A fire involves magnesium swarf from a machining operation. Why is water the wrong response?
Answer and explanation
Correct answer: B. Water can react violently with burning metal
- Step 1: Metal fires are Class D and need specialist dry powder. Step 2. Water breaks down into hydrogen and oxygen on hot metal, feeding the fire. Answer: Water can react violently with burning metal. Why not the others: Wetness, reach and cooling are not the issue; the reaction is.
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