1-A:10-B:C
- 2-A:20-B:C (Correct answer)
- 4-A:60-B:C
- 10-A:120-B:C
Correct answer: 2-A:20-B:C
NYC regulations require at least a 2-A:20-B:C rated extinguisher on site during torch operations.
Question 2: A fire extinguisher used during torch operations shows a pressure gauge in the red zone. What must the fire guard do?
- Use it anyway if it feels heavy enough
- Shake it to restore pressure
- Remove it from service and replace it immediately (Correct answer)
- Report it at the end of the shift
Correct answer: Remove it from service and replace it immediately
An extinguisher with a gauge in the red zone is not fully charged and must be removed from service and replaced before work begins.
Question 3: How far from the torch operation must the fire extinguisher be positioned for quick access?
- Within 75 feet
- Within 50 feet
- Within 30 feet (Correct answer)
- Within 10 feet
Correct answer: Within 30 feet
The extinguisher must be positioned within 30 feet of the work area to ensure rapid access in an emergency.
Question 4: Which type of fire extinguisher is NOT suitable for use when a torch operation involves both flammable gases and energized electrical equipment nearby?
- ABC dry chemical
- Carbon dioxide (CO2)
- Water-based (Class A only) (Correct answer)
- Halon substitute
Correct answer: Water-based (Class A only)
A water-based extinguisher is only rated for Class A fires and is dangerous near energized electrical equipment.
Question 5: After a fire extinguisher has been partially discharged during an emergency at a torch operation, what is the correct action?
- Refill it with water and return it to service
- Tag it as partially used and continue work
- Remove it from service and have it recharged or replaced (Correct answer)
- Secure the pin and leave it in place
Correct answer: Remove it from service and have it recharged or replaced
A partially discharged extinguisher must be recharged or replaced before it can be relied upon again.
Question 6: What does the 'B' rating on a fire extinguisher indicate?
- Effectiveness against burning buildings
- Square footage of Class B fire it can extinguish (Correct answer)
- Suitability for biological hazard fires
- Electrical conductivity rating
Correct answer: Square footage of Class B fire it can extinguish
The 'B' rating indicates the number of square feet of a Class B (flammable liquid) fire the extinguisher can suppress.
Question 7: During a roofing torch operation, a small fire ignites in a pile of wood scraps. Which extinguisher class addresses this fuel type?
- Class B
- Class C
- Class A (Correct answer)
- Class D
Correct answer: Class A
Class A extinguishers are rated for ordinary combustibles such as wood, paper, and debris.
When using a torch for roofing operations, what minimum fire extinguisher rating is required to be on site?