Which of the following states the correct principle of fire extinguishers?

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

Cut off the air supply and heat the burning substance above its ignition temperature.

Cut off the air supply and cool the burning substance below its ignition temperature.

Increase the air supply and heat the burning substance above its ignition temperature.

Increase the air supply and cool the burning substance below its ignition temperature.

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Answer: B

Solution:

The principle of a fire extinguisher is to cut off the air supply and cool the burning substance below its ignition temperature.

There are three essential requirements for producing fire. These are fuel, air (to supply oxygen), and heat (to raise the temperature of the fuel beyond the ignition temperature). Fire can be controlled by removing one or more of these requirements. The job of a fire extinguisher is to cut off the supply of air or bring down the temperature of the fuel, or both. So option B is the correct option

Watch 3-min video & get full concept clarity