IAAI CFI Study Questions and Answers
A+ Score Solution
1. A liquid with a flash point ABOVE 100F
Answer> Combustible Liquid
2. 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
3. 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
4. The year of the first edition of NFPA 1033
Answer> 1987
5. The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
,Answer> 1.5 times
6. What temperature in the upper gas layer causes the onset of Flashover?
Answer> -
1100°F
7. The temperature at which copper melts
Answer> 1960°F
8. The measurement of the radiant heat flux (from gas layer to the floor) that
indicates the onset of flashover
Answer> 2 W/cm2
9. 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
10. The revision cycle for NFPA 921 (timespan)
Answer> 3 years
11. The flash point of power steering fluid
Answer> 350°F
12. 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.
13. The lower explosive and upper explosive limit of natural gas (methane)?
Answer> 5 and 17
14. The ignition temperature of power steering fluid
Answer> 680°F
15. Any substance that can undergo combustion
Answer> Fuel
16. Two factors or situations leading to a fire that may show the nature of the
incident responsibility.
Answer> Act or Omission
17. This concept should not be included in a summary report of findings.
Answer> Ad- ditional Investigative Recommendations
18. A law that may govern the fire investigation of a boat
Answer> Admiralty Law
19. A type of device in a vehicle, which can cause an electrical overload to
factory installed wiring
Answer> After-market Equipment
20. 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
21. Those who have the responsibility for monitoring safety conditions at the
fire or explosion scene
Answer> All Team Members
22. The melting temperature of aluminum
Answer> 1220°F
23. 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
24. A meaningful analysis of a fire requires an understanding of the fire
growth, the total heat released, and WHAT?
Answer> Heat Release Rate
25. What does he term AFCI stand for? And, the "A" specifically represents
what?
Answer> Arc-fault circuit interrupter
A+ Score Solution
1. A liquid with a flash point ABOVE 100F
Answer> Combustible Liquid
2. 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
3. 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
4. The year of the first edition of NFPA 1033
Answer> 1987
5. The recommended distance for securing the perimeter of a blast scene
*That is, the distance from the furthest debris
,Answer> 1.5 times
6. What temperature in the upper gas layer causes the onset of Flashover?
Answer> -
1100°F
7. The temperature at which copper melts
Answer> 1960°F
8. The measurement of the radiant heat flux (from gas layer to the floor) that
indicates the onset of flashover
Answer> 2 W/cm2
9. 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
10. The revision cycle for NFPA 921 (timespan)
Answer> 3 years
11. The flash point of power steering fluid
Answer> 350°F
12. 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.
13. The lower explosive and upper explosive limit of natural gas (methane)?
Answer> 5 and 17
14. The ignition temperature of power steering fluid
Answer> 680°F
15. Any substance that can undergo combustion
Answer> Fuel
16. Two factors or situations leading to a fire that may show the nature of the
incident responsibility.
Answer> Act or Omission
17. This concept should not be included in a summary report of findings.
Answer> Ad- ditional Investigative Recommendations
18. A law that may govern the fire investigation of a boat
Answer> Admiralty Law
19. A type of device in a vehicle, which can cause an electrical overload to
factory installed wiring
Answer> After-market Equipment
20. 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
21. Those who have the responsibility for monitoring safety conditions at the
fire or explosion scene
Answer> All Team Members
22. The melting temperature of aluminum
Answer> 1220°F
23. 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
24. A meaningful analysis of a fire requires an understanding of the fire
growth, the total heat released, and WHAT?
Answer> Heat Release Rate
25. What does he term AFCI stand for? And, the "A" specifically represents
what?
Answer> Arc-fault circuit interrupter
