IAAI CFI Exam Questions With Verified Answers Latest Update 2024/2025 | Graded A+.

IAAI CFI Exam Questions With Verified Answers Latest Update 2024/2025 | Graded A+. A liquid with a flash point ABOVE 100F - correct answers Combustible Liquid If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? - correct answers 12.5 If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts - correct answers 1000 The year of the first edition of NFPA 1033 - correct answers 1987 The recommended distance for securing the perimeter of a blast scene *That is, the distance from the furthest debris - correct answers 1.5 times IAAI CFI Exam Questions With Verified Answers Latest Update 2024/2025 | Scored A+ What temperature in the upper gas layer causes the onset of Flashover? - correct answers 1100°F The temperature at which copper melts - correct answers 1960°F The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover - correct answers 2 W/cm2 The voltage between the two hot wires at the service entrance cables in most single-family residences in the United States (single-phase service with three wires) - correct answers 240 volts The revision cycle for NFPA 921 (timespan) - correct answers 3 years The flash point of power steering fluid - correct answers 350°F In high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to pump fuel from a fuel tank - correct answers 35-70 p.s.i. The lower explosive and upper explosive limit of natural gas (methane)? - correct answers 5 and 17 The ignition temperature of power steering fluid - correct answers 680°F Any substance that can undergo combustion - correct answers Fuel Two factors or situations leading to a fire that may show the nature of the incident responsibility. - correct answers Act or Omission This concept should not be included in a summary report of findings. - correct answers Additional Investigative Recommendations A law that may govern the fire investigation of a boat - correct answers Admiralty Law A type of device in a vehicle, which can cause an electrical overload to factory installed wiring - correct answers After-market Equipment Evidence of smoke or soot in the lungs, bronchi, and trachea is one of the most significant factors in confirming that, at the time of the fire, the victim was WHAT? - correct answers Alive and Breathing Those who have the responsibility for monitoring safety conditions at the fire or explosion scene - correct answers All Team Members The melting temperature of aluminum - correct answers 1220°F Which one of these is NOT considered a competent ignition source? Metal-to-metal sparks, Aluminum-to-pavement sparks, Metal-to-pavement sparks, Motor bearing sparks - correct answers Aluminum-to-pavement sparks A meaningful analysis of a fire requires an understanding of the fire growth, the total heat released, and WHAT? - correct answers Heat Release Rate What does he term AFCI stand for? And, the "A" specifically represents what? - correct answers Arc-fault circuit interrupter The organization that develops standard methods for testing materials - correct answers ASTM Initiation of combustion by heat but without a spark or flame - correct answers Auto-ignition A deflagration resulting from the sudden introduction of air into a confined space containing oxygen-deficient products of incomplete combustion - correct answers Backdraft An explosion caused by a combination of combustible materials heated to the ignition point and a sudden introduction of oxygen to support combustion - correct answers Backdraft A boat device that owners fail to keep clean, which is a frequent cause of engine compartment fires on boats - correct answers Backfire Flame Arrestor A device on a fluorescent light fixture that transforms the voltage from normal household voltage to a higher voltage - correct answers Ballast The starter motor draws its energy from this source - correct answers Battery The burden of proof in a criminal trial - correct answers Beyond a Reasonable Doubt The component that controls temperature in many heat-producing appliances - correct answers Bimetallic Thermostats This may occur when the vapor pressure of a liquid exceeds atmospheric pressure *And this is the most common mechanical explosion - correct answers BLEVE The temperature or point at which the vapor pressure of a liquid equals the external pressure applied - correct answers Boiling Point The process of electrically connecting two or more conductive objects - correct answers Bonding Most engine fires typically penetrate the interior compartment at this location of the vehicle - correct answers Bottom Passenger Side of the Windshield An investigator can closely examine this component of a cord to determine if it was plugged into a receptacle - correct answers Brass Prongs (male ends) The chemical and physical changes that occur in gypsum wallboard surfaces during a fire - correct answers Calcination A narcotic gas that one might be exposed to in the fire - correct answers Carbon Monoxide The levels of this toxin dissipate over time after removal from the fire environment. - correct answers Carbon Monoxide This toxic condition does NOT cause a cherry-pink coloration to the skin of the fire victim and is NOT visible on all skin types - correct answers Carbon Monoxide Poisoning This occurrence is the most common open-flame ignition source in non-fuel injected vehicles - correct answers Carburetor Backfire When the fire plume reaches the ceiling of a room and moves laterally along the ceiling - correct answers Ceiling jet An item in the home that burns at a peak HRR of kW, which is hotter than a pool of gasoline or a polyurethane chair - correct answers Christmas Tree This occurs when intense radiated heat or direct flame contacts a surface during the fire, burning away deposits - correct answers Clean Burn This is a fire effect to furniture that does NOT provide the investigators with clues concerning the type of ignition source, but can show fire spread and intensity - correct answers Collapsed Furniture Springs A fire characteristic that is NOT necessarily an accurate indicator of the flame temperature - correct answers Color This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each other - correct answers Color Codes