Question | Answer |
What is oxidation | Something reacting w/oxygen for new product |
Example of oxidation | Rusty nail |
What is combustion | Oxidation releasing heat and light |
Examples of combustion | kerosene/fuel oil |
What are the 3 part of the fire triangle? | Fuel, oxygen, heat |
What burns? What physical phase can readily burn? | gases or vapors burn |
What can give a boost to a combustion reaction? | Electric spark or match lighting |
What does exothermic mean? | Hot-high energy |
What does endothermic mean? | Cold-very little energy |
What is flashpoint? | When liquid gives off vapor to burn |
What does lean and rich mean? | Lean-too little fuel - rich-too much fuel |
What is thermobaric? | fuel/air explosion |
Give an example of a fuel-air type accident? | Propane or methane explosion |
Give an example of spontaneous combustion? | Hay fire/Linseed oil caused by bacteria break down. |
How does a FSC cigarette work? | Fire safe paper |
Give an example of glowing combustion? | Campfire coals or burning cigarette |
What is pyrophoric? | Solids that will burn (flint) |
Why do fires slow down at night? | Lower temps at night/loss of heat |
What is the best accelerant detector at an arson scene? | Dogs |
A detector that will point out the presence of an eccelerant vapors but cannot identify the specific accelerant used? | Hydrocarbon Detector |
What lab instrument is used to analyze accelerants? | Gas Chromatograph Mass Spectrometer (GCMS) |
What is pyrolosis? | Changing of solid to gas by heat |
Give example of engineered pyrolosis? | Cigarette |
What is the difference between professional and Amateur cremation? | Time and Temperature |
What is deflagration? | Fast burning |
Why so explosive react so fast? | Provide their own oxygen |
Who made nitroglycerin safer to use? | Alfred Nobel |
Is gunpowder a high or low explosive? | low |
Other example of low explosive? | Sugar and Potassium Chloride |
What is hypergolic? | Used to start an arson fire (delayed chemical fire starter) |
Name 3 things that kill in explosives? | shock wave, thermal (heat), shrapnel |
Give example of primary high explosive? | Lead Azide/Lead Stiffnate |
Give example of secondary high explosive? | TNT, Dynomite, Nitroglycerin |
What is Phoenix's most famous bombing case? | Don Boles |
What is TATP made out of? | Peroxide, Acetone |
Give examples of common bomb making materials? | Toaster, watch, cell phone, wires |
What type of search is used for bomb scene evidence? | Grid Search |
Give example of field explosive detection test? | Color test, microscope, dog, Ion Mobility Spectrometer |
What is/are organic explosives tests? | IR and GC |
What is In-organic explosive test? | xray analysis |
What is a taggant? | Substance, such as a mixture of microscopic pieces of multilayered colored plastic, that is added to an explosive to indicate its source of mfg. |
Why are we limited on liquid volumes in flight? | 3-1-1 rule to eliminate liquid explosives on flights |
What type of explosive was used in the Oklahoma City bombing? | barrels filled with diesal fuel and other chemicals |
Who was the unibomber? | Ted Kazinski |
Who was Eric Rudolf? | Olympic bomber |
What type of bomb was used at the Boston Marathon? | Pipe bomb/pressure cooker |
Name 3 fire stages? | Incipient(growth), free burning(development), smoldering(decay) |
How can you determine the origin and cause of fire? | burn patterns, electrical or melted areas, heavy burned areas |
Name on indicator of arson/ | Eccelerants, gas cans |
What is an eccelerant? | Liquid used to start a fire |
Name a common arson eccelerant? | gasoline |
What is IMS? | Ion Mobility Sprctro (sniffs out explosives) |
What is IED? | Improvise Explosive Device |
What exploded at Pepcon in Henderson NV? | One of 2 plants producing Ammonium Perchlorate (AP)oxidizer used in Rocket Boosters for space shuttle |
Texas City Explosion 04/16/1947 | The deadliest comm'l/industrial accident in history (Ammonium Nitrate) |