NSC NSC Fire Safety 1 — Questions and Answers
Question 1: What class of fire extinguisher is rated for use on ordinary combustibles such as wood, paper, and cloth?
- Class A (Correct answer)
- Class B
- Class C
- Class D
Correct answer: Class A
Class A extinguishers are designed for ordinary combustibles like wood, paper, and cloth.
Question 2: Which fire extinguisher class is specifically intended for flammable liquids and gases?
- Class A
- Class B (Correct answer)
- Class C
- Class K
Correct answer: Class B
Class B extinguishers are rated for flammable liquids such as gasoline, oil, and grease fires.
Question 3: What does the acronym PASS stand for when using a fire extinguisher?
- Pull, Aim, Squeeze, Sweep (Correct answer)
- Point, Activate, Suppress, Smother
- Pull, Apply, Smother, Stop
- Prepare, Aim, Squeeze, Spray
Correct answer: Pull, Aim, Squeeze, Sweep
PASS stands for Pull the pin, Aim at the base, Squeeze the handle, and Sweep side to side.
Question 4: According to NSC guidelines, at what point should an employee attempt to fight a fire rather than evacuate?
- Only when the fire is small, contained, and the exit is clear behind them (Correct answer)
- Whenever a fire extinguisher is nearby
- Only if they are a trained firefighter
- When the fire alarm has not yet sounded
Correct answer: Only when the fire is small, contained, and the exit is clear behind them
NSC recommends fighting a fire only if it is small and contained and your escape route remains clear behind you.
Question 5: Which federal regulation requires employers to establish an Emergency Action Plan that includes fire evacuation procedures?
- OSHA 29 CFR 1910.38 (Correct answer)
- OSHA 29 CFR 1910.120
- OSHA 29 CFR 1910.147
- OSHA 29 CFR 1910.303
Correct answer: OSHA 29 CFR 1910.38
OSHA 29 CFR 1910.38 requires employers to develop and implement an Emergency Action Plan covering fire evacuation.
Question 6: What is the minimum clearance that must be maintained in front of fire extinguisher locations and electrical panels to ensure access during an emergency?
- 36 inches (Correct answer)
- 18 inches
- 24 inches
- 48 inches
Correct answer: 36 inches
OSHA and NFPA standards require a minimum 36-inch clearance in front of fire extinguishers and electrical panels.
NSC NSC Fire Safety 1
What class of fire extinguisher is rated for use on ordinary combustibles such as wood, paper, and cloth?