Question

joann has a fire extinguisher in her work area with a blue circle symbol on it. which class of fire can she use the fire extinguisher on?

class a
class b
class c
class d
class k

Explanation:

Identify the symbol and its meaning

The question states that the fire extinguisher has a blue circle symbol on it. In standard fire safety classification, geometric symbols and colors represent specific classes of fires:

• Green triangle: Class A (ordinary combustibles)
• Red square: Class B (flammable liquids)
• Blue circle: Class C (electrical equipment)
• Yellow star: Class D (combustible metals)

Match the symbol to the correct class

Since the symbol is a blue circle, it corresponds directly to Class C fires.

Answer:

• Class A
• Class B
• Class C (Correct answer)
• Class D
• Class K