Answer :
Final answer:
Not all fire extinguishers can be used on every type of fire; the statement is false. Different classes of fires require specific types of extinguishers for effective and safe use. Using the wrong extinguisher can lead to dangerous situations and ineffective firefighting.
Explanation:
Understanding Fire Extinguishers and Their Uses
The statement that any type of fire extinguisher can be used on any fire, irrespective of the class of fire or the size of the extinguisher, is FALSE. Different fire extinguishers are designed to combat different types of fires, classified into categories based on the materials involved in the fire.
Fire Classes and Corresponding Extinguishers
Here are the main classes of fire and the appropriate extinguisher:
- Class A: Fires involving ordinary combustibles like wood and paper. Use water-based extinguishers or foam.
- Class B: Fires involving flammable liquids, such as oil or gasoline. Use foam or dry chemical extinguishers.
- Class C: Fires involving electrical equipment. Use CO2 or dry chemical extinguishers.
- Class D: Fires involving combustible metals. Use a specialized extinguisher designed for metal fires.
- Class K: Fires in cooking oils and fats. Use a wet chemical extinguisher.
Using the wrong type of extinguisher on a fire can not only be ineffective but also dangerous. For example, using water on a Class B fire can cause the flames to spread. Additionally, the size of the extinguisher matters; small extinguishers may not be adequate for larger fires.
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