Water extinguishers are used for which class?

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Multiple Choice

Water extinguishers are used for which class?

Water extinguishers are designed for fires involving ordinary combustibles like wood, paper, and textiles. They work by absorbing a lot of heat and cooling the fuel below its ignition temperature, which stops the flame from continuing. Because their effectiveness comes from cooling, they should not be used on other types of fires: flammable liquids, electrical equipment, or reactive metals. Water can spread flammable liquids, conduct electricity and pose shock risk, or react violently with certain metals, making the situation much worse. So, their use best matches fires of common combustibles.

Water extinguishers are designed for fires involving ordinary combustibles like wood, paper, and textiles. They work by absorbing a lot of heat and cooling the fuel below its ignition temperature, which stops the flame from continuing. Because their effectiveness comes from cooling, they should not be used on other types of fires: flammable liquids, electrical equipment, or reactive metals. Water can spread flammable liquids, conduct electricity and pose shock risk, or react violently with certain metals, making the situation much worse. So, their use best matches fires of common combustibles.

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