IAAI CFI Study 250+ Questions with 100% Complete Solutions

IAAI CFI Study 250+ Questions with 100% Complete Solutions Combustible Liquid - Answer- A liquid with a flash point ABOVE 100F 12.5 - Answer- 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? 1000 - Answer- 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 1987 - Answer- The year of the first edition of NFPA 1033 1.5 times - Answer- The recommended distance for securing the perimeter of a blast scene *That is, the distance from the furthest debris 1100°F - Answer- What temperature in the upper gas layer causes the onset of Flashover? 1960°F - Answer- The temperature at which copper melts 2 W/cm2 - Answer- The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover 240 volts - Answer- 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) 3 years - Answer- The revision cycle for NFPA 921 (timespan) 350°F - Answer- The flash point of power steering fluid 35-70 p.s.i. - Answer- In high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to pump fuel from a fuel tank 5 and 17 - Answer- The lower explosive and upper explosive limit of natural gas (methane)? 680°F - Answer- The ignition temperature of power steering fluid Fuel - Answer- Any substance that can undergo combustion Act or Omission - Answer- Two factors or situations leading to a fire that may show the nature of the incident responsibility. Additional Investigative Recommendations - Answer- This concept should not be included in a summary report of findings. Admiralty Law - Answer- A law that may govern the fire investigation of a boat After-market Equipment - Answer- A type of device in a vehicle, which can cause an electrical overload to factory installed wiring Alive and Breathing - Answer- 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? All Team Members - Answer- Those who have the responsibility for monitoring safety conditions at the fire or explosion scene 1220°F - Answer- The melting temperature of aluminum Aluminum-to-pavement sparks - Answer- 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 Heat Release Rate - Answer- A meaningful analysis of a fire requires an understanding of the fire growth, the total heat released, and WHAT? Arc-fault circuit interrupter - Answer- What does he term AFCI stand for? And, the "A" specifically represents what? ASTM - Answer- The organization that develops standard methods for testing materials Auto-ignition - Answer- Initiation of combustion by heat but without a spark or flame Backdraft - Answer- A deflagration resulting from the sudd