When extinguishing a fire you should turn your back

Face the fire and keep your back to the clear exit you earlier identified. You should stay between six and eight feet away from the flames as you prepare to operate the fire extinguisher.

When extinguishing a fire you should turn your back towards the fire exit?

Do not turn your back on a fire and keep your exit from the room open and accessible at all times. Extinguishers will work for approximately 30 seconds – if you have not put the fire out in that time – leave the area immediately.

Which direction do you aim when extinguishing the fire?

Aim at the base of the fire. If you aim at the flames (which is frequently the temptation), the extinguishing agent will fly right through and do no good. You want to hit the fuel. Squeeze the top handle or lever.

When extinguishing a fire you should face?

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. Sweep: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.

What are the four steps to extinguishing a fire?

1. Pull (Pin) Pull pin at the top of the extinguisher, breaking the seal. …
2. Aim. Approach the fire standing at a safe distance. …
3. Squeeze. Squeeze the handles together to discharge the extinguishing agent inside. …
4. Sweep.

What is the meaning of extinguishing fire?

to put out (a fire, light, etc.); put out the flame of (something burning or lighted): to extinguish a candle. to put an end to or bring to an end; wipe out of existence; annihilate: to extinguish hope. to obscure or eclipse, as by superior brilliance.

When extinguishing a fire you should *?

1. Pull the pin on the extinguisher.
2. Aim the extinguisher.
3. Squeeze the trigger or top handle.
4. Sweep the fire area with the extinguisher’s spray until the fire is completely out.

When using foam a Class B fire is extinguished by?

Foam extinguishes Class B Fires by covering the flammable liquid with a foam blanket, thus cutting off the oxygen supply from the combustion process. The water content of the foam will help lower the temperature of the flammable liquid.

When extinguishing a fire you should stand upwind or downwind?

Extinguisher Use Approach from upwind, wearing full protective equipment. Start about 8—10 feet from the fire, and position yourself so you can retreat if the extinguisher doesn’t do the job.

What should be done when the smoke alarm emits intermittent audible signals * removes the battery calls the fire department replace the battery Replace the smoke alarm?

6 Answer : c) The battery must be replaced when the smoke alarm emits intermittent audible signals. These signals indicate that the battery is too low. When moving the clock back or forward in the fall or spring, take the opportunity to test the battery and replace it as needed.

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How do water fire extinguishers work?

Water and Water Additive Fire Extinguishers work by spraying a jet of water at the fire, which extinguishes the flames and the burning materials, preventing the fire re-igniting.

Why are fire extinguishers important?

Fire extinguishers are extremely important as they are the most commonly used for of fire protection. In many cases they are a first line of defense and often contain or extinguish a fire, preventing costly damage.

What do you mean extinguish?

Definition of extinguish transitive verb. 1a(1) : to bring to an end : make an end of hope for their safety was slowly extinguished. (2) : to reduce to silence or ineffectiveness. b : to cause to cease burning : quench.

Which type of extinguishing agent is used to extinguish a Class B fire quizlet?

Halon 1301 and Halon 1211 are most commonly used as extinguishing agents for Class B and Class C fires.

When using a foam extinguisher where should you aim?

With the foam extinguisher on the ground a safe distance from the fire, remove the safety pin and break the tamper seal. Aim the hose at the base of the fire with one hand. Don’t aim for the flames, but instead for the base moving the jet across the area of the fire to cover the flammable liquid.

How is Class B fire extinguished?

Class B fires involve flammable liquids like oil, alcohol, or gasoline. … Class B fires should be extinguished using foam, powder, or carbon dioxide extinguishers, according to the Fire Equipment Manufacturer’s Association. These types of extinguishers work by cutting off a fire’s oxygen supply.

Which of the following is true when extinguishing a Class C fire?

If an extinguisher has a Class C rating, it means that the agent will not conduct electricity. But it is always best to disconnect the power source prior to fighting the fire. A Class C fire extinguisher is used to extinguish a fire that is caused by an energized electrical element.

How do you extinguish a fire with foam?

1. Separation effect: the foam blanket suppresses oxygen supply to the flammable material and prevents combustible evaporation.
2. Cooling effect: a lot of energy is required to transform water included in the foam blanket into vapour.

What should be done when the smoke alarm emits intermediate audible signals?

Answer : c) The battery must be replaced when the smoke alarm emits intermittent audible signals. These signals indicate that the battery is too low. When moving the clock back or forward in the fall or spring, take the opportunity to test the battery and replace it as needed.

What happens when smoke detector detects smoke?

The short answer. Smoke alarms detect fires by sensing small particles in the air using a couple of different kinds of technologies. Once they detect those particles above a certain threshold, they signal the alarm to sound so that you and your family can get to safety and call 911.

When must smoke detectors be replaced?

Every 10 years: Replace your smoke alarm. Smoke alarms do not last forever and the sensitivity in all smoke alarms will reduce over time. All types of smoke alarms should be removed, replaced and disposed of at least every 10 years.

What is the first thing you should do upon discovering a fire?

Anyone discovering a fire should raise the alarm immediately, regardless as to how small the outbreak is or how innocuous it appears to be. Fires can develop very quickly and every second counts.

What is the principle of fire extinguishing Class 8?

Fire extinguishing works on the principle of cutting off the supply of oxygen to the fire and bringing down the temperature.

When should you use a extinguisher?

technique (pull, aim, squeeze, sweep). Back away from an extinguished fire in case it flames up again. Evacuate immediately if the extinguisher is empty and the fire is not out.

What is Fireout?

1. Of a firearm or ballistic weapon, to discharge, propelling one or more projectiles outward. Of a bullet or other projectile, to discharge out of a firearm or ballistic weapon. … Bullets kept firing out from the machine guns.

What is a person who put out fire called?

The definition of a firefighter is a person who works at a fire department, either as a volunteer or by profession, who fights fires and rescues people and animals from fires. … A person who puts out fires.