Portable fire extinguishers should be chosen based on the: type of fuel that is burning. What classification of portable fire extinguisher is used for fires that involve combustible liquids and gases?
Which statement best describes portable fire extinguisher selection?
Which statement BEST describes portable fires extinguisher selection? The correct extinguisher will minimize risk to life and property.
How do you select and safely use portable fire extinguishers?
When using an extinguisher, use the PASS system – Pull, Aim, Squeeze, Sweep.
- Pull the pin on the extinguisher.
- Aim the extinguisher.
- Squeeze the trigger or top handle.
- Sweep the fire area with the extinguisher’s spray until the fire is completely out.
How do you select the appropriate fire extinguisher?
Classes of Fires and Ratings
Every household extinguisher is labeled A, B, or C, which tells you the types of fires the extinguisher is effective against. A is ordinary combustibles like wood, paper, and cloth; B is flammable liquids, such as gasoline or cooking oil; and C is live electricity.
How are portable fire extinguishers identified?
According to NFPA, extinguishers suitable for Class A fires should be identified by a triangle containing the letter “A.” If in color, the triangle should be green. Class B fire extinguishers are used for flammable liquid and gas fires such as oil, gasoline, etc.
What classification of portable fire extinguisher is used for fires that involve combustible liquids?
Class B. Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.
Which type of fires should you fight with a portable fire extinguisher OSHA?
The employer shall distribute portable fire extinguishers for use by employees on Class B fires so that the travel distance from the Class B hazard area to any extinguisher is 50 feet (15.2 m) or less.
When should you use a portable fire extinguisher?
Small, fully contained fires are usually safe to fight with a portable fire extinguisher. Large, uncontained fires are not safe to fight. Any fire involving highly flammable or hazardous materials isn’t safe to fight.
How do you operate a portable CO2 fire extinguisher?
Aim: Aim low, pointing the nozzle or hose at the base of the fire. Do not touch the horn on a CO2 extinguisher, it gets very cold and can damage the skin. Squeeze: Squeeze the handle to release the extinguishing agent. Sweep: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.
Where should fire extinguishers be placed?
The extinguishers should be placed in areas that are accessible within seconds. Place them in easy-to-grab spots, near exits. The National Fire Protection Association recommends having at least one fire extinguisher on every floor of the home. The first location should be the kitchen.
What does 4A 80B C mean?
Amerex B456 – 10 lb ABC Fire Extinguisher 4A:80B:C
ABC or Multi-Purpose Fire Extinguishers can be used on Class A, B, or C fires. Class A: Wood, Paper, cloth, trash, plastics (solids that are not metals). Class B: Flammable Liquids-Gasoline, oil, grease, acetone (includes flammable gases).
What is the reference standard for portable fire extinguishers?
NFPA 10-13 – Standard for Portable Fire Extinguishers (Special Order)
How would you determine if a portable fire extinguisher has been inspected and maintained properly?
check for visible dents or cracks in the extinguisher body. check that the extinguisher is in its proper location and mounted correctly. check for modifications that might reduce the extinguisher’s functionality. make sure that the fire extinguisher has a label and that is is legible.
How many classes of fire are identified for portable extinguishers?
* Extinguishers suitable for more than one of the three classes of fire defined above may be identified by multiple symbols (ABC). Generally the extinguishing agent is referred to as DRY CHEMICAL.