What factor determines the type of fire extinguisher?
What would determine the type of fire extinguisher used would be the class of fire it is.
Which situation indicates a small fire for which it may be appropriate to use a portable fire extinguisher?
It is appropriate to use portable fire extinguisher when the room temperature is only slightly increased. In addition, one must decide to use portable fire extinguisher to fight a small fire only if the room is not filled with smoke and the fire is not growing.
What are the 4 steps in using a fire extinguisher?
Select the appropriate type of fire extinguisher. Discharge the extinguisher within its effective range using the P.A.S.S. technique (pull, aim, squeeze, sweep). Back away from an extinguished fire in case it flames up again.
What is the first thing to know about fire extinguishers?
The first thing to know about fire extinguishers is that you must be trained and authorized to use one in an emergency. The point is that most people have never used one and it takes some training and practice to use one properly.
What is ABC type fire extinguisher?
ABC Fire Extinguishers use monoammonium phosphate, a dry chemical with the ability to quickly put out many different types of fires by smothering the flames. This pale, yellow powder can put out all three classes of fire: Class A is for trash, wood, and paper. Class B is for liquids and gases.
What are the 4 types of fires?
Classes of fire
- Class A – fires involving solid materials such as wood, paper or textiles.
- Class B – fires involving flammable liquids such as petrol, diesel or oils.
- Class C – fires involving gases.
- Class D – fires involving metals.
- Class E – fires involving live electrical apparatus. (
What is class ABCD fire?
There are four classes of fires: Class A: Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.
What is an example of a Class C fire?
A Class C fire is the burning of flammable gases, which can be very dangerous and highly explosive. These include gases such as butane and propane in gas canisters, which you’d expect to find in certain building trades. You will also find these with gas camping stoves and gas barbeques.
What is the best extinguisher for Class C fire?
Carbon Dioxide fire extinguishers
Which extinguisher is most appropriate for a Class C fire?
“C” ELECTRICAL EQUIPMENT Fire extinguishers with a Class C rating are suitable for fires in “live” electrical equipment. Both monoammonium phosphate and sodium bicarbonate are commonly used to fight this type of fire because of their nonconductive properties.
Will water put out an alcohol fire?
If you add water to your alcohol stove, the fire will go out. In fact, this is a good way to simmer on an alky stove: add a capful of water at a time until desired flame height is reached. The water will boil off and you have to keep adding more so it is tedious, but it works.
Can water make a fire worse?
3. Do NOT pour water on the fire! Since oil and water do not mix, pouring water can cause the oil to splash and spread the fire even worse. In fact, the vaporizing water can also carry grease particles in it, which can also spread the fire.
Can you use fire extinguisher on electrical fire?
Electrical fires are very common in both homes and industrial settings. If possible, you should try to extinguish the flames using a carbon dioxide or dry powder fire extinguisher. If and when the power source is disconnected, the fire can become a different class of fire, typically Class A.
Which two types of fire extinguishers should you never use on an electrical fire?
Water fire extinguishers are NOT suitable for electrical fires as water is a conductor and you are at risk of electrocution if used on this type of fire. They are also NOT suitable for flammable liquids or flammable metal fires as it will not extinguish the fire.
Which fire extinguisher should be used in the event of an electrical fire?
class C fire extinguisher
What is the most effective method of extinguishing an electrical fire?
Use baking soda. Baking soda contains sodium bicarbonate, an ingredient in Class C fire extinguishers. If a small appliance (like a toaster) catches on fire, you can put it out by smothering the flames with this kitchen staple.
Can flour put out an electrical fire?
Sprinkle baking soda or salt on the grease. This will quickly absorb it and will put out the fire out at its source. You can also use a fire extinguisher on a grease fire, but DO NOT use water or flour. Flour can make it worse and water does not mix with oil, hence it would only cause the fire to spread.
Which extinguisher is most suitable for oil fires?
Wet Chemical fire extinguishers