Fire investigator - TCFP curriculum QUESTIONS AND VERIFIED ANSWERS LATEST UPDATE 2023

Fire investigator - TCFP curriculum QUESTIONS AND VERIFIED ANSWERS LATEST UPDATE 2023 What are some ways to identify a boat? - ANSWER Hull Identification Number (HIN) Registration numbers US Coast Guard documentation numbers Boat name and hailing port What are some common ignition sources on a boat? - ANSWER Open flames Electrical faults / overloads Mechanical (bearings, friction) Hot surfaces (exhaust, cooking, heating) Boats that are powered by gasoline have similar fuel systems to cars. What are the two main gasoline fuel systems? - ANSWER High pressure - fuel injected Lower pressure - carbuerated ALSO: Some boats are diesel, or even electric ONLY What are some cooking fuels found on boats? - ANSWER LPG CNG Solid fuels Alcohol Diesel What are sources of electrical energy on boats? - ANSWER Batteries Inverters Shore power What are some basic safety concerns when working on a boat? - ANSWER Confined spaces Airborn particles Fuel leaks Electricity Stability What are some basic concerns for complex investigations? - ANSWER Transportation Equipment Security Decon Environmental Communications Sanitation Trash removal Snow & Ice Lighting Evidence storage What are two natural causes of wildfires? - ANSWER Lighting Spontaneous heating What are some human causes of wildfires? - ANSWER Campsite Smoking Debris burning Glass refraction Incendiary Controlled burn Machines Railroad Juveniles Fireworks What are some utilities that can cause wildfires? - ANSWER Electrical Gas and oil drilling What are four search patterns? - ANSWER Segment Loop Grid Lane What are some types of suppression for wildfires? - ANSWER Class A foam Fire breaks Air drops Firing out What are the two main parts of a wildfire? - ANSWER Head Heel What are the three types of winds affecting wildfires? - ANSWER Meterological Diurnal Fire winds What are some ground fuels? - ANSWER Duff Roots Leaves Grass Dead wood Low brush What are some aerial fuels? - ANSWER Tree crowns Snags Moss High brush What are some fuel systems in vehicles? - ANSWER Gas - low pressure or high pressure, carb or fuel injected Diesel CNG/LPG Name some ignition sources in cars: - ANSWER Open flames Electrical problems Hot surfaces (exhaust, turbocharger) Mechanical sparks Smoking What is the difference between combustible liquids and flammable liquids? - ANSWER Combustible = flash point above 100 F Flammable = Flash point below 100 F Name some residential appliances that can cause a fire: - ANSWER Oven Coffee maker Toaster Can opener Refrigerator Dishwasher Microwave Space heater Electric blanket Air conditioner Hair dryer Iron Dryer Lighting What is an exemplar? - ANSWER It is an example / exact copy of the product or item burned in the fire. It is for testing purposes. What are some different explosion related injuries? - ANSWER Blast pressure Shrapnel Thermal (burns) Seismic effect injuries (building collapse) What are the degrees of burns? - ANSWER First, red skin Second, blisters Third, full thickness - burns all the way through the skin Fourth, charring of underlying tissue like muscle and fat What are methods of death in a fire? - ANSWER CO poisoning Hyperthermia (heat) Inhalation of hot gases Other toxins / soot / smoke Hypoxia (lack of oxygen) What are the fundamental issues of a death investigation? - ANSWER Remains / Victim identification Cause of death Manner of death Victim activity Postmortem changes What are the main motives for firesetting? - ANSWER Vandalism Excitement Revenge Crime concealment Profit Extremism What is vandalism firesetting? - ANSWER Willfull and malicious mischief - often pressured by groups or peers What is excitement firesetting? - ANSWER Thrill seeking