What is the principle of fire extinguisher class 8?

Fire extinguishing works on the principle of cutting off the supply of oxygen to the fire and bringing down the temperature.

What are the basic principles of fire safety?

Basic principles

  • Prevent the occurrence of fire: …
  • Provide fire compartmentalization: …
  • Provide safe escape routes: …
  • Provide fire alarms: …
  • Provide extinguishing agents: …
  • Provide facilities for the fire brigade: …
  • Provide adequate control and maintenance:

What is fire extinguisher class 8?

The job of a fire extinguisher is to cut off the supply of air or bring down the temperature of the fuel. Fig. 9 Follow PASS. Soda – acid fire extinguisher: Carbon dioxide liberated by the reaction of sulphuric acid with sodium bicarbonate solution comes out with a stream of liquid water at high pressure.

What are the 4 main principles of fire safety?

Over time we have learned fundamental fire safety principles for preventing fire events and managing their impact (i.e. the Common Principles: Prevention, Detection and Communication, Occupant Protection, Containment and Extinguishment) that can be consistently applied internationally.

What are the 3 methods of extinguishing a fire?

All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire. One of the most common methods of extinguishing a fire is by cooling with water.

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What are the 4 types of fire extinguishers?

There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.

What is extinguishment of fire?

The theory of fire extinguishment is based on removing any one or more of the four elements in the fire tetrahedron to suppress the fire. REMOVING THE HEAT. In order to remove the heat, something must be applied to the fire to absorb the heat or act as a heat exchanger.

What is fuel in class 8?

A material which is burnt to produce heat is called a fuel. For Ex:Wood,coal,LPG,Kerosene,petrol,diesel,natural gas,biogas. A fuel is a very good source of heat.

What is fire class 9?

Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products… … The Questions and Answers of What do u mean by fire? are solved by group of students and teacher of Class 9, which is also the largest student community of Class 9.

Fire safety