IAAI CFI 250+ QUESTIONS AND ANSWERS
COMPILED 2024-2025 NEW GEN
VERIFIED AND SOLVED 100% FOR THE
IAAI CFI CERTIFICATION TEST
A liquid with a flash point ABOVE 100F Ans✔✔- Combustible Liquid
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? Ans✔✔- 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 Ans✔✔- 1000
The year of the first edition of NFPA 1033 Ans✔✔- 1987
The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris Ans✔✔- 1.5 times
What temperature in the upper gas layer causes the onset of Flashover? Ans✔✔- 1100°F
,The temperature at which copper melts Ans✔✔- 1960°F
The measurement of the radiant heat flux (from gas layer to the floor) that indicates the
onset of flashover Ans✔✔- 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) Ans✔✔- 240 volts
The revision cycle for NFPA 921 (timespan) Ans✔✔- 3 years
The flash point of power steering fluid Ans✔✔- 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 Ans✔✔- 35-70 p.s.i.
The lower explosive and upper explosive limit of natural gas (methane)? Ans✔✔- 5 and 17
The ignition temperature of power steering fluid Ans✔✔- 680°F
Any substance that can undergo combustion Ans✔✔- Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. Ans✔✔- Act or Omission
This concept should not be included in a summary report of findings. Ans✔✔- Additional
Investigative Recommendations
A law that may govern the fire investigation of a boat Ans✔✔- Admiralty Law
A type of device in a vehicle, which can cause an electrical overload to factory installed
wiring Ans✔✔- After-market Equipment
, 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? Ans✔✔- Alive and
Breathing
Those who have the responsibility for monitoring safety conditions at the fire or explosion
scene Ans✔✔- All Team Members
The melting temperature of aluminum Ans✔✔- 1220°F
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 Ans✔✔- Aluminum-to-pavement sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the total heat
released, and WHAT? Ans✔✔- Heat Release Rate
What does he term AFCI stand for? And, the "A" specifically represents what? Ans✔✔- Arc-
fault circuit interrupter
The organization that develops standard methods for testing materials Ans✔✔- ASTM
Initiation of combustion by heat but without a spark or flame Ans✔✔- Auto-ignition
A deflagration resulting from the sudden introduction of air into a confined space containing
oxygen-deficient products of incomplete combustion Ans✔✔- Backdraft
An explosion caused by a combination of combustible materials heated to the ignition point
and a sudden introduction of oxygen to support combustion Ans✔✔- Backdraft
COMPILED 2024-2025 NEW GEN
VERIFIED AND SOLVED 100% FOR THE
IAAI CFI CERTIFICATION TEST
A liquid with a flash point ABOVE 100F Ans✔✔- Combustible Liquid
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? Ans✔✔- 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 Ans✔✔- 1000
The year of the first edition of NFPA 1033 Ans✔✔- 1987
The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris Ans✔✔- 1.5 times
What temperature in the upper gas layer causes the onset of Flashover? Ans✔✔- 1100°F
,The temperature at which copper melts Ans✔✔- 1960°F
The measurement of the radiant heat flux (from gas layer to the floor) that indicates the
onset of flashover Ans✔✔- 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) Ans✔✔- 240 volts
The revision cycle for NFPA 921 (timespan) Ans✔✔- 3 years
The flash point of power steering fluid Ans✔✔- 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 Ans✔✔- 35-70 p.s.i.
The lower explosive and upper explosive limit of natural gas (methane)? Ans✔✔- 5 and 17
The ignition temperature of power steering fluid Ans✔✔- 680°F
Any substance that can undergo combustion Ans✔✔- Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. Ans✔✔- Act or Omission
This concept should not be included in a summary report of findings. Ans✔✔- Additional
Investigative Recommendations
A law that may govern the fire investigation of a boat Ans✔✔- Admiralty Law
A type of device in a vehicle, which can cause an electrical overload to factory installed
wiring Ans✔✔- After-market Equipment
, 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? Ans✔✔- Alive and
Breathing
Those who have the responsibility for monitoring safety conditions at the fire or explosion
scene Ans✔✔- All Team Members
The melting temperature of aluminum Ans✔✔- 1220°F
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 Ans✔✔- Aluminum-to-pavement sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the total heat
released, and WHAT? Ans✔✔- Heat Release Rate
What does he term AFCI stand for? And, the "A" specifically represents what? Ans✔✔- Arc-
fault circuit interrupter
The organization that develops standard methods for testing materials Ans✔✔- ASTM
Initiation of combustion by heat but without a spark or flame Ans✔✔- Auto-ignition
A deflagration resulting from the sudden introduction of air into a confined space containing
oxygen-deficient products of incomplete combustion Ans✔✔- Backdraft
An explosion caused by a combination of combustible materials heated to the ignition point
and a sudden introduction of oxygen to support combustion Ans✔✔- Backdraft
