Fire Safety Chapter 6

A Class D fire should be extinguished using a:

Wind can limit the reach of the extinguishing agent after it is expelled when using a portable fire extinguisher.

What types of materials do Class B fires involve?

Which is a Class D combustible material?

An empty portable fire extinguisher should be:

Class C fires involve:

Which factor should be considered when selecting the appropriate type of extinguisher to use on a given fire?

Which type of extinguisher is intended to be used on a Class B fire?

Which material is a Class A combustible material?

Which method of fire extinguishment forms an oxygen-excluding soapy foam over the surface of the burning material?

After selecting the appropriate extinguisher to use on a fire, the firefighter should:

Where is a Class K fire likely to be found?

Every portable fire extinguisher must be labeled with:

When in position to attack the fire, what is the first step that should be taken when using a portable fire extinguisher?

In a(an) _____ extinguisher, compressed air or inert gas within the container forces the agent out of the extinguisher nozzle when the operator presses the handle.

Portable Fire Extinguishers

Class D fires are extinguished using a dry powder extinguisher, effective for combustible metals.
Wind can hinder the effectiveness of a portable fire extinguisher by limiting the range of the extinguishing agent.
Class B fires involve combustible liquids and gases, necessitating specific extinguishing methods.
Sodium is classified as a combustible material specific to Class D fires.
An empty portable fire extinguisher should be laid on its side to prevent damage and maintain safety.
Class C fires are related to energized electrical equipment, requiring non-conductive extinguishing agents.
The classification of the burning fuel is critical when selecting the appropriate fire extinguisher.
Aqueous film forming foam extinguishers are specifically designed for Class B fires.
Wood is a typical Class A combustible material, which includes ordinary combustible items.
Saponification is the extinguishment method that creates a soapy foam, excluding oxygen from the burning material's surface.
Firefighters must visually inspect the extinguisher after choosing the correct type for the fire before using it.
Class K fires, often associated with cooking oils and fats, are commonly found in restaurants.
Every portable fire extinguisher must be clearly labeled with specific letters and/or symbols that indicate the type of fire for which it is suitable.
The first action when using a portable fire extinguisher is to pull the pin and break any attached wire or seal.
Stored-pressure extinguishers utilize compressed air or inert gas to expel the extinguishing agent when the handle is pressed.