NSC NSC Fire Safety 2 — Questions and Answers
Question 1: Which type of fire detector is most effective at detecting slow, smoldering fires?
- Photoelectric smoke detector (Correct answer)
- Ionization smoke detector
- Heat detector
- Flame detector
Correct answer: Photoelectric smoke detector
Photoelectric smoke detectors are better at detecting slow, smoldering fires that produce large smoke particles.
Question 2: How often should portable fire extinguishers in a workplace be visually inspected according to OSHA and NFPA 10?
- Monthly (Correct answer)
- Weekly
- Quarterly
- Annually
Correct answer: Monthly
NFPA 10 and OSHA 1910.157 require portable fire extinguishers to be visually inspected at least monthly.
Question 3: What is the correct procedure when you discover a fire in the workplace?
- Activate the alarm, call the fire department, then evacuate (Correct answer)
- Try to extinguish it first, then call 911
- Notify your supervisor before activating the alarm
- Close all doors and windows before evacuating
Correct answer: Activate the alarm, call the fire department, then evacuate
NSC protocols state you should activate the alarm, call the fire department, and then evacuate in that order.
Question 4: Which extinguishing agent is recommended for Class C (energized electrical equipment) fires?
- Carbon dioxide (CO2) or dry chemical (Correct answer)
- Water
- Foam
- Wet chemical
Correct answer: Carbon dioxide (CO2) or dry chemical
CO2 and dry chemical agents are non-conductive and safe for use on energized electrical equipment fires.
Question 5: According to the NSC, what is the leading cause of workplace fire deaths?
- Arson
- Electrical fires (Correct answer)
- Cooking equipment
- Heating equipment
Correct answer: Electrical fires
Electrical fires are the leading cause of workplace fire deaths, often resulting from faulty wiring or overloaded circuits.
Question 6: Fire evacuation drills at workplaces are recommended by the NSC at what minimum frequency?
- At least annually (Correct answer)
- Every five years
- Every two years
- Only when required by local fire code
Correct answer: At least annually
NSC recommends conducting fire evacuation drills at least annually to ensure all employees know evacuation routes.
Which type of fire detector is most effective at detecting slow, smoldering fires?