IAAI CFI EXAM TESTBANK AND STUDY
QUESTIONS ACTUAL EXAM LATEST
2025/2026 COMPLETE REAL QUESTIONS
AND CORRECT DETAILED ANSWERS
(CORRECT VERIFIED ANSWERS) A NEW
UPDATED VERSION |GUARANTEED PASS
A+ (FULL REVISED EXAM)
A liquid with a flash point ABOVE 100F - ANSWER-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? - 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 - ANSWER-1000
The year of the first edition of NFPA 1033 - ANSWER-1987
,The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris - ANSWER-1.5 times
What temperature in the upper gas layer causes the onset of Flashover? -
ANSWER-1100°F
The temperature at which copper melts - ANSWER-1960°F
The measurement of the radiant heat flux (from gas layer to the floor) that
indicates the onset of flashover - ANSWER-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) - ANSWER-240 volts
The revision cycle for NFPA 921 (timespan) - ANSWER-3 years
The flash point of power steering fluid - 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 - ANSWER-35-70 p.s.i.
,The lower explosive and upper explosive limit of natural gas (methane)? -
ANSWER-5 and 17
The ignition temperature of power steering fluid - ANSWER-680°F
Any substance that can undergo combustion - ANSWER-Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. - ANSWER-Act or Omission
This concept should not be included in a summary report of findings. - ANSWER-
Additional Investigative Recommendations
A law that may govern the fire investigation of a boat - ANSWER-Admiralty Law
A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring - ANSWER-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?
- ANSWER-Alive and Breathing
Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene - ANSWER-All Team Members
, The melting temperature of aluminum - 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 - ANSWER-Aluminum-to-pavement sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT? - ANSWER-Heat Release Rate
What does he term AFCI stand for? And, the "A" specifically represents what? -
ANSWER-Arc-fault circuit interrupter
The organization that develops standard methods for testing materials - ANSWER-
ASTM
Initiation of combustion by heat but without a spark or flame - ANSWER-Auto-
ignition
A deflagration resulting from the sudden introduction of air into a confined space
containing oxygen-deficient products of incomplete combustion - ANSWER-
Backdraft
QUESTIONS ACTUAL EXAM LATEST
2025/2026 COMPLETE REAL QUESTIONS
AND CORRECT DETAILED ANSWERS
(CORRECT VERIFIED ANSWERS) A NEW
UPDATED VERSION |GUARANTEED PASS
A+ (FULL REVISED EXAM)
A liquid with a flash point ABOVE 100F - ANSWER-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? - 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 - ANSWER-1000
The year of the first edition of NFPA 1033 - ANSWER-1987
,The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris - ANSWER-1.5 times
What temperature in the upper gas layer causes the onset of Flashover? -
ANSWER-1100°F
The temperature at which copper melts - ANSWER-1960°F
The measurement of the radiant heat flux (from gas layer to the floor) that
indicates the onset of flashover - ANSWER-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) - ANSWER-240 volts
The revision cycle for NFPA 921 (timespan) - ANSWER-3 years
The flash point of power steering fluid - 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 - ANSWER-35-70 p.s.i.
,The lower explosive and upper explosive limit of natural gas (methane)? -
ANSWER-5 and 17
The ignition temperature of power steering fluid - ANSWER-680°F
Any substance that can undergo combustion - ANSWER-Fuel
Two factors or situations leading to a fire that may show the nature of the incident
responsibility. - ANSWER-Act or Omission
This concept should not be included in a summary report of findings. - ANSWER-
Additional Investigative Recommendations
A law that may govern the fire investigation of a boat - ANSWER-Admiralty Law
A type of device in a vehicle, which can cause an electrical overload to factory
installed wiring - ANSWER-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?
- ANSWER-Alive and Breathing
Those who have the responsibility for monitoring safety conditions at the fire or
explosion scene - ANSWER-All Team Members
, The melting temperature of aluminum - 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 - ANSWER-Aluminum-to-pavement sparks
A meaningful analysis of a fire requires an understanding of the fire growth, the
total heat released, and WHAT? - ANSWER-Heat Release Rate
What does he term AFCI stand for? And, the "A" specifically represents what? -
ANSWER-Arc-fault circuit interrupter
The organization that develops standard methods for testing materials - ANSWER-
ASTM
Initiation of combustion by heat but without a spark or flame - ANSWER-Auto-
ignition
A deflagration resulting from the sudden introduction of air into a confined space
containing oxygen-deficient products of incomplete combustion - ANSWER-
Backdraft
