In Class B and E fires, it displaces the oxygen from the atmosphere surrounding the fire, thereby stopping the fire by starving it of oxygen. The fires caused by the electrical short circuit in an electrical appliance or in electric wiring should not be extinguished by throwing water.Because ordinary water conducts electricity.So when water is thrown over the burning electrical appliance,it can give electric shock to the person involved in the fire fighting. It is important that your building is equipped with the proper fire extinguishers, and that your staff is prepared for how to handle a fire if one were to occur. Question 9 A drum of kerosene catches fire.What is the simplest way to put off the fire? Knowing the different classifications of fire is important in understanding which type of fire extinguisher to use in an emergency situation. a. Carbon Dioxide Fire Extinguishers A Carbon Dioxide (CO2) fire extinguisher is suitable for use on Class B and electrical fires. The process of extinguishing a fire is called fire-fighting. This device was probably used to a limited extent, as Bradley's Weekly Messenger for November 7, 1729, refers to its efficiency in stopping a fire in London. Carbon Dioxide (CO2) Fire Extinguisher. An example of two “Class B” fuels would be: a. Cardboard, newspapers . Carbon Dioxide Fire Extinguishers. Halon is an extremely clean agent that leaves no residue, making it a good agent for use around computers and other sensitive equipment. Class B extinguishers are made to snuff Class B fires or those that originated from flammable liquids such as diesel, oil, and petrol (not including cooking oils) and electrical equipment and appliances. Method. Carbon Dioxide (Co2) Fire Extinguishers are used for class B flammable liquids fires as well as Class C Electrical fires as they are electrically non-conductive. Dry powder extinguishers are the most suitable for this fire class, and it is also possible to use foam or … The authority having jurisdiction should be contacted for code interpretations. Extinguisher Types. b. An APW (water extinguisher) is safe to use on an electrical fire. The discharge stream could spread the flammable liquid in a Class B fire or could create a shock hazard on a Class C fire. Carbon dioxide fire extinguishers are the primary extinguisher used in extinguishing electrical fires. … Fire Extinguisher, CO2 Based Fire Extingushers. Class D fire extinguishers are used on combustible metals. Contact us today for assistance with finding the best fire extinguisher solution for your business and/or facility. CO2 extinguisher may be ineffective at extinguishing Class A fires because they may not be able to displace enough oxygen to successfully put the fire out. Carbon Dioxide extinguishers are designed for which types of fuels? 1)Carbon dioxide is denser than air and forms a layer around the burning substance.It covers the fire like a blanket due to which fresh air cannot reach the burning substance.The burning substance does not get oxygen of air and hence stops burning. You can depend on it to deliver a suffocating blanket of "snow-fog" carbon dioxide to extinguish a small or growing fire. CO2 FIRE EXTINGUISHERS, CARBON DIOXIDE. Just like a typical ABC fire extinguisher, … The pressure in the extinguisher is so extreme that bits of dry ice may shoot out of the horn when discharged. CO2; F-Class; Foam; Powder; Water; Partners; News. They are usually ineffective on Class A fires. b. Lamp, hot plate c. Grease, paint thinner . Carbon Dioxide (CO2) fire extinguishers are most commonly used for Class E fires involving electrical equipment. When fire breaks out in a house,office,factory,oil tanker,petrol pump,then the fire is harmful.It can cause loss of life or property. FIRE EXTINGUISHER TRAINING QUIZ. CO2 extinguishers are predominantly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. Carbon Dioxide Fire Extinguishers. A carbon dioxide (CO2) fire extinguisher is typically used for Class B (flammable liquids and gases) and Class C (energized electrical) fires. Filed Under: Class 8, Combustion and Flame Tagged With: carbon dioxide fire extinguisher, cut off the air supply, fire fighting, fire needs three things, how fire can be extinguished, remove the fuel, remove the heat. CO2 is a non-conductive & non-corrosive gas, because of this, it is the perfect solution for protecting computer & electrical equipment in the event of a fire. 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