IAAI CFI EXAM LATEST 2025 UPDATE WITH COMPLETE
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS
100%GUARANTEED PASS CHAMBERLAIN UNIVERSITY
The year of the first edition of NFPA 1033 Correct answer ✅ -1987
The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris Correct answer ✅ -1.5 times
What temperature in the upper gas layer causes the onset of Flashover? Correct
answer ✅ -1100°F
The temperature at which copper melts Correct answer ✅ -1960°F
The measurement of the radiant heat flux (from gas layer to the floor) that indicates
the onset of flashover Correct answer ✅ -2 W/cm2
A liquid with a flash point ABOVE 100F Correct answer ✅ -Combustible
Liquid
pg. 1
,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? Correct answer ✅ -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 Correct answer ✅ -1000
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) Correct answer ✅ -240 volts
The revision cycle for NFPA 921 (timespan) Correct answer ✅ -3 years
The flash point of power steering fluid Correct answer ✅ -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 Correct answer ✅ -35-70 p.s.i.
pg. 2
,The lower explosive and upper explosive limit of natural gas (methane)? Correct
answer ✅ -5 and 17
The ignition temperature of power steering fluid Correct answer ✅ -680°F
Any substance that can undergo combustion Correct answer ✅ -Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. Correct answer ✅ -Act or Omission
This concept should not be included in a summary report of findings. Correct
answer ✅ -Additional Investigative Recommendations
A law that may govern the fire investigation of a boat Correct answer ✅ -
Admiralty Law
A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring Correct answer ✅ -After-market Equipment
pg. 3
, 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? Correct answer ✅ -Alive and Breathing
Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene Correct answer ✅ -All Team Members
The melting temperature of aluminum Correct answer ✅ -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 Correct answer ✅ -Aluminum-to-pavement sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT? Correct answer ✅ -Heat Release Rate
pg. 4
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS
100%GUARANTEED PASS CHAMBERLAIN UNIVERSITY
The year of the first edition of NFPA 1033 Correct answer ✅ -1987
The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris Correct answer ✅ -1.5 times
What temperature in the upper gas layer causes the onset of Flashover? Correct
answer ✅ -1100°F
The temperature at which copper melts Correct answer ✅ -1960°F
The measurement of the radiant heat flux (from gas layer to the floor) that indicates
the onset of flashover Correct answer ✅ -2 W/cm2
A liquid with a flash point ABOVE 100F Correct answer ✅ -Combustible
Liquid
pg. 1
,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? Correct answer ✅ -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 Correct answer ✅ -1000
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) Correct answer ✅ -240 volts
The revision cycle for NFPA 921 (timespan) Correct answer ✅ -3 years
The flash point of power steering fluid Correct answer ✅ -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 Correct answer ✅ -35-70 p.s.i.
pg. 2
,The lower explosive and upper explosive limit of natural gas (methane)? Correct
answer ✅ -5 and 17
The ignition temperature of power steering fluid Correct answer ✅ -680°F
Any substance that can undergo combustion Correct answer ✅ -Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. Correct answer ✅ -Act or Omission
This concept should not be included in a summary report of findings. Correct
answer ✅ -Additional Investigative Recommendations
A law that may govern the fire investigation of a boat Correct answer ✅ -
Admiralty Law
A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring Correct answer ✅ -After-market Equipment
pg. 3
, 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? Correct answer ✅ -Alive and Breathing
Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene Correct answer ✅ -All Team Members
The melting temperature of aluminum Correct answer ✅ -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 Correct answer ✅ -Aluminum-to-pavement sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT? Correct answer ✅ -Heat Release Rate
pg. 4
