Question

Which is the best fire extinguisher for fires involving electrical equipment and inflammable materials like petrol ?

Answer 1

The most commonly used fire extinguisher liquefied gas of $C{O}_2$ if the electrical equipment and inflammable materials are on fire because Carbon dioxide is the best extinguisher. Since it is heavier than oxygen it covers the fire so that the contact between fuel and oxygen is cut off and the fire is controlled, it also bring s down the temperature of the fuel. For this purpose, carbon dioxide is stored at high pressure as a liquid in cylinders.