IAAI CFI Study Questions (2021) EXAM
QUESTIONS (256 TERMS) WITH VERIFIED
DEFINITIONS UPDATED 2024
1). Combustible liquid
Ans: A liquid with a flash point ABOVE 100F
2). 12.5
Ans: 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?
3). 1000
Ans: 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
4). 1987
Ans: The year of the first edition of NFPA 1033
5). 1.5 times
Ans: The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
6). 1100°f
Ans: What temperature in the upper gas layer causes the onset of Flashover?
7). 1960°f
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, Ans: The temperature at which copper melts
8). 2 w/cm2
Ans: The measurement of the radiant heat flux (from gas layer to the floor) that
indicates the onset of flashover
9). 240 volts
Ans: 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)
10). 3 years
Ans: The revision cycle for NFPA 921 (timespan)
11). 350°f
Ans: The flash point of power steering fluid
12). 35-70 p.s.i.
Ans: In high-pressure fuel-injected vehicles, this is the typical range of pressure that is
used to pump fuel from a fuel tank
13). 5 and 17
Ans: The lower explosive and upper explosive limit of natural gas (methane)?
14). 680°f
Ans: The ignition temperature of power steering fluid
15). Fuel
Ans: Any substance that can undergo combustion
16). Act or omission
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, Ans: Two factors or situations leading to a fire that may show the nature of the
incident responsibility.
17). Additional investigative recommendations
Ans: This concept should not be included in a summary report of findings.
18). Admiralty law
Ans: A law that may govern the fire investigation of a boat
19). After-market equipment
Ans: A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring
20). Alive and breathing
Ans: 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?
21). All team members
Ans: Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene
22). 1220°f
Ans: The melting temperature of aluminum
23). Aluminum-to-pavement sparks
Ans: 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
24). Heat release rate
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, Ans: A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT?
25). Arc-fault circuit interrupter
Ans: What does he term AFCI stand for? And, the "A" specifically represents what?
26). Astm
Ans: The organization that develops standard methods for testing materials
27). Auto-ignition
Ans: Initiation of combustion by heat but without a spark or flame
28). Backdraft
Ans: A deflagration resulting from the sudden introduction of air into a confined space
containing oxygen-deficient products of incomplete combustion
29). Backdraft
Ans: An explosion caused by a combination of combustible materials heated to the
ignition point and a sudden introduction of oxygen to support combustion
30). Backfire flame arrestor
Ans: A boat device that owners fail to keep clean, which is a frequent cause of engine
compartment fires on boats
31). Ballast
Ans: A device on a fluorescent light fixture that transforms the voltage from normal
household voltage to a higher voltage
32). Battery
Ans: The starter motor draws its energy from this source
Beyond a reasonable doubt
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