Question

how does fire brigade works to extinguish fire ?

Answer 1

Fire brigade have mixture of foam and carbon dioxide. They spray it on fir by air compressor. As carbon dioxide reacts with oxygen it become heavier than oxygen and cut off the supply of oxygen and foam cool out the temperature and than fire is stop after some time. 

Answer 2

Answer:

When fire brigade arrives, it pours water on the fire. Water cools the combustible material, so that its temperature is brought below its ignition temperature. They cut-off electricity and remove the combustible material from surrounding. ... So the fire

is extinguished.

Explanation:

Hope my answer helps you ☺️