J.B learning Fire Investigator Final Exam Study guide exam questions and answers verified A+ tips

J.B learning Fire Investigator Final Exam Study guide exam questions and answers verified A+ tips 1. NFPA 921 is designed to produce a(n) framework to ensure an effective fire investigation and cause analysis. A. Encompassing B. Hypothetical C. Systematic D. Purposeful 2. Which of the following is it considered a failure analy- sis tool? A. Timelines B. egress analysis C.photographey D.hydraulic analysis 3. The process in which something is heated, causing the material to decay and produce fire gases, is known as: 4. Which type of explosion has a combustion reaction at slower than the speed of sound? Select one: A. Combustion explosion B. Detonation C. Chemical explosion • D. Deflagration v Chapter 16; Page 392; NFPA 1033: 4.2.9 5. The life of a fire is recorded at the scene in the form of: 6. Which of the following appliances is susceptible to fires caused by lint coming in contact with the heating element? a. Ceiling fan in a bathroom or kitchen b. Hair dryer c. Clothes dryer d. Refrigerator C. C. Pyrolysis Deflagration Fire patterns Clothes dryer 7. Which of the following is an important part in testing the hypothesis of a investigation? 8. Once an investigator has obtained permission from the incident commander to enter a fire scene, the next thing the investigator should do is: 9. During a joint fire investigation, who should be re- sponsible for protecting and controlling evidence? 10. Which of the following is not a circuit protection de- vice? 11. Which of the following is a technique for taking a sample of a possible ignitable liquid residue off the surface of suppression water? 12. Which of the following is not an important standard or source that an investigator should understand when dealing with fuel gas systems that are found in resi- dences or commercial occupancies? 13. If a fire cause is classified as undetermined, which of the following is true? 14. is about assigning responsibility, re- porting, or gathering statistics. Identifying the first fuel ignition Develop a safety plan An evidence cus- todian Current blocker Use a sterile cot- ton gauze pad and skim the surface of the water 29 CFR Part 311, EPA Standard for Natural Gas and Residential and Commercial Use Responsibility for some aspects of the fire may still be attributed. Classification 15. Wet, dry, and deluge are the four categories of. Water based sprinkler systems 16. When does the contamination of physical evidence most often occur? 17. During fire-ground suppression activi- ties All of the following are indicators that an appliance caused the fire being investigated, except: 18. The observable or measurable changes in or on a material as a result of exposure to fire are known as: 19. Depletion of oxygen below results in im- pairment of motor and mental skills and can be fatal to occupants. 20. Which of the following chemicals can be found at every fire scene and is a known carcinogen? 21. One of the first steps in the examination of a body should be: 22. The most common methods to document an interview include all of the following, except: 23. Which type of burn pattern is often created from a short-lived fire or one that involved a fuel package of low heat release? 24. The walls of a building are bulging, and a few large pieces of debris are nearby. This is an example of: 25. When should evidence be returned to the owner or disposed of? 26. A reaction that propagates at supersonic velocities and that cannot be vented because of its speed is known as: 27. What type of material should an investigator's tools, such as a shovel or chisels, be made of? carbon buildup on the conductors in or near the appli- ance. Fire effects 15 percent Benzene A full body x ray Video recording Inverted cone Low order damage When authorized in writing from all parties concerned in the investigation Detonation Steel