IAAI CFI Study Questions 2021with All Correct Answers

IAAI CFI Study Questions 2021with All Correct Answers 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