Miscellaneous
Timeline
Periodic Questions
Systems and Devices
Definitions and Terms
100

This is the third leading cause of accidental death.

What is fire?

100

The absence of soot or a very faint coating indicates an explosion happened at this point of a fire.

What is early in a fire?

100

These are the chemicals used in regular dry chem systems.

What are Potassium and Sodium Bicarbonate?

100

This type of detector will automatically reset by itself.

What is a bi-metallic detector?

100

This term indicates the minimum temperature at which combustion occurs without an ignition source.

What is the Auto Ignition Point?

200
This is the maximum travel distance for a class A fire extinguisher.

What is 75 feet?

200

The presence of heavy soot/ varnish on splinters of gas indicate an explosion happened when?

What is late in the fire?

200

These chemicals will auto ignite.

What are Phosphorous, sulfur and carbon?

200

This device measures specific gravity. (Water reads as 1.0)

What is a Hydrometer?

200

This term refers to liquids that do not mix.

What is immiscible?

300

When establishing a preliminary perimeter, the distance form the apparent seat to the farthest discovered fragment should be multiplied by this number.

What is 1.5?

300
During this phase of a fire, most of the remaining evidence is destroyed or displaced thereby reducing its interpretive value.

What is Overhaul?

300

Flourine, Chlorine, bromine iodine and astatine make up this family.

What is the Halogen Family?

300

On a wet pipe system with an alarm valve, the inspector should open this to test the alarm without unseating the valve.

What is an Alarm Bypass Valve?

300
This term refers to types of oils that will not generate enough heat to spontaneously combust.

What are Lubrication Oils?

400

A green wire indicates that the wire is this.

What is a ground wire?

400

Before beginning the actual search for evidence, you should inspect this first.

What is the exterior of the structure?

400

This possesses the least density of all substances.

What is Hydrogen?

400

This is the normal temperature to activate a sprinkler head.

What is 165 degrees F?

400

This term refers to a chemical reaction that produces heat.

What is an Exothermic Reaction?

500

This is the most critical form of communication on the part of the investigator.

What are Written Reports?

500

This group maintains custody and control of the scene until the investigation is complete.

What is the Fire Department?

500

A Blue Flame of Natural Gas reflects almost complete conversion to these and generates very little CO.

What are CO2 and H2)?

500

This is the frequency that Halon extinguishers should be tested.

What is bi-annually?

500

This term refers to a very rapid oxidation with the evolution of heat and lights as well as the generation of a very low intensity pressure wave but can cause serious structural damage to a building.

What is Deflagration?

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