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IAAI CFI Study Questions (2024 Latest Update)
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IAAI CFI Study Questions (2024 Latest Update)
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IAAI CFI Study Questions (2024 LatestUpdate)
Combustible Liquid - ANSWER A liquid with a flash point ABOVE 100F
12.5 - ANSWER 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?
1000 - ANSWER 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
1987 - ANSWER The year of the first edition of NFPA 1033
1.5 times - ANSWER The recommended distance for securing the perimeter of a blast
scene
*That is, the distance from the furthest debris
1100°F - ANSWER What temperature in the upper gas layer causes the onset of
Flashover?
1960°F - ANSWER The temperature at which copper melts
2 W/cm2 - ANSWER The measurement of the radiant heat flux (from gas layer to the
floor) that indicates the onset of flashover
240 volts - ANSWER 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)
3 years - ANSWER The revision cycle for NFPA 921 (timespan)
350°F - ANSWER The flash point of power steering fluid
35-70 p.s.i. - ANSWER In high-pressure fuel-injected vehicles, this is the typical range
of pressure that is used to pump fuel from a fuel tank
5 and 17 - ANSWER The lower explosive and upper explosive limit of natural gas
(methane)?
,680°F - ANSWER The ignition temperature of power steering fluid
Fuel - ANSWER Any substance that can undergo combustion
Act or Omission - ANSWER Two factors or situations leading to a fire that may show the
nature of the incident responsibility.
Additional Investigative Recommendations - ANSWER This concept should not be
included in a summary report of findings.
Admiralty Law - ANSWER A law that may govern the fire investigation of a boat
After-market Equipment - ANSWER A type of device in a vehicle, which can cause an
electrical overload to factory installed wiring
Alive and Breathing - ANSWER 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?
All Team Members - ANSWER Those who have the responsibility for monitoring safety
conditions at the fire or explosion scene
1220°F - ANSWER The melting temperature of aluminum
Aluminum-to-pavement sparks - ANSWER 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
Heat Release Rate - ANSWER A meaningful analysis of a fire requires an
understanding of the fire growth, the total heat released, and WHAT?
Arc-fault circuit interrupter - ANSWER What does he term AFCI stand for? And, the "A"
specifically represents what?
ASTM - ANSWER The organization that develops standard methods for testing
materials
Auto-ignition - ANSWER Initiation of combustion by heat but without a spark or flame
Backdraft - ANSWER A deflagration resulting from the sudden introduction of air into a
confined space containing oxygen-deficient products of incomplete combustion
, Backdraft - ANSWER An explosion caused by a combination of combustible materials
heated to the ignition point and a sudden introduction of oxygen to support combustion
Backfire Flame Arrestor - ANSWER A boat device that owners fail to keep clean, which
is a frequent cause of engine compartment fires on boats
Ballast - ANSWER A device on a fluorescent light fixture that transforms the voltage
from normal household voltage to a higher voltage
Battery - ANSWER The starter motor draws its energy from this source
Beyond a Reasonable Doubt - ANSWER The burden of proof in a criminal trial
Bimetallic Thermostats - ANSWER The component that controls temperature in many
heat-producing appliances
BLEVE - ANSWER This may occur when the vapor pressure of a liquid exceeds
atmospheric pressure
*And this is the most common mechanical explosion
Boiling Point - ANSWER The temperature or point at which the vapor pressure of a
liquid equals the external pressure applied
Bonding - ANSWER The process of electrically connecting two or more conductive
objects
Bottom Passenger Side of the Windshield - ANSWER Most engine fires typically
penetrate the interior compartment at this location of the vehicle
Brass Prongs (male ends) - ANSWER An investigator can closely examine this
component of a cord to determine if it was plugged into a receptacle
Calcination - ANSWER The chemical and physical changes that occur in gypsum
wallboard surfaces during a fire
Carbon Monoxide - ANSWER A narcotic gas that one might be exposed to in the fire
Carbon Monoxide - ANSWER The levels of this toxin dissipate over time after removal
from the fire environment.
Carbon Monoxide Poisoning - ANSWER This toxic condition does NOT cause a cherry-
pink coloration to the skin of the fire victim and is NOT visible on all skin types
Carburetor Backfire - ANSWER This occurrence is the most common open-flame
ignition source in non-fuel injected vehicles
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