IAAI CFI 100 Study Questions (2024) questions compiled through the years

IAAI CFI 100 Study Questions (2024) questions compiled through the years Combustible Liquid - CORRECT ANSWER-A liquid with a flash point ABOVE 100F 12.5 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-The year of the first edition of NFPA 1033 1.5 times - CORRECT ANSWER-The recommended distance for securing the perimeter of a blast scene *That is, the distance from the furthest debris 1100°F - CORRECT ANSWER-What temperature in the upper gas layer causes the onset of Flashover? 1960°F - CORRECT ANSWER-The temperature at which copper melts 2 W/cm2 - CORRECT ANSWER-The measurement of the radiant heat flux (from gas layer to the floor) that indicates the onset of flashover 240 volts - CORRECT 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 - CORRECT ANSWER-The revision cycle for NFPA 921 (timespan) 350°F - CORRECT ANSWER-The flash point of power steering fluid 35-70 p.s.i. - CORRECT 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 - CORRECT ANSWER-The lower explosive and upper explosive limit of natural gas (methane)? 680°F - CORRECT ANSWER-The ignition temperature of power steering fluid