Question

why carbo dioxide the best extinguisher of fire involving electrical equipment and materials like petrol
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Answer 1

Answer:

For fires involving electrical equipment and inflammable material like petrol, carbon dioxide is the best extinguisher. Carbon dioxide being heavier than oxygen, covers the fire like a blanket. Since, the contact between the duel and oxygen is cut off, the fire is extinguished.

Answer 2

Answer:  (flammable liquid and electrical) fires only. Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well.

Explanation: