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Fire Extinguishers
Fire extinguishers are used in homes, schools, businesses and boats as a way to put out a small fire. Fire extinguishers come in many types for different purposes, including portable or fixed systems. This category relates to the science, origins, operation, selection and standards for fire extinguishers.
1,462 Questions
What does a dry powder fire extinguisher put out?
Dry powder essentially "suffocates" a fire by displacing the oxygen necessary to maintain the flame. Which takes out one of the three vital things a fire needs, heat, oxygen and fuel.
Where should fire extinguishers be placed?
Depending upon the class of fire and size of extinguisher, if the extinguisher is portable it should be within 30, 50 or 75 feet of the fire hazard.
Look under specific classes of hazards or extinguishers to see which one applies.
How do you check weight CO2 fire extinguisher?
CO2 extinguishers are weighed with any scale that can accurately read pounds and ounces (or kilograms if you're in an area using metric). There should be a weight stamped on the cylinder or on the label that states what the weight should be full, and if it weighs less than that labeled weight, it needs to be recharged. Note that this weight should not be confused with the "size" of extinguisher. For example, a "10 pound CO2 extinguisher" is so-called because it holds 10 pounds of CO2. It's actual weight will be higher, due to the weight of the cylinder, valve, hose, etc. So it's essential to compare the actual weight t what the label says it should weigh full.
What class a fire extinguisher should be on board a vessel with a permanently installed fuel tank?
B-I or B-II are required.
What does the number in front of the b rating represent on a fire extinguisher?
Under the US standards for fire extinguisher testing and labeling, the number tells you approximately how many square feet of flammable liquid surface can be covered using the fire extinguisher properly. For example, 40B would mean 40 square feet.
Is an out of date fire extinguisher safe?
It's not dangerous, but could be useless. Eventually, they may lose their chrge. Check for expiration dates and follow insrtuctions .
What type of fire extinguisher to use on combustible fire?
Class D- Dry Chemical for fires in combustible metals such as sodium, magnesium, and potassium.
Is Fire Extinguisher a kind of gas?
Fire Extinguishers come in several different shapes, types, and sizes.
The most common extinguisher is an 'ABC' extinguisher, which contains a dry chemical powder which suppresses the fire, and disrupts the fire tetrahedron, which is necessary for any fire to exist (Fuel, Oxygen, Heat, Chemical Chain Reaction).
Class C(Electical fire) extinguishers often contain Carbon Dioxide(CO2), which is a gas. CO2 is used due it's non-conductive nature, and ability to remove oxygen from the fire tetrahedron.
Some fire systems employ the use of gases such as Halon, which is used in highly sensitive areas, such as computer server rooms, or areas where intricate equipment is used which would be damaged with the use of sprinkler systems or chemical fire suppressants.
Why can't water quench large fire?
It depends what the fuel source is ! Water can extinguish even large forest fires - if you use large enough quantities of it !
How do you write a business proposal on fire extinguishers?
You would need to fully understand the customer's needs, confirm that you have understood, and propose a way to satisfy those needs with a cost-effective and reliable solution, followed by professional maintenance and support.
Can you use a carbon dioxide fire extinguisher on paper?
Yes, however, you want to be careful that it doesn't blow burning paper all over the place spreading the fire.
Which class of fire extinguisher is used for various flammable metals?
Class D
Class D fire extinguishers are used for various types of flammable metals. A class D fire extinguisher can contain sodium chloride, graphite, or copper powder. A sodium chloride fire extinguisher would be used on metals containing magnesium, sodium, potassium, and sodium-potassium alloys. Copper and graphite fire extinguishers would be used for lithium and lithium alloy fires.
What size extinguisher is required on a pick up truck with a gasoline tank of less than 100 gallons?
There is no general requirement to have ANY fire extinguisher on a pickup truck.
What are georgias apartment requirements to have fire extinguisher?
All apartment complexs in the state of GA are required by law to have a functional fire extinguisher within 75 feet of each unit.
Why would it not be good to install water based fire extinguisher in the computer lab?
Because it is dangerous to use water to extinguish a fire involving electrical equipment. The water can conduct electricity to the person fighting the fire and electrocute them. One should use dry powder on electrical fires.
How much for a core of fire wood cost?
The price of a CORD of firewood will vary in different areas, and vary with the type of wood. Here in central Virginia it is $150-$200 per cord of seasoned oak or hickory firewood. A cord of wood is a stack 4 ft x 4ft x 8 ft.
The most IMPORTANT question is whether you and everyone else can get out safely or should leave the firefighting to trained professionals.
The next thing to consider is whether you have the right type of extinguisher and sufficient capacity for the amount of fire that will be present by the time you get to the fire extinguisher and back.
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Why is afff foam good for fire fighting?
I wouldn't agree that afff is good for fire fighting. Perhaps at one time it was, before there were more cost effective and environmentally friendly options on the market. There are now wetting agents such as Novacool UEF (Universal Extinguishing Foam) that are a much better option. This foam, which is UL listed and certified under NFPA 18, is used at 1/6 to 1/12 of the concentration of AFFF and is bio-degradable.
AFFF is most effective in a contained pool of Class B flammables but is not effective on 3 dimensional fires where Novacool UEF is.
AFFF is outdated technology and needs to be replaced by modern day technology.
What is recoverable depreciation?
Recoverable Depreciation may be recovered from the insurance company.
Recoverable depreciation usually refers to monies held back for repairs. In essence, once a claim has been filed, usually by phone on a 24 hour claim hotline, an adjuster from the insurance goes to the home that has been damaged, assesses the damage, mails the itemization breakdown of damages called a "Scope" to the claimant showing amount of money allowing for repairs. Sometimes a check is sent before the Scope is sent, sometimes with, and sometimes after. State Farm prints out a Scope along with a check on the spot the same day. The check will be an amount minus the deductible. The insurance company holds back the "Recoverable Depreciation" until proof that repairs has been completed is received. This proof usually comes from the contractor. However, proof may be accepted by the insurance company from the claimant with certain documentation requested by the insurance company provided by the contractor. Their are cases in which the insurance company will send both the initail repair check and recoverable depreciation together in one check. This may occur if the claimant owns the home with no mortgage company involved or the amount of both checks are small usually $5,000 or less. If the claim check issued by the insurance company is larger than $5000 the check may have the check issued to the claimant and the mortgage company. If this is the case, the claimant must send endorse the check over to the lender and the lender than will cash the check and mail their own check back to the claimant. This can take 1-4 weeks depending on the lender and location. With many insurance companies, if the claimant does not have the work done within a designated time, usually, 180 days from the date the damage occured, the recoverable depreciation may be lost.
The insurance companies argue that this is to protect the consumer when, more often than not, it serves to frustrate rather than help the claimant.
These monies are not to be confused with 'uncovered or disallowed' claims. Recoverable depreciation is "incentive" money that has already been determined as needed by the claimant to help with repairs. More times than not, the initial check is NOT enough to cover the total of repair and the claimant may be in a pickle if they cannot find a contractor to work with them on a partial payment and then reimbursed by the insurance company after completion of repairs.
Are fire extinguishers required in all risks per NFPA?
There is no NFPA requirement to have a fire extinguisher in a one- or two-family residence.
What is the best fire extinguisher for height voltage transformer?
the best fire extinguisher for high voltage is a c extinguisher because it can put out electrical fires
What precautions should be taken to minimize the risk of fire on board a ship?
The short answer is to always maintain routine vessel maintenance. Ensuring the vessel is clean, a preventive maintenance schedule is in effect and proper stowage of all hazmat, is a very good start. Of course a well trained and professional crew is needed first.
