Safety Training: Fire Extinguisher Safety

Which extinguishing agent is most effective in fighting a fire where vegetable cooking oil is burning?

Wet chemical

What fire class would combustibles, such as burning wood, paper, plastic or other materials that leave ashes, be part of?

Class A

What fire class would involve flammable gases, solvents, paints, or other items that would boil or bubble?

Class B

What classes of fire does a carbon dioxide (CO2) fire extinguisher effectively fight, and how does it extinguish a fire?

Class B and Class C fires - cools and smothers

What fire class would electrical equipment or items that carry current be part of?

Class C

You work in a machine shop around fine metal shavings. What is the most effective type of fire extinguisher to have nearby?

Class D, dry chemical specialty powder

Vegetable oil has ignited in a deep fat fryer. What class of fire is it?

Class K

Which of the following statements is true?

Fire extinguishers must be in locations that are never blocked or hidden, readily accessible, immediately available, and along a normal travel path

Which fire extinguisher would be most effective when fighting a fire where wood, paper, and flammable liquids are burning?

Foam or ABC dry chemical

A small fire is burning in your workspace. You have been trained and your facility EAP authorizes you to use a fire extinguisher. The fire is small and contained, it doesn't appear to be spreading, there is no smoke, and the fire is located in the corner (it does not block you from the exit). You know that the materials burning in the fire are paper and wood, and you have a Class A extinguisher immediately available to you. However, your instincts tell you to get out. Should you choose to fight this fire?

No, it is not safe to fight this fire

Which of the following should you do after extinguishing a fire?

Notify the appropriate individual or department responsible for fire extinguisher maintenance

You have decided to fight a small fire in your office. You select the proper fire extinguisher. Before you can start using the extinguisher, you must:

Pull the pin to unlock the extinguisher

If a fire extinguisher's label has multiple letters on it, it indicates that:

The extinguisher satisfies the requirements of both or all of those letter classes

An extinguisher that is labeled 5A:25B indicates that:

The extinguisher will cover 25 square feet (7.62 square meters) of Class B fires

An extinguisher that is labeled 10A:100B:C indicates that:

The extinguishing agent is the equivalent of 12.5 gallons of water on Class A fires

Fires are divided into classifications based on:

The type of materials that are on fire (what is fueling the fire)

A small fire is burning right in front of the exit from your workspace. You have been trained and your facility EAP authorizes you to use a fire extinguisher. There isn't much smoke, the fire is small and contained, it doesn't appear to be spreading, and you have identified an alternate escape route. You've determined that it is a Class A fire, and you have an ABC dry chemical fire extinguisher immediately available. Should you choose to fight this fire?

Yes, it is safe to fight this fire

Before deciding to fight a fire, what should you always do?

You should do all of the above

Which of the following are factors you must consider before choosing to fight a fire?

Your facility's EAP fire fighting policies, the fire fighting equipment available to you, the quality of the air where the fire is burning, the size of the fire, and where the exit is located