The correct answer is Sodium hydrogen carbonate. Soda-acid fire extinguishers comprise sodium bicarbonate and sulphuric acid.
What is Type C fire extinguisher used for?
Class C fires involve energized electrical equipment. Extinguishers with a C rating are designed for use with fires involving energized electrical equipment.
What are AB and C fire extinguishers for?
Class A is for trash, wood, and paper. Class B is for liquids and gases. Class C is for energized electrical sources.
What is a Type B 1 fire extinguisher?
B-1 Extinguishers are USCG approved and meet the need for a Type B, Size 1 USCG approved Fire Extinguisher. Amerex B-I Fire Extinguishers must be: Dry Chemical, ABC, or Purple K: 2 lbs or larger. Carbon Dioxide (Co2): 5 lbs or larger. Halon: 2.5 lbs or larger.
What are Class B and C fires?
Class B fires which involve flammable liquids and gases, solvents, oils, greases (excluding cooking oils/greases in depth) tars, oil-based paints and lacquers. Class C fires which involve energized electrical equipment.
Which powder used in ABC fire extinguisher?
At USC, “ABC” fire extinguishers are filled with a fine yellow powder. The greatest portion of this powder is composed of monoammonium phosphate. Nitrogen is used to pressurize the extinguishers.
What is a 5 B fire extinguisher?
Rated 5-B:C for liquid, gas, and energized electrical fires. 2.35 lb. non-rechargeable fire extinguisher for one-time use. 6 ft. discharge range; 8 – 12 second discharge time.
What type of fire is put out with a 5 B?
Fire extinguishers with a Class B rating are effective against flammable liquid fires. These can be fires where cooking liquids, oil, gasoline, kerosene, or paint have become ignited.
What is a B2 fire extinguisher?
B-II Extinguishers are USCG approved and meet the need for a Type B, Size 2 USCG approved Fire Extinguisher. Amerex B-II Fire Extinguishers must be: Dry Chemical, ABC, or Purple K: 10 lbs or larger. Carbon Dioxide (Co2): 15 lbs or larger.
What are the 4 types of fire extinguishers?
There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire.
- Class A extinguishers will put out fires in ordinary combustibles such as wood and paper.
- Class B extinguishers are for use on flammable liquids like grease, gasoline and oil.
What is a B1 or B2 fire extinguisher?
CLASS C: Electrical fires
You can use water, or a Class A fire extinguisher, to put out this type of fire. Class B fires, on the other hand, have a flammable liquid fuel source, like gasoline. … The number after the B, for example a B1 or B2 extinguisher, indicates the capacity of the extinguisher.
What is inside a Class B fire extinguisher?
Because of this, Class A fire extinguishers use water, while Class B fire extinguishers use dry chemicals (foam or powder), such as aqueous film-forming foam, multi-purpose dry chemicals such as ammonium phosphate, and halogenated agents (such as Halon 1301 and Halon 1211) or highly pressurized carbon dioxide.
Which fire is Class B fire?
Class B are flammable liquids fires such as fuel, gasoline, kerosene, white-spirit… Class B are flammable gases fires such as ethanol, propane, butane, acetylene, hydrogen, methane…
What is an example of a Class C fire?
The Class C fire is defined as a fire that uses electrical components and/or energized equipment as its fuel source. Electrical fires are often fueled by motors, appliances, and electronic transformers. Electrical fires are common in industries that deal with energy or make use of heavy electrically-powered equipment.