IAAI CFI Study Questions (2022/2023) Already Passed

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IAAI CFI Study Questions (2022/2023) Already Passed A liquid with a flash point ABOVE 100F ✔✔Combustible Liquid If the current flowing out from an electrical panel is 12.5 amps, and it then flo... ws through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? ✔✔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 ✔✔1000 The year of the first edition of NFPA 1033 ✔✔1987 The recommended distance for securing the perimeter of a blast scene *That is, the distance from the furthest debris ✔✔1.5 times What temperature in the upper gas layer causes the onset of Flashover? ✔✔1100°F The temperature at which copper melts ✔✔1960°F The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover ✔✔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) ✔✔240 volts The revision cycle for NFPA 921 (timespan) ✔✔3 years The flash point of power steering fluid ✔✔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 ✔✔35-70 p.s.i. The lower explosive and upper explosive limit of natural gas (methane)? ✔✔5 and 17 The ignition temperature of power steering fluid ✔ [Show More]

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