FSFC151 Portable Extinguisher Permittee Exam
- Which class of fire is primarily associated with ordinary combustibles such as wood and
- Class A
- Class B
- Class C
- Class D
paper?
Correct Answer: A
Explanation: Class A fires involve materials like wood, paper, cloth, and most plastics, which require water-based or other Class A extinguishers for effective suppression.
- What is the primary purpose of a portable fire extinguisher in a workplace setting?
- To replace the fire department
- To control small fires or incipient-stage fires
- To be used by untrained personnel only
- To clean up hazardous waste
Correct Answer: B
Explanation: Portable fire extinguishers are designed to control or extinguish small fires in their earliest stages, preventing the fire from spreading while professional help is on the way.
- Which of the following is the correct acronym to remember when operating a fire
- PASS (Pull, Aim, Squeeze, Sweep) 1 / 4
extinguisher?
FSFC151 Portable Extinguisher Permittee Exam
- PARK (Pull, Aim, Release, Kick)
- PALS (Pull, Aim, Lift, Spray)
- STOP (Squeeze, Twist, Orient, Pull)
Correct Answer: A
Explanation: PASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep the nozzle from side to side.
- Which regulatory organization's standards are commonly used for fire extinguisher
maintenance in the United States?
A) FDA
B) EPA
C) NFPA
D) FAA
Correct Answer: C
Explanation: The National Fire Protection Association (NFPA) provides codes and standards, including NFPA 10, which covers the inspection, maintenance, and testing of portable fire extinguishers.
- If a fire is fueled by flammable liquids such as gasoline or oil, which class does it belong to?
- Class A
- Class B
- Class C 2 / 4
FSFC151 Portable Extinguisher Permittee Exam
- Class D
Correct Answer: B
Explanation: Class B fires involve flammable or combustible liquids like gasoline, oil, grease, and some paints. These fires often require foam, CO₂, or dry chemical extinguishers.
- Which class of fire involves energized electrical equipment?
- Class A
- Class B
- Class C
- Class D
Correct Answer: C
Explanation: Class C fires involve live electrical equipment or wiring, and specialized extinguishers (like CO₂ or dry chemical) are used to avoid conductor hazards.
- How often should portable fire extinguishers typically be inspected visually?
- Every day
- Weekly
- Monthly
- Annually
Correct Answer: C 3 / 4
FSFC151 Portable Extinguisher Permittee Exam
Explanation: NFPA 10 recommends performing a quick visual check of portable fire extinguishers at least once a month to ensure they are in good working order.
- Which component is crucial to check during a monthly inspection of a fire extinguisher?
- Color of the cylinder
- Presence of a hose clamp
- Pressure gauge reading
- Size of the discharge nozzle
Correct Answer: C
Explanation: One of the most important checks is ensuring the extinguisher’s pressure gauge is within the recommended range and not overcharged or undercharged.
- In which situation should you avoid using a water-based extinguisher?
- Fire involving wood
- Fire involving paper
- Fire involving electrical equipment
- Fire involving cloth
Correct Answer: C
Explanation: Water-based extinguishers can conduct electricity, so they should not be used on fires involving live electrical equipment (Class C).
- / 4