NAFI CFEI Study Guide With Complete Solutions

Evidence - Demonstrative - Answer Tangible items; see, touch, smell, hear. Evidence - Documentary - Answer Written form; business records, banking, calendars, phone records, fire reports, etc... Evidence - Testimonial - Answer Competent live witness speaking under oath; two types; fact and expert Evidence - illustrative - Answer Photos, sketches, maps, diagrams. Modes are frequently used at trial. Evidence - illustravtive - Answer Photos and Videos; what, why, how, when Evidence collection - Answer Document in place, document the collection, use proper container, (flag, bag, & tag) Evidence - collection - Answer Fuel gas powered tools outside the perimeter. Find out where tools were refuels. Heat transfer - Answer Conduction, convection, radiation Interviews - Answer Purpose of the interview; prepare for the interview, document the interview Vehicle Fires - Answer Sparks from an aluminum wheel are not a competent ignition source. Vehicle Fires - Answer The most common source of an open flame in a vehicle is an exhaust system backfire out of a carburetor. Vehicle Fires - Answer Carburetor backfire leaves a distinct pattern on the hood. Vehicle Fires - Answer Two basic fuel systems: vacuum/low pressure carbureted system, and high-pressure, fuel injected system. Vehicle Fires - Answer Loose battery connections; not over-current protected; loose connections can result in intermittent arcing. Vehicle Fires - Answer Power steering fluid: Flashpoint 347-356*F, autoignition 680- 720*F.