Water is for the survival of all life forms is crucial. But for some types of fire, water means the destruction, before they have even a chance to shine. When it is installed correctly, water can effectively remove a fire extinguisher at the beginning. This guy has the advantage of being harmless, easy to clean and inexpensive. However, it is important to determine the type of fire, when fire extinguishers.
Most people have the impression that the water ofultimate antidote to the fire. This is a dangerous mistake, because not all fires which may be replaced by water taken out of service. Can in fact help, even water, the spread of fire cause flammable liquids such as gasoline and paint. This explains why water extinguisher is limited only Class A fire. This type of fire burns solid materials such as wood, cloth and paper for fuel.
Water fire extinguisher is also known as APW extinguishers is known forair-pressurized water. Aside from water, this type also contains additives like wetting agents, antifreeze, and wet chemical. Fire is extinguish by its ability to take away the heat element from the fire triangle. The other two elements in the fire triangle are oxygen and fuel. Fire extinguishers put out fire by eliminating one or two elements from the fire triangle. The dry chemical fire extinguisher for example, extinguishes fire by leaving a blanket of non flammable material with the fuel so as to alienate oxygen from the fuel. Water removes heat from fire triangle making it impossible for the chemicals produced go to the fire.
If you have a fire extinguisher at home, you need to take necessary precautions when to use it. There are two important points to remember when this type of fire extinguisher, comprising:
I never use water on fires caused Class B - Class B is out fires from flammable liquids such as gasoline and kerosene. > Water will only cause the fire to spread and cause more harm that swim flammable liquid on the water.
I never use water to class C fires - extinguishing fires of class C is also known as electric fires. You run the risk of electric shock if you use water to this type of fire. Water is a good conductor of electricity to suffocate. If you are left no other choice but to use water from electrical appliances unplugged to do.
> The water should not be used on chip pan fires. The chip is burning a pan for frying pan, fire, if the oil used to overheat and catch on fire. The effect of extremely high temperature inside the pan that the water to be heated well above its boiling point so it evaporates immediately. It will exacerbate the fire, because the rapid expansion of steam a fireball of burning oil from the fryer, which could ignite the fire in the area it will be ejectedRange.
Water is vital. In fact, the water is not just an everyday commodity, but also necessary in a fire emergency. Water extinguishers, if they are used properly could help you survive a fire and save lives and properties.
0 ความคิดเห็น:
แสดงความคิดเห็น