Aim the nozzle or outlet towards the base of the fire. Squeeze the handles together to discharge the extinguishing agent inside. To stop discharge, release the handles. Sweep the nozzle from side to side as you approach the fire, directing the extinguishing agent at the base of the flames.
What are the operating procedures of a fire extinguisher?
A: Aim the extinguisher nozzle on the hose low, toward the base of the fire. S: Squeeze the handle or lever to discharge the extinguisher. S: Sweep the nozzle back and forth. Keep the fire extinguisher aimed at the base of the fire and move it from side to side until the flames are extinguished.
What is the operating time of most portable fire extinguishers?
The approximate discharge time for 10 to 20 pounds of dry chemical ranges from 10 to 25 seconds.
What is SOP safety?
A Safe Operating Procedure (commonly known as an SOP) i s a written plan. of a project, test, or experiment that assesses its potential hazards and. explains how the hazards have been el iminated or minimized.
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. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.
What is the first step in the pass application method of operating a portable 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 portable fire extinguishers are suitable for?
The most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on Class A, B, and C fires. This agent also works by creating a barrier between the oxygen element and the fuel element on Class A fires. Ordinary dry chemical is for Class B and C fires only.
Which extinguisher is most appropriate for a Class C fire?
Powder extinguishers are a good multi-purpose fire extinguisher because they can be used on Class A, B and C fires.