IAAI CFI Study Questions (2024) With Verified Solutions.

IAAI CFI Study Questions (2024) With Verified Solutions. A liquid with a flash point ABOVE 100F - answerCombustible 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? - answer12.5 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 - answer1000 The year of the first edition of NFPA 1033 - answer1987 The recommended distance for securing the perimeter of a blast scene *That is, the distance from the furthest debris - answer1.5 times What temperature in the upper gas layer causes the onset of Flashover? - answer1100°F The temperature at which copper melts - answer1960°F The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover - answer2 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) - answer240 volts The revision cycle for NFPA 921 (timespan) - answer3 years The flash point of power steering fluid - answer350°F In high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to pump fuel from a fuel tank - answer35-70 p.s.i. The lower explosive and upper explosive limit of natural gas (methane)? - answer5 and 17 The ignition temperature of power steering fluid - answer680°F Any substance that can undergo combustion - answerFuel Two factors or situations leading to a fire that may show the nature of the incident responsibility. - answerAct or Omission This concept should not be included in a summary report of findings. - answerAdditional Investigative Recommendations A law that may govern the fire investigation of a boat - answerAdmiralty Law A type of device in a vehicle, which can cause an electrical overload to factory installed wiring - answerAfter-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? - answerAlive and Breathing Those who have the responsibility for monitoring safety conditions at the fire or explosion scene - answerAll Team Members The melting temperature of aluminum - answer1220°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 - answerAluminum-to-pavement sparks A meaningful analysis of a fire requires an understanding of the fire growth, the total heat released, and WHAT? - answerHeat Release Rate What does he term AFCI stand for? And, the "A" specifically represents what? - answerArc- fault circuit interrupter The organization that develops standard methods for testing materials - answerASTM Initiation of combustion by heat but without a spark or flame - answerAuto-ignition A deflagration resulting from the sudden introduction of air into a confined space containing oxygen-deficient products of incomplete combustion - answerBackdraft An explosion caused by a combination of combustible materials heated to the ignition point and a sudden introduction of oxygen to support combustion - answerBackdraft A boat device that owners fail to keep clean, which is a frequent cause of engine compartment fires on boats - answerBackfire Flame Arrestor A device on a fluorescent light fixture that transforms the voltage from normal household voltage to a higher voltage - answerBallast The starter motor draws its energy from this source - answerBattery The burden of proof in a criminal trial - answerBeyond a