TCFP FIRE INVESTIGATOR TEST /FIRE INVESTIGATOR-
MASTER FOR TCFP EXAM -
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A
What is a BLEVE? - ANSWER- Boiling Liquid Expanding Vapor Explosion
What are the basic types of explosions? - ANSWER- Mechanical Chemical Nuclear
Deflagration VS Detonation - ANSWER- Deflagration = less than the speed of sound Detonation = Greater than the speed of sound, more than 1,100 FPS
What are the characteristics of Low order damage? - ANSWER- Slow pressure rise, pushing, bulging damage
What are the characteristics of high order damage? - ANSWER- Rapid pressure rise, shattering, pulverizing
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What is a seated explosion? - ANSWER- Explosion with a crater of damage. Generally characterized by high pressure and rapid pressure rise. Explosives, steam boilers, and highly confined fuel gases.
What is a nonseated explosion? - ANSWER- Dispersed or diffused fuels with moderate pressure rise and subsonic (less than the speed of sound) velocities.
What is a backdraft? - ANSWER- Smoke explosion from an oxygen deprived fire. Oxygen is introduced to the room mixes with the fuels and ignites and burns fast enough to produce low-order damage.
What are some common high explosives? - ANSWER- TNT ANFO RDX PETN
What are some incendiary fire indicators? - ANSWER- Multiple Fires Trailers Lack of expected fuel load (fire damage not consistent with existing fuel) Lack of expected ignition sources Exotic accelerants Unusual fuel load or configuration Burn injuries 2 / 4
Incendiary devices
Other factors not directly related to combustion, but still indicators of
incendiary fire: - ANSWER- Remote locations with blocked view
Fires near service equipment and appliances Removal/Replacement of contents prior to fire Blocked entry Sabotage to the structure or fire protection Opening windows and exterior doors
What are some Evidentiary factors to consider? - ANSWER- Geographical (clusters) Temporal frequency Materials and methods (using the same firesetting method) Financial stress History of code violations Fires at additional properties, same owner Overinsured property
What are some timed opportunities? - ANSWER- Natural conditions (flood, hurricains, etc) Civil unrest Fire Dept unvailible
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What are motives for firesetting? - ANSWER- Vandalism Excitement Revenge Crime Concealment Profit Extremism
Carbon monoxide poisining causes what color of the skin? - ANSWER- Cherry-pink
What are the different degrees of burns? - ANSWER- 1st degree, reddening of the skin 2nd degree, blistering 3rd degree, full-thickness damage to skin 4th degree, damage to fat/muscle and charring of tissue
What should you document on an appliance in the area of origin? - ANSWER- Controls Bonding/grounding Position of moving parts Clocks Power supply Fuel supply (gas)
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