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.
Answer. heart. 0. mariejoepagaduan. The code B-1 on a fire extinguisher indicates that it should be used to put out fires due to flammable liquids like gasoline, oil, grease, etc. The number identifies the approximate range (in square feet) of flammable liquid fire that can be extinguished by an ordinary user.
What does the letter B on a B-1 fire extinguisher indicate? – Answers
B on fire extinguishers generally means that it can be used to put out flammable liquid fires. B1 means it will do so, but not especially well (1 is the lowest ranking).A is for flammable solids …
The letter "b" indicates it is effective against flammable liquid fires. Step-by-step explanation: The letters on fire extinguishers represents the class of fire for which they can be used. The letter "b" here indicate the b-1 extinguisher is effective against flammable liquid fires. These can be fires where cooking liquid , oil , gasoline , kerosene or paint.
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What does the B mean on a fire extinguisher?
The B indicates the fire extinguisher will put out Flammable liquid fires or burning fluids (such as grease or oil used for cooking). Class A extinguishers are good for paper, wood, textiles and plastics.
What do the numbers on a fire extinguisher mean?
The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and the amount of fire it will extinguish. Class B Extinguishers should be used on fires involving flammable liquids, such as grease, gasoline, oil, etc.
How does a fire extinguisher work?
Some fire extinguishers work by displacing oxygen gas using carbon dioxide, removing contact between the combustible material and oxygen, or cooling the surface to avoid re-ignition or spreading of flames.
What type of fire extinguisher should you use?
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.
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Classification Tip 2.5.1 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher