You should aim the nozzle, hose or horn (on a CO2) at the base of any fire because this is
where the fuel is
, and this is the part you need to extinguish to stop the fire from continuing. If you simply aim at the flames you will not stop the fire permanently and your extinguisher will be empty before the fire is out.
Why do we have to target the base of the fire during fire extinguishing?
Aim the extinguisher at the base of the fire.
Aiming at the flames will cause the flames to blow around
, allow it to spread and cause even more damage. But aiming at the base will extinguish it. … Sweep the nozzle from side to side to cover the area of the fire’s source until the fire is completely soused.
Where should you aim when fighting a fire?
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.
What is the base of the fire?
In military terminology, a base of fire is
a supporting force that provides overwatch and covering fire to other advancing units while they are executing fire and movement tactics
. A base of fire can be a platoon during company fire and movement, by individual armoured fighting vehicles (esp.
Why do you sweep the fire extinguisher from side to side?
Swipe from side to side to
cover all areas the fire may have spread to
. … Make sure to hold the fire extinguisher with the nozzle pointing AWAY from you, and keep your back towards a clear exit so you can easily exit if the fire becomes too dangerous.
What are the 3 methods of extinguishing a fire?
All fires can be extinguished by
cooling, smothering, starving or by interrupting the combustion process
to extinguish the fire. One of the most common methods of extinguishing a fire is by cooling with water.
When should you not use a fire extinguisher?
- Ignoring the instructions written of the fire extinguisher. …
- Using the wrong type of extinguisher for the wrong class of fire. …
- Rushing into a fire unprepared: …
- Trying to put out a big fire using several extinguishers one at a time.
What is Stage 1 of the 4 key stage of fire?
Stage One –
Ignition (Incipient)
The incipient stage is when it’s crucial to fight a fire because it is easiest to suppress it at this point, and it will cause the least damage. … Fire suppression systems allow you to suppress the fire right after ignition without needing a person to be present.
What is the first thing you should do if there is a fire?
- Know how to safely operate a fire extinguisher.
- Remember to GET OUT, STAY OUT and CALL 9-1-1 or your local emergency phone number.
- Yell “Fire!” several times and go outside right away. …
- If closed doors or handles are warm or smoke blocks your primary escape route, use your second way out.
What is the single most important factor to remember when fighting a fire?
In the event of a fire, we are all confronted
with the decision of whether to fight the flames with an extinguisher or evacuate the building immediately
. This is probably the most important decision you will face when a fire breaks out.
Should you have fire extinguisher at home?
Fire extinguishers should be kept on every level of your home
, as well as in the kitchen and garage. If a fire starts in your home, first and foremost, evacuate and call the fire department to report the fire. Once these two conditions have been met, you can use the fire extinguisher to try and put out the fire.
What are the different sizes of fire extinguishers?
- 2-A:10B:C – 4 lb.
- 3-A:40B:C – 5 lb.
- 4-A:60B:C – 10 lb.
- 10-A:80B:C – 20 lb.
What does pass means in fire extinguisher?
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.
Which class of fire extinguisher is recommended for putting out a paint fire?
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 fire extinguisher is most suitable for an electrical fire?
CO2 extinguishers
are mainly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires. CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn. This type of extinguisher has a black label.
Are fire alarms active or passive?
Some of these systems are automatic, such as a sprinkler system, and others may be manual, like a fire extinguisher. Fire alarms, smoke detectors, and even firefighters are all
considered active fire protection systems
.
