Fire Investigator Study guides, Class notes & Summaries

As fire Investigation is a very specialized type of investigation, it is generally not necessary or even desirable to establish relationship with other agencies. - ANSWER False What NFPA standard bears the title; standard for professional Qualifications for Fire Investigations? - ANSWER NFPA 1033 You can be the smartest best trained and most experienced fire and arson investigator in the free world, and if you can't put your findings down on a paper in the form of a ________, you have a p...

Fire effects include what? - ANSWER Demarcations, surface effects, victim injuries Chipping or pitting of concrete or masonry surfaces is called what? - ANSWER Spalling What is a clean burn? - ANSWER Distinct or visual fire effect generally apparent on noncombustible surfaces after the combustible layer burns away. What makes the deepest burn marks on floors? - ANSWER solids What variables influence burn patterns? - ANSWER Ventilation, Physical configuration of the room, available fu...

The two most common methods of documenting an interview are to: - ANSWER tape record and take written notes page 295 The solicitation of relevant and useful information in a statement should begin: - ANSWER during the preparation for the interview Which is a suggested procedure when interviewing one who must be approached with caution? - ANSWER Conduct the interview with minimal distractions The least preferred method of documenting information obtained during an interview is: - ANSWER ...

An investigation is a process that seeks? - ANSWER The Truth An unusually colored flame: - ANSWER Can indicate the presence of an atypical chemical Burn injuries are of ________ interest to the fire investigator. - ANSWER Definite Documenting the initiation of ventilation and attack lines is important to the investigator because: - ANSWER these can change the direction of fire travel Each department may have different reporting criterial, but, ideally, all fire departments will parti...

Fire effects include what? - ANSWER Demarcations, surface effects, victim injuries Chipping or pitting of concrete or masonry surfaces is called what? - ANSWER Spalling What is a clean burn? - ANSWER Distinct or visual fire effect generally apparent on noncombustible surfaces after the combustible layer burns away. What makes the deepest burn marks on floors? - ANSWER solids What variables influence burn patterns? - ANSWER Ventilation, Physical configuration of the room, available fu...

What type of evidence is glass? - ANSWER class evidence Information to guide an investigation can be obtained from? - ANSWER reports, records, and other databases, the internet and social media, the victim, and the suspect Walk through investigation - ANSWER serves to establish the nature of the offense and any evidence needing to be collected. physical evidence - ANSWER evidence that can be touched, seen, or otherwise perceived using the unaided senses or using forensic techniques. ...

What are fire patterns? - ANSWER Visible or measurable physical changes or identifiable shapes formed by a fire effect or group of fire effects Appliances such as an electric range, dryer or water heater are often applied with what size wire? - ANSWER 6, 8, or 10 AWG Common household wiring is? - ANSWER 14 and 12 AWG if it is copper. Aluminum conductors melt in any fire and solidify into irregular shapes meaning they have - ANSWER Low melting temperatures According to ANSI Z535.4 pro...

Define Forensic: - ANSWER Having to do with court Define Physical Evidence: - ANSWER Any physical or tangible item that tends to prove or disprove a fact or issue Define Exemplar Equipment: - ANSWER Similar equipment to compare, take apart or test Define Evidence Chain of Custody - ANSWER The flow of evidence. When does the preservation of evidence at a fire scene begin? - ANSWER Begins during fire suppression

The electrical term, arc, is defined as: - ANSWER a high temperature luminous electric discharge across a gap or through a medium page 204 The design that shows the size and arrangement of service entrance, switches, outlets, and electrical appliances is the: - ANSWER electrical drawing page 195 What is the allowable ampacity of common copper wire, size 8? - ANSWER 40 amps page 196 Many jurisdictions have enacted statutes requiring that information be released to public officials ...

Scientific Method - ANSWER Recognize the problem Define problem Collect data Analyze data Develop hypothesis Test hypothesis Select final hypothesis 4 critical data points for determining origin of a fire - ANSWER Witness interviews Fire patterns Arc mapping Fire dynamics Means of testing hypothesis - ANSWER Cognitive Through experiments Physical testing Reference literature Fire model Appliance examination Building construction types - ANSWER Type 1 Fire resist...