Download Fire Dynamics and Investigation and more Exams Nursing in PDF only on Docsity!
IAAI CFI CERTIFICATION EXAM | 2 CURRENTLY TESTINGVERSIONS AND A STUDY GUIDE WITH SUMMARIZED
INSTRUCTOR NOTES | ACCURATE AND EXPERT VERIFIED |LATEST UPDATE
Evidence of smoke or soot in the lungs, bronchi, and trachea is one of the most significantfactors 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 heatreleased, and WHAT? - CORRECT ANSWER Heat Release Rate
What does he term AFCI stand for? And, the "A" specifically represents what? - CORRECTANSWER Arc-fault circuit interrupter
The organization that develops standard methods for testing materials - CORRECT ANSWERASTM
Initiation of combustion by heat but without a spark or flame - CORRECT ANSWER Auto-ignition
A deflagration resulting from the sudden introduction of air into a confined space containingoxygen-deficient products of incomplete combustion - CORRECT ANSWER Backdraft
An explosion caused by a combination of combustible materials heated to the ignition point anda sudden introduction of oxygen to support combustion - CORRECT ANSWER Backdraft
A boat device that owners fail to keep clean, which is a frequent cause of engine compartmentfires on boats - CORRECT ANSWER Backfire Flame Arrestor
A device on a fluorescent light fixture that transforms the voltage from normal household voltageto a higher voltage - CORRECT ANSWER Ballast
The starter motor draws its energy from this source - CORRECT ANSWER Battery The burden of proof in a criminal trial - CORRECT ANSWER Beyond a Reasonable Doubt The component that controls temperature in many heat-producing appliances - CORRECTANSWER Bimetallic Thermostats
This may occur when the vapor pressure of a liquid exceeds atmospheric pressure *And this is the most common mechanical explosion - CORRECT ANSWER BLEVE The temperature or point at which the vapor pressure of a liquid equals the external pressureapplied - CORRECT ANSWER Boiling Point
The process of electrically connecting two or more conductive objects - CORRECT ANSWERBonding
Most engine fires typically penetrate the interior compartment at this location of the vehicle -CORRECT ANSWER Bottom Passenger Side of the Windshield
A fire characteristic that is NOT necessarily an accurate indicator of the flame temperature -CORRECT ANSWER Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each other -CORRECT ANSWER Color Codes
A chemical process of oxidation, which occurs at a rate fast enough to produce heat and usuallylight in the form of either a glow or a flame - CORRECT ANSWER Combustion
A building design feature that aims to limit the fire to its origin. - CORRECT ANSWERCompartmentation
Located at the origin, these should be considered individually during the development of a causehypothesis - CORRECT ANSWER Competent Ignition Source
This should be donned when dealing with hazardous chemicals - CORRECT ANSWERComplete PPE
An example of heat transfer, when the heating of a steel beam to an unexposed part of a buildingresults in a fire in that location - CORRECT ANSWER Conduction
Overheating on a circuit is most likely to occur at this location on a circuit - CORRECTANSWER Connection Points
Consensus agreement between interested parties should be developed prior to thecommencement of WHAT? - CORRECT ANSWER Joint Investigation
Complicated patterns in glass - CORRECT ANSWER Crazing A type of scene or circumstances, in which fires do NOT always destroy all physical evidence -CORRECT ANSWER Crime Scenes
A factor in OHM's law that can be calculated if you know resistance and voltage - CORRECTANSWER Current (amperage)
The reasoning in the scientific method used to test an hypothesis - CORRECT ANSWERDeductive Reasoning
The reasoning process of moving from generalizations to particular assertion (*"Reduce to Deduce" *Test hypothesis ("deduce") *Test based on known facts *More confident assertion than induction) - CORRECT ANSWER Deductive Reasoning Type of evidence consisting of tangible items *as opposed to Testimonial Evidence or Documentary (written) Evidence - CORRECTANSWER Demonstrative Evidence
A burn pattern analysis that is MORE useful for evaluating fire spread, rather than length orintensity of burning - CORRECT ANSWER Depth of Char
All voltages are _________________, which means that a battery or DC generator creates apotential difference that can force charge through a wire - CORRECT ANSWER Differential
