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F I R E
1.
2. CONTENT
1. FIRE TRIANGLE
2. CAUSES OF FIRE
3. DO’S & DONT’S
4. USE OF FIRE EXTINGUISHERS
5. TYPES OF FIRE
6. SELECTION OF FIRE EXTINGUISHER
3. FIRE TRIANGLE
In order that a fire takes place, there has to be :-
•Oxygen to sustain combustion.
•Heat to raise the material to its ignition temperature.
•Fuel or combustible material.
A combination of ‘all’ of the above creates a fire!!
4. But how do we fight a fire??
Fires can be extinguished by Breaking The Fire Triangle.
Essentially, fire extinguishers put out the fire by taking
away one or more elements of the fire triangle.
19. USE OF FIRE EXTINGUISHER
Always raise the alarm first
A. Pull the safety tag and pin
B. Aim at the base of the fire
C. Squeeze the handle levers
D. Sweep the jet from side to side
If you have the slightest doubt about your ability to fight a fire....
EVACUATE IMMEDIATELY!
20. TYPES OF FIRES:
Class A fires occur in ordinary combustible material such
as wood, cloth, paper etc….
Class B fires occur in the vapour-air mixture over the
surface of flammable and combustible liquids like petrol,
diesel, alcohol etc….
Class C fires involve gases such as LPG, CNG etc. and
energized electrical equipments.
Class D fires occur in combustible metals such as
manganese, potassium, sodium etc….
21. SELECTION OF FIRE EXTINGUISHER
FIRE CLASS A B C D K
Wood, Liquids like Energized Combustible
DISCRIPTION metals like
Paper, petrol, electrical
manganese, kitchen
Cloth diesel, equipments,
potassium,
etc. alcohol conductors
EXTNGUISHER sodium
DRY POWDER ABC
DRY POWDER BC
DRY POWDER (METAL)
WATER
FOAM
CO2
CLEAN AGENT
KITCHEN