Question 693 Deck Safety
70% to passWhen choosing extinguishers to fight a Class "B" fire do NOT use _______________.
A
foam (stored-pressure type)
B
carbon dioxide
C
dry chemical
D
water (cartridge-operated)
AI Explanation
The correct answer is D) water (cartridge-operated). Water is not an appropriate extinguishing agent for Class B fires, which involve flammable liquids and gases. Water can spread these types of fires, making them worse. The correct extinguishing agents for Class B fires are foam (stored-pressure type), carbon dioxide, and dry chemical extinguishers, as they are effective at smothering and interrupting the chemical reaction of these types of fires. Using water on a Class B fire could lead to the fire spreading, which is why it should not be used.
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