NAFI Test exam 2023 with 100% correct answers

The basic methodology of the fire investigation should rely on the use of a ______________________ and attention to all relevant details. a. systematic approach b. approximation approach c. methodology approach d. general approach a. systematic approach With few exceptions, the proper methodolgy for a fire or explosion investigation is to first _____________________ then investigate the cause, circumstances, conditions, or agencies that brought the ignition source, fuel, and oxidant together. a. determine responsibility b. determine and establish origin(s) c. determine if it is a criminal action d. all of the above b. determine and establish origin(s) The process of determining the origin, cause, development, and responsibility as well as the failure analysis of a fire or explosion is the definition of _________________________. a. fire investigation b. fire scene reconstruction c. fire evaluation d. fire analysis d. fire analysis The process of determining the origin, cause, and responsibility for a fire or explosion is ___________________________. a. fire analysis b. fire investigation c. fire scene survey d. fire evaluation b. fire investigation The _____________________ is the systematic pursite of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of a hypothesis. a. scientific method b. scientific examination c. scientific survey d. scientific theory a. scientific method ____________________ are the visible or measurable physical effects that remain after a fire. These include thermal effects on materials, such as charring, oxidation, consumption of combustibles, smoke and soot deposits, distortion, melting, color changes, changes in character of materials, structural collapse, and other effects. a. Fire arrows b. Fire pointers c. Fire patterns d. Flammable patterns c. Fire patterns Distortion, breakage, deterioration, or other fault in an item, component, system, assembly, or structure that results in unsatisfactory performance of the function for which it was designed is called ________________. a. broken b. distorted c. failure d. faulty c. failure Vehicle fire inspections may present many other situations that pose safety hazards to the investigator. These can include: a. fuel leaks b. expelled lubricants c. electrical energy stored in the battery d. all of the above d. all of the above The burn or damage patterns remaining on the body panels and in the interior of the vehicle are primarily used to locate the ______________________. a. origin of the fire b. potential ignition sources c. fuel loads d. all of the above d. all of the above