When selecting an extinguisher, some important factors to consider include: Extinguishers intended for certain types of hazards may not be effective against fires of a different hazard class. For example, extinguishers rated BC will not be able to control a Class A fire.
What factors should be considered when selecting a fire extinguisher?
To ensure that you buy a right application, you have many factors to consider, including where to install each canister, type you need, classes, size and much more. Including all these factors to choose and install right fire extinguisher, you also need to consider fire extinguisher capacity.
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.
What are the four steps to follow when using any fire extinguisher?
The acronym PASS is used to describe these four basic steps.
- Pull (Pin) Pull pin at the top of the extinguisher, breaking the seal. …
- Aim. Approach the fire standing at a safe distance. …
- Squeeze. Squeeze the handles together to discharge the extinguishing agent inside. …
What are the four steps of the pass application method for portable fire extinguishers?
It’s easy to remember how to use a fire extinguisher if you can remember the acronym PASS, which stands for Pull, Aim, Squeeze, and Sweep. Pull the pin. This will allow you to discharge the extinguisher. Aim at the base of the fire.
What is portable fire extinguisher?
Portable fire extinguishers function by releasing an extinguishing agent intended to cool the fuel, remove or displace the oxygen, or stop the chemical reaction. Fire extinguishers can put out or control a fire until help arrives.
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.
What is a requirement for fire extinguishers on a boat?
The Coast Guard requires boats to have at least one B-1 marine fire extinguisher on board. Depending on the size of your boat you may need more than one. Boats less than 26′ have to have at least one B-1 fire extinguisher on board. Boats 26′-40′ need to have at least two B-1 fire extinguishers on board.
What three elements are required for a fire to burn and be sustained?
Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.
How does fire extinguishers is operated to extinguish fire?
In the heat of a fire, it releases a cloud of carbon dioxide that smothers the fire. That is, the gas drives oxygen away from the fire, thus stopping the chemical reaction.
What two steps are part of the PASS method?
P.A.S.S. the Fire Extinguisher
- Aim: Aim the nozzle of the fire extinguisher low at the base of the fire.
- Squeeze: Squeeze the trigger you just pulled the pin out of. Remember to squeeze it slowly and evenly, so it is as effective as possible.
- Swipe: Swipe from side to side to cover all areas the fire may have spread to.
Which of the following portable fire extinguishers can be used on a small paper fire?
A water extinguisher is also known as a Class A extinguisher and can be used for fires involving plastics, papers, wood, rubber, and cloth.