Answer :
Final answer:
Class D fire extinguishers are used for fires involving combustible metals and alloys. They contain special extinguishing agents that handle the high temperatures and reactions of metal fires. Therefore the correct answer is C).
Explanation:
The classification of portable fire extinguisher used for fires that involve combustible metals and alloys is Class D. Traditional fire extinguisher classes include Class A for ordinary combustibles such as wood and paper; Class B for flammable liquids like gasoline and oil; Class C for electrical fires; and Class K for kitchen fires involving cooking oils and fats. Class D fire extinguishers are used for fires involving combustible metals and alloys.
They contain special extinguishing agents that handle the high temperatures and reactions of metal fires. Combustible metals require a special extinguishing agent capable of dealing with the high temperatures and unique reaction mechanisms of metal fires, which is why Class D extinguishers are made specifically for that purpose.
