Fire Extinguisher Types and Usage Flashcards
6 cards from real Fire Safety practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fire Extinguisher Types and Usage flashcards as text
A dry chemical fire extinguisher labeled 'ABC' can be used on which types of fires?
Answer: Class A, B, and C fires
ABC-rated dry chemical extinguishers are multipurpose and effective on ordinary combustibles, flammable liquids, and electrical fires.
What is the primary hazard of using a water extinguisher on an electrical fire?
Answer: It causes electrocution
Water conducts electricity, so using a water extinguisher on an energized electrical fire creates a serious electrocution risk.
What is the typical effective range of a portable fire extinguisher's discharge stream?
Answer: 6–10 feet
Most portable fire extinguishers have an effective discharge range of approximately 6 to 10 feet.
Which fire extinguisher type leaves no residue and is safe for use around sensitive electronic equipment?
Answer: Carbon dioxide (CO2)
CO2 extinguishers discharge gas that dissipates completely, leaving no residue that could damage computers or electronics.
What does a pressure gauge in the green zone on a fire extinguisher indicate?
Answer: The extinguisher is fully charged and ready
A needle in the green zone means the extinguisher is properly pressurized and ready for use.
How far from a potential hazard should a fire extinguisher be mounted, according to general fire code guidelines?
Answer: Within 75 feet for Class A hazards
NFPA 10 specifies that Class A extinguishers must be within 75 feet of the hazard; Class B distances vary by rating.