FIRE FIGHTING

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Fire Triangle

Removal/limitation of fuel is called starvation.
Limitation of oxygen is called smothering.
Limitation of temperature cooling.


Thermal value– the amount of heat liberated by combustion of unit weight of fuel.
Burning Speed the rate of burning increases with concentration of Oxygen and temperature.

Flash point -It is the lowest temperature at which the vapour of a substance are available in sufficient quantity to produce momentarily flash when a flame is applied.
Fire point
– It is the temperature at which heat from combustion of burning vapur is capable of producing sufficient vapour to enable combustion to continue.

Also important to know what is UFL and LFL

Fire directions system falls into 3 main categories
Heat detector
Smoke detector
Flame detector