Examkin

Question

Difficulty: EasyFire Safety and Classification

While cleaning vehicle components at a workbench, a technician accidentally ignites a container of mineral spirits solvent. Which class of fire extinguisher is specifically designed to extinguish this flammable liquid fire?

  1. A
    Class A extinguisher
  2. Class B extinguisherAnswer
  3. C
    Class C extinguisher
  4. D
    Class D extinguisher

Answer

A Class B extinguisher is specifically rated for flammable and combustible liquid fires such as cleaning solvents.
Class B fire extinguishers use dry chemical, carbon dioxide, or foam agents specifically formulated to smother and suppress fires fueled by flammable and combustible liquids such as solvent, gasoline, oil, and paint thinners.

Step-by-Step Solution

1
Determine the fuel source involved in the fire.
Mineral spirits solvent is classified as a flammable liquid.
Fire extinguisher classifications correspond directly to specific categories of burning materials.
2
Match the fuel category to the standard fire classification system.
Flammable and combustible liquids fall under Class B.
Class A covers ordinary combustibles, Class B covers flammable liquids, Class C covers energized electrical components, and Class D covers combustible metals.

Key Concept

Fire Extinguisher Classification for Flammable Liquids
Estimated Time:45s
Rate this question

Topics

Fire Safety and Classification

More questions from this topic