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Fire Hose Fully Explained With Easily By Lokesh Singh

Fire Service Hose

Dry Chemical Powder (DCP) Extinguisher (Gas cartridge type) Explain by Lokesh Singh

Dry Chemical Powder Extinguisher (Gas cartridge type)

Water Type (CO2 gas expelled) Extinguisher operation & Filling Full Explained

Water Type (CO2 Gas Expelled) Construction:- T hese extinguishers are identical in appearance and construction to soda acid type of extinguishers. The only exception is that instead of acid phial these extinguishers are provided with CO2 cartridge which is screwed to the cap of the extinguisher. The co2 cartridge has a sealing disc. The plunger has a piercing type nail attached to it in such a way that it will puncture the sealing disc of co2 cartridge when pushed down. A syphon tube is fitted inside so that it can be used in upright position.

First Aid, Scalds, First/second/third degree burns in fire explain easy method

First Aid For Burns

Cooling, Starvation, Smothering, Chain breaking mechanism With Water Merits And Demerits full explained (chapter-2 Unit-1)

Fire Extinguishing Modes Fire can be extinguished by employing one or more of the following techniques. Cooling:- This means removal of heat this can be achieved by the use of water. Generally 'A' class fire can be extinguished by this method. Starvation:- Removal of fuel. this can be achieved by cutting out the fuel supply to the fire. This can be achieved by physical removal of fuel e.g. pumping out the fuel from the tank on fire or isolating the supply valve etc. Smothering:- Removal of oxygen (air) or diluting the same to blow the minimum requirement. This can be achieved by by applying an inert gas such as CO2 or nitrogen or dry chemical powder or halons etc. Chain breaking mechanism: - This can be achieved by the application of halogenated hydrocarbons or dry chemical powder which distribute the chain reaction between free free radicals of fuel and atmospheric air.

आग से संबंधित कुछ महत्वपूर्ण शब्दों की परिभाषा (Chapter-1, Unit-2)

Definitions of few terms related to fire: 1- Fire Ball:- A spherical mass of flame that sometimes occurs when a large quantity of vaporized flammable liquid suddenly catches fire 2- Fire Bat:- A Canvas pedal used to beat out grass fires 3:- Fire Beater:- A birch broom or piece of rubber or wire netting attached to a long handle, used to beat out grass and brush fires. This is a kind of fire bat. 4:- Fire Blanket:- A non combustible cloth of asbestos or one treated with fire retardant chemicals, used to wrap around clothing fire victims to smother the flames. 5:- Fire Brand:- Hot, flaming or glowing solids, generally of cellulosic materials, Rose by strong convective currents and carried by high winds in large scale fires. Fire brands are the most common sources of spot fires. 6:- Fire Break:- (A) an open space between buildings, stocks of of combustible materials, stored goods, and the like, serving to interrupt the spread of Fire. (B) a natural barrier to fire spread, or cleare