IAAI CFI Study Guide Questions with Detailed
Verified Answers
Question 1:Two factors or situations leading to a fire that may show the nature of the incident
responsibility.
Act or Omission
Answer:
Question 2:This concept should not be included in a summary report of findings.
Additional
Answer: Investigative Recommendations
Question: A liquid with a flash point ABOVE 100F Answer: Combustible Liquid
Question: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
Question: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
Question:The year of the first edition of NFPA 1033 Answer: 1987
Question:The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
,Page | 2
1.5Answer:
times
Question:What temperature in the upper gas layer causes the onset of Flashover?
1100°F
Answer: temperature at which copper melts 1960°F
Question:The
Answer: measurement of the radiant heat flux (from gas layer to the floor) that indicates the
Question:The
onset of flashover
2 W/cm2
Answer:
Question: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)
240 volts
Question:The revision cycle for NFPA 921 (timespan) 3 years
Answer:
Answer: flash point of power steering fluid 350°F
Question:The
Answer:high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to
Question:In
pump fuel from a fuel tank
35-70 p.s.i.
Answer:
,Page | 3
Question:The lower explosive and upper explosive limit of natural gas (methane)?
5 and 17
Question:The ignition temperature of power steering fluid 680°F
Answer:
Answer: substance that can undergo combustion Fuel
Question:Any
Answer:
Question:A law that may govern the fire investigation of a boat Admiralty Law
Answer:type of device in a vehicle, which can cause an electrical overload to factory installed wiring
Question:A
After-market Equipment
Answer:
, Page | 4
Question: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?
Alive and Breathing
Question:Those who have the responsibility for monitoring safety conditions at the fire or explosion
scene
AllAnswer:
Team Members
Answer:
Question:The melting temperature of aluminum 1220°F
Answer: one of these is NOT considered a competent ignition source? Metal-to-metal sparks,
Question:Which
Aluminum-to-pavement sparks, Metal-to-pavement sparks, Motor bearing sparks
Aluminum-to-pavement sparks
Question:A meaningful analysis of a fire requires an understanding of the fire growth, the total heat
released, and WHAT?
Heat Release Rate
Answer:
Answer: does he term AFCI stand for? And, the "A" specifically represents what?
Question:What
Arc-fault circuit interrupter
Answer:
Verified Answers
Question 1:Two factors or situations leading to a fire that may show the nature of the incident
responsibility.
Act or Omission
Answer:
Question 2:This concept should not be included in a summary report of findings.
Additional
Answer: Investigative Recommendations
Question: A liquid with a flash point ABOVE 100F Answer: Combustible Liquid
Question: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
Question: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
Question:The year of the first edition of NFPA 1033 Answer: 1987
Question:The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
,Page | 2
1.5Answer:
times
Question:What temperature in the upper gas layer causes the onset of Flashover?
1100°F
Answer: temperature at which copper melts 1960°F
Question:The
Answer: measurement of the radiant heat flux (from gas layer to the floor) that indicates the
Question:The
onset of flashover
2 W/cm2
Answer:
Question: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)
240 volts
Question:The revision cycle for NFPA 921 (timespan) 3 years
Answer:
Answer: flash point of power steering fluid 350°F
Question:The
Answer:high-pressure fuel-injected vehicles, this is the typical range of pressure that is used to
Question:In
pump fuel from a fuel tank
35-70 p.s.i.
Answer:
,Page | 3
Question:The lower explosive and upper explosive limit of natural gas (methane)?
5 and 17
Question:The ignition temperature of power steering fluid 680°F
Answer:
Answer: substance that can undergo combustion Fuel
Question:Any
Answer:
Question:A law that may govern the fire investigation of a boat Admiralty Law
Answer:type of device in a vehicle, which can cause an electrical overload to factory installed wiring
Question:A
After-market Equipment
Answer:
, Page | 4
Question: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?
Alive and Breathing
Question:Those who have the responsibility for monitoring safety conditions at the fire or explosion
scene
AllAnswer:
Team Members
Answer:
Question:The melting temperature of aluminum 1220°F
Answer: one of these is NOT considered a competent ignition source? Metal-to-metal sparks,
Question:Which
Aluminum-to-pavement sparks, Metal-to-pavement sparks, Motor bearing sparks
Aluminum-to-pavement sparks
Question:A meaningful analysis of a fire requires an understanding of the fire growth, the total heat
released, and WHAT?
Heat Release Rate
Answer:
Answer: does he term AFCI stand for? And, the "A" specifically represents what?
Question:What
Arc-fault circuit interrupter
Answer:
