Tcfp Fire Investigator Practice Exam Questions With Correct Detailed Answers | Already Graded A+Recent Version

TCFP FIRE INVESTIGATOR PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+RECENT VERSION 1. lpha radiation - answer bounces off clothing a 2. beta radiation - answer penetrates clothing 3. gamma radiation - answer penetrates clothing and skin 4. parts of hazmat placard - answer yellow - instability 5. red - flammability 6. blue - health 7. oxidation - answer chemical reaction involving the combination of oxygen with other materials 8. exothermic - answer chemical reaction in which energy is primarily given off in the form of heat 9. endothermic - answer (of a chemical reaction or compound) occurring or formed with absorption of heat 10. fire is an exothermic reaction called: - answer combustion 11. combustion releases energy in the form of: - answer heat or light 12. - answer moment when a mixture of fuel and oxygen encounter an external heat source with sufficient head energy to start the combustion reaction. 13. autoignition - answer occurs without any external flame or spark to ignite the fuel gases or vapors 14. potential energy - answer energy possessed by an object that may be released 15. kinetic energy - answer energy possessed by a moving object 16. btu - answer british thermal unit 17. btu is used to measure: - answer heat 18. resistance heating - answer when electrical current flows through a conductor, heat is produced 19. overcurrent - answer when the current flowing through a conductor exceeds its design limits. 20. arcing - answer high-temperature luminous electric discharge across a gap or through a medium such as charred insulation. 21. sparking - answer when an electric arc occurs luminous particles can be formed and spatter away from the point of arcing. 22. conduction - answer the direct transfer of heat from one substance to another substance that it is touching. 23. convection - answer transfer of heat energy from a fluid to a solid surface or between two fluids. 24. radiation - answer transmission of energy as an electromagnetic wave 25. fuel controlled fire - answer fire limited by the amount of combustibles 26. ventilation controlled fire - answer fire limited by the amount of oxygen 27. mass spectrometry - answer further analyzes the individual components after gas chromatography 28. point of origin - answer exact physical location where a heat source and fuel come together and a fire begins 29. area of origin - answer the room or area where the fire began 30. recommended procedure for origin determination - answer preliminary scene assessment preliminary fire spread scenario development indepth exterior examination indepth interior examination fire scene reconstruction fire spread scenario report 31. competent ignition source - answer one that has sufficient energy, temperature, and time to raise the fire fuel to its ignition temperature 32. four elements of determining a fire cause - answer ignition source fuel first ignited oxidixer present ignition sequence 33. four classification of cause: - answer accidental natural incendiary undetermined 34. bleve - answer boiling liquid expanding vapor explosion 35. basic types of explosions: - answer mechanical chemical nuclear 36. seated explosion - answer explosion with a crater of damage 37. nonseated explosion - answer dispersed or diffused fuels with moderate pressure rise and subsonic velocities 38. backdraft - answer smoke explosion from an oxygen deprived fire. oxygen is introduced to the room and mixed with fuel and ignites and burns fast enough to produce low order damage. 39. what are some timed opportunities? - answer natural conditions civil unrest fire department unavailable 40. motives for fire setting - answer vandalism excitement revenge crime concealment profit extremism 41. carbon monoxide poisoning causes what color of the skin? - answer cherry pink 42. what are the degree of burns? - answer 1, 2, 3, 4 43. what should you document on an appliance in the area of origin? - answer controls bonding/grounding position of moving parts clocks power supply fuel supply 44. what identifying information should you get for each appliance? - answer manufacturer model number serial number date of manufacture name of product warnings recommendations 45. what do fluorescent lights and hid lights have in common? - answer they have ballasts which can fail and cause a fire 46. what are the two basic fuel systems in a car? - answer low pressure - 3-5 psi carborated high pressure - 35-70 psi fuel injected 47. wildfires have what two types of fuels? - answer ground and ariel fuels 48. what are some ways to identify a boat? - answer hull identification number registration numbers us coast guard documentation numbers boat name and hailing port 49. what are the two main gasoline fuel systems? - answer high pressure - fuel injected low pressure - carbuerated