Question

How does carbon dioxide extinguish fire caused by the electrical equipment and petrolhow does carbon dioxide helps to extinguish fire caused by the electrical equipment and petrol]

Answer 1

For burning oxygen supply is very necessary by cutting of the supply we can extinguish fire.
Carbon dioxide being a heavier gas it act as a blanket on the fuel III it cut off the supply of Oxygen and extinguishes the Fire

Answer 2

Hey guy..
Here is your answer