The ordinary sustained burning mode in most fires - CORRECT ANSWER Diffusion FlameBurning
By taking these two steps, an investigator can obtain the manufacturer's name, model & serialnumbers, manufacture date, and any warnings on an appliance, determined to be in the area of fire origin - CORRECT ANSWER Document and Carefully Move
The person at a fire scene who manages various aspects of the evidence collection process,including an evidence log and evidence bagging, tagging, preservation and storage - CORRECT ANSWER Evidence Custodian The justification used to enter a property in order to extinguish a fire - CORRECT ANSWERExigent Circumstances
Also known as "Conclusions" - CORRECT ANSWER Final Hypothesis A team comprised of a homicide detective, medical examiner, and fire investigator - CORRECTANSWER Fire Death Team
A type of analysis used to predict fire phenomena and characteristics of the environment -CORRECT ANSWER Fire Dynamics Analysis
Observable or measurable changes in or on a material as the result of a fire - CORRECTANSWER Fire Effects
Once a fuel is ignited in a motor vehicle, any additional fuels contained in the vehicle havesignificant effect on WHAT fire factor? - CORRECT ANSWER Fire Growth Rate
In a wildland fire, this fire characterisic is indicated by the degree of damage to the wildland fuel- CORRECT ANSWER Fire Intensity
This investigative determination is based on witness information, fire patterns, arc mapping, andfire dynamics - CORRECT ANSWER Fire Origin
The fifth and sixth amendments DO NOT answer questions regarding constitutional protectionsin relation to WHAT fire investigation aspect?
(4th amendment issue) - CORRECT ANSWER Fire Scene Access
Recreating pre-fire positions of contents - CORRECT ANSWER Fire Scene Reconstruction This type of door must be used when installed in a fire-rated wall. - CORRECT ANSWER Fire-rated Door
This is the typical extent of thermal injuries sustained from an explosion flame front, due to thevery short duration. - CORRECT ANSWER First or Second Degree Burns
A system used to rate a material's flame spread potential. *And these are the categories: Class A: Flame spread index 0- Class B: Flame spread index 26-75Class C: Flame spread index 76-200 - CORRECT ANSWER Flame Spread Rating
This type of fuel can only be ignited by a spark or pilot flame over specific ranges of gasconcentration - CORRECT ANSWER Flammable Gases
A liquid with a flash point below 100*F - CORRECT ANSWER Flammable Liquid The characteristic of an appropriate mixture of vapor-to-air, which will cause it to ignite whensubjected to an ignition source - CORRECT ANSWER Flash point
A specific fuel characteristic, which will have little or no significance when the fuel is releasedin a spray form. - CORRECT ANSWER Flash Point
In this phenomenon, the radiant ignition of exposed combustible materials is key - CORRECTANSWER Flashover
This phenomenon will occur in a compartment with a low ceiling and fire on the floor, before thesame fire in a room with high ceilings - CORRECT ANSWER Flashover
NFPA 921 is this type of document - CORRECT ANSWER Guide The information presented in NFPA 921 establishes WHAT? - CORRECT ANSWERGuidelines
Biological, chemical, physical, and radiological are examples of this concept that fireinvestigators should be aware of when investigating a fire scene - CORRECT ANSWER Hazards The first cutting unit on a combine - CORRECT ANSWER Header The measure of the rate of heat transfer to a surface - CORRECT ANSWER Heat flux The amount of heat released during complete combustion, which is considered a constant for aspecific fuel
(Generally considered a material property and therefore a constant for a specific fuel) -CORRECT ANSWER Heat of Combustion
The heat energy that brings about ignition (divided into two parts: (a) equipment involved in ignition and (b) form of heat of ignition) -CORRECT ANSWER Heat of Ignition
The fire characteristic that most affects fire growth during the pre-flashover phase of a fire -CORRECT ANSWER Heat Release Rate
The transport of heat energy from one point to another point, caused by temperature differencebetween those points - CORRECT ANSWER Heat transfer
The fire phenomenon responsible for much of the physical evidence used by fire investigators -CORRECT ANSWER Heat transfer
The shattering