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It actually is used, but only to cool the burning structures. If you add water to a large oil or gas fire, it would carry the burning fuel around, since the fuel is lighter and will float on the water.

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13y ago
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12y ago

because petrol is lighter than water and so petrol will flow on it.

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6y ago

The water will cause the burning petrol to splutter and flare up even more, and will also spread the flames further.

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Q: Why water should not be used to put off fire caused by petrol?
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If it is a fire caused by petrol, use powder to extinguish it.


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