Question

knowledge check
match the
correct type of
fire to the
appropriate
class.
propane tank explosion
magnesium flares
accidentally set off
a fire from the
refrigerator’s motor
the grease in a pan on
the stove is on fire
a pile of leaves on fire

Explanation:

Fire classes are categorized by the fuel source:

• Class A: Ordinary combustibles like leaves, wood, paper.
• Class B: Flammable liquids/greases like cooking grease.
• Class C: Electrical equipment fires like refrigerator motors.
• Class D: Combustible metals like magnesium.
• Class K: Commercial cooking oils/greases, but also includes propane (flammable gas, often grouped with Class B but in some systems, propane is Class B; correction: propane is a flammable gas, Class B; Class K is specifically commercial kitchen oils. Wait, correct mapping:

1. Propane tank explosion: Class B (flammable gas/liquid)
2. Magnesium flares: Class D (combustible metal)
3. Refrigerator motor fire: Class C (electrical equipment)
4. Pan grease fire: Class K (commercial/kitchen grease, though some include in B, K is specific for cooking oils)
5. Pile of leaves: Class A (ordinary combustibles)

Answer:

• Propane tank explosion: B. Class B
• Magnesium flares accidentally set off: D. Class D
• A fire from the Refrigerator's motor: C. Class C
• The grease in a pan on the stove is on fire: K. Class K
• A pile of leaves on fire: A. Class A