Types of Extinguishers Flashcards

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Questions and Answers

What type of fire does Class A represent?

  • Ordinary combustible materials (correct)
  • Flammable liquids
  • Energized electrical circuits
  • Reactive metals

What type of fire does Class B represent?

  • Energized electrical circuits
  • Flammable liquids (correct)
  • Ordinary combustible materials
  • Reactive metals

Which extinguishers are suitable for Class C fires?

  • D extinguishers only
  • K extinguishers
  • B-C dry chemical extinguishers (correct)
  • A-B-C extinguishers (correct)

What type of fire does Class D represent?

<p>Reactive metals (A)</p> Signup and view all the answers

Which type of extinguisher is used for Class K fires?

<p>K extinguishers (D)</p> Signup and view all the answers

What are ordinary combustible materials?

<p>Wood, cloth, paper</p> Signup and view all the answers

Flashcards

Class A fire

Ordinary combustible materials

Class B fire

Flammable liquids

B-C dry chemical extinguishers

Suitable for Class C fires

Class D fire

Reactive metals

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Extinguisher for Class K fires

K extinguishers

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Ordinary Combustible Materials

Wood, cloth, paper

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Study Notes

Types of Fire Classes and Extinguishers

  • Class A Fire: Involves ordinary combustible materials like wood, cloth, and paper.

    • Recommended extinguishers: "A-B-C", pressurized water.

  • Class B Fire: Concerns flammable liquids, including oil, gasoline, and kerosene.

    • Recommended extinguishers: "A-B-C", "B-C" dry chemical, carbon dioxide.

  • Class C Fire: Occurs due to energized electrical circuits, such as in electronic motors and electrical wiring.

    • Recommended extinguishers: "A-B-C", "B-C" dry chemical, carbon dioxide.

  • Class D Fire: Involves reactive metals, which require specialized extinguishing agents.

    • Recommended extinguishers: D extinguishers only.

  • Class K Fire: Primarily involves cooking oils and fats, common in kitchen environments.

    • Recommended extinguisher: K (specific to kitchen fires).

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