fire investigator final Games and activities

fire investigator final Questions And Answers ________ can resist serious fires with their thick, almost noncombustible bark. - Giant redwoods ________ can vastly complicate the investigation of a fire scene. - Any of these ________ constitute the most vulnerable portion of the main structure of any building during a fire situation. - Ceilings ________ flames are small flames that are associated with candles, and the zones of high fuel concentration, dissociation (reducing), mixing, and combustion are well defined in layers. - Laminar ________ fuels make the deepest burn patterns on floors. - Solid ________ is a record of the existence and whereabouts of an item from the time it is discovered to the moment it is yielded to the court. - Chain of custody and Chain of evidence only ________ is a surface exposed to pyrolysis products and then heated to a temperature that burns the products off. - Clean burn ________ is not a true petroleum distillate, but rather a blended product. - Gasoline ________ is the destruction or material alteration of, or failure to save, evidence. - Spoliation of evidence ________ is the dominant mechanism by which fire gases move. - Buoyant flow ________ is the ignition of the hot gas layer. - Flameover ________ is the most critical component of ordinary fires, because it is essential for combustion. - Oxygen ________ is used as an odorant in propane. - Ethyl mercaptan ________ is when fresh air is drawn into the base of the fire to keep the reaction going. - Entrainment ________ make up most of the hazardous concerns for fire investigators. - Liquids ________ will form fire patterns. - All of these A ________ stream is more effective in most interior attacks and does much less damage than the other types. - fog A fire flashing upward through the leaves of a tree is called crowning. - t A firestorm is caused by the convection currents of a large fire. - t A smoldering combustion can continue even in an oxygen-deficient atmosphere below: - 5%. A smoldering fire is characterized by the absence of ________ but the presence of very hot materials. - flames A(n) ________ can occur when vapors, dust, or gases are premixed with an appropriate amount of air. - explosion combustion An example of an element is: - All of these. An exothermic reaction is: - heat-producing. An independent, qualified investigator examining the evidence can arrive at the same opinions as the documenting investigator if: - systematic documentation was used. An integral part of every fire is the ________ process. - transfer of heat Analysis of the ________ may reveal the mechanical state of the engine or transmission. - oil Antifreeze is not considered to be a combustible product. - f Diesel fuel is most similar to: - kerosene. Direct flame contact is a combination of both ________ and ________ mechanisms. - convective; radiative Documentation is essential for forming the basis of: - All of these. During a wildland fire, the term ________ is used when the fire is moving laterally at right angles to its major direction of progression. - flanking Every fire scene must be considered a possible ________ until clear proof is found that the fire was ________. - crime scene; accidental Failure of a fluid-filled container due to overpressure caused by a source of extreme heating is often called a: - BLEVE