Fire Classes
The most common class. Ordinary combustibles.
Why do you ventilate a fire?
To remove heat and combustible gasses.
The first stage of fire development.
Ignition or incipient stage.
What is the first thing you do if you discover a fire.
What is Sound the alarm immediately. Notify all personnel in the area. Ensure fire has been dispatched.
These four things are required to have fire.
What is Fuel, Heat, Oxidizing agent, and Chemical chain reaction.
How can you venting a fire using existing openings.
What is Using doors and windows.
Stage of development when things get pretty hot. All flammable contents in the room ignite. This happens between 483-600 degrees Celsius.
What is a Flashover event.
During patrol you come across a motor vehicle fire. You have ensured there is no one in the vehicle. Fire has been dispatched. You decide to try and slow the fire down with your extinguisher in the trunk of your unit. What class of extinguisher would you be using?
What is a Class ABC extinguisher
Agent used to extinguish class K fire.
What is Wet Chemical.
What's going to happen to the fire after you vent.
What is it will intensify until fire fighting efforts have commenced.
If the fire in a space has plenty of heat but is lacking oxygen, what can happen if you open up the space.
What is a backdraft.
Where should the wind be in relation to you when you are fighting a fire or approaching a scene.
What is Blowing away from you. The wind should be on your back.
How Carbon Dioxide (C02) puts out a fire.
What is Smothers it.
Why do you close doors during a fire in a building.
What is to try and keep the fire confined to that area to allow fire fighting efforts to take place.
If fighting a small fire from the doorway. Where and how should you be standing?
What is down low and off to the side.
What is the acronym that helps you remember how to use a fire extinguisher?
What is PASS. Pull the pin. Aim at the base of the fire. Squeeze the handles together. Sweep the fire back and forth reaching 6-8 inches on each side of the fire.
Don't use water on this class or you could get a jolt.
What is Class C
What is the main reason why as a police officer you would consider venting a fire.
What is life safety.
Time it takes for an average compartment or room to reach flashover if all elements of the tetrahedron are present.
Approximately 3 minutes.
Carbon monoxide, Carbon dioxide, and Hydrogen cyanide
Name the Five most common ways to put out fire.
What is Cool it. Smother it. Remove the fuel. Break the chemical chain reaction and Saponification.