CSO Fire Safety and Prevention 1 — Questions and Answers
Question 1: What class of fire involves ordinary combustible materials like wood and paper?
- Class A (Correct answer)
- Class B
- Class C
- Class D
Correct answer: Class A
Class A fires involve ordinary combustibles such as wood, paper, and cloth.
Question 2: What does the acronym PASS stand for when using a fire extinguisher?
- Pull, Aim, Squeeze, Sweep (Correct answer)
- Push, Aim, Squeeze, Spray
- Pull, Apply, Squeeze, Spread
- Push, Arm, Spray, Sweep
Correct answer: Pull, Aim, Squeeze, Sweep
PASS stands for Pull, Aim, Squeeze, Sweep — the correct technique for operating a fire extinguisher.
Question 3: How far should you stand from the base of a fire when using an extinguisher?
- 6–8 feet (Correct answer)
- 1–2 feet
- 15–20 feet
- 25–30 feet
Correct answer: 6–8 feet
Standing approximately 6–8 feet away provides effective coverage while keeping you safe from heat and flames.
Question 4: What is the FIRST action you should take when you discover a fire?
- Activate the fire alarm (Correct answer)
- Grab a fire extinguisher
- Call your supervisor
- Evacuate immediately without alerting others
Correct answer: Activate the fire alarm
Activating the fire alarm alerts all occupants and triggers emergency response before any other action is taken.
Question 5: Class B fires involve which type of material?
- Flammable liquids and gases (Correct answer)
- Electrical equipment
- Combustible metals
- Ordinary combustibles like wood
Correct answer: Flammable liquids and gases
Class B fires involve flammable or combustible liquids and gases such as gasoline, oil, and propane.
Question 6: What color are standard fire extinguishers in the US to aid quick identification?
- Red (Correct answer)
- Yellow
- Blue
- Green
Correct answer: Red
In the US, fire extinguishers are universally red to make them easily visible and identifiable in an emergency.
CSO Fire Safety and Prevention 1
What class of fire involves ordinary combustible materials like wood and paper?