Arson, Fire & Explosions Flashcards
Where is the evidence for the cause of the fire usually?
In the fire damaged area
What are most fires and explosions a result of?
Combustion
What is arson?
Setting fire with criminal intent
What three things does fire need?
Heat, fuel and oxygen
What is the term used for activation energy of a fire?
Ignition temperature
When does smoke occur?
When there is incomplete combustion
What are the three classifications of fire?
Natural, accidental and deliberate
What is another name for deliberate fires?
Incendiary fires
What are most natural fires caused by?
Lightning strikes
What is needed for direct ignition?
A spark or flame to come into direct contact with the fuel
What is the most important knowledge about a fire?
The origin
What are the four indicators of arson?
Presence of an accelerant, elimination of natural and accidental causes, fire trails and multiple points of origin.
What is the difference between a fire and an explosion?
The rate of reaction
What are the two types of explosives?
Low explosives and high explosives
What is the difference between low and high explosives?
The detonation rate. Below and above 3280fps respectively.
