What is the operating lever on a fire extinguisher?
Operating lever: the lever is the metal piece that can be pressed or squeezed to operate the extinguisher. However, the operating lever will not be able to be pressed/squeezed unless the pull pin has first been removed.
What is the correct sequence for operating a cartridge fire extinguisher?
Since there is a pressure cartridge, you’ll need to activate the cartridge first, which immediately adds pressure to the inside of the extinguisher. Once the cartridge has been activated, you can then aim, squeeze, and sweep to extinguish the flames.
What is the first step in operating a fire extinguisher?
Approach the fire standing at a safe distance. 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.
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.
When should you use a fire extinguisher?
When do you use a fire extinguisher?
- After the fire alarm has been raised and the building/area evacuation has commenced.
- The fire is not between you and your escape route.
- The fire is in its very early stages, small in size, contained, and only requires one fire extinguisher.
What is the best defense against fire?
As always, the best defense against a fire is to be prepared. Take a moment to look at your fire extinguisher.
Which is the correct sequence operation?
The correct answer is A, Pull, Aim, Squeeze, Sweep.
What is a class B type fire?
Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.
When you have finished using an extinguisher?
You’ll have to remove a locking mechanism of some kind (usually a pin) , aim at the base of the fire, and activate (usually by squeezing s lever/handle). When you are finished with the extinguisher, do not place it back in it’s holder – lie it down – this is recognized as a sign the extinguisher is “dead”.
What are the four steps to be followed in the event of a fire?
In the event of a fire, the following steps should be taken to ensure the safety of all building occupants:
- Activate the fire alarm.
- Call 911 immediately and provide information.
- Assist injured personnel or notify emergency responders of the medical emergency.
- Exit the building following emergency maps.
What are the 2 things to checked before using a fire extinguisher?
Examine the extinguisher for obvious physical damage, corrosion, leakage, or clogged nozzle. Confirm the pressure gauge or indicator is in the operable range or position, and lift the extinguisher to ensure it is still full. Make sure the operating instructions on the nameplate are legible and facing outward.