What are the methods used to fight the fire?
In order to fight a fire, you must take out any one of the fire elements. The most common method is to use water to put out the fire. The water takes away heat by cooling the fire. Water also smothers the fire, taking away oxygen.
What is used to fight forest fires?
Chemicals used to fight fires may include water, water enhancers, or specially-formulated fire retardants.
What are the 4 steps to fighting a fire?
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. …
Why is fire retardant pink?
‘ The pink fire retardants are meant to slow and prevent fire combustion. It is mixed with guar gum, a substance used in food processing, to increase the viscosity. The pink food dye is added later so firefighters can see where they have dropped it, with the substance designed to degrade in sunlight.
How do you use fire fighting equipment?
Using a fire extinguisher
- Pull: Pull the pin, this will break the tamper seal.
- Aim: Aim low, pointing the nozzle or hose at the base of the fire. …
- 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.
What is the red dust dropped on fires?
What is that red stuff that’s dropped from the sky when a wildfire breaks out? It’s flame retardant that firefighting crews use to control and contain wildfires. They don’t drop it directly onto flames; rather, firefighters anticipate where the fire might spread, and they drop the retardant ahead of the flames.
What do helicopters drop on fires?
Helicopters can hover over the fire and drop water or retardant. The S-64 Helitanker has microprocessor-controlled doors on its tank. The doors are controlled based on the area to be covered and wind conditions. Fixed-wing aircraft must make a pass and drop water or retardant like a bomber.
How do fire planes pick up water?
Sheehy: The way the aircraft picks up water, as it does not stop or suck it up, there’s no vacuum, it scoops it. And it scoops it through what you see here, two probes on either side of the keel of the aircraft, about the size of your hands put together, and as soon as you hit the water, they catch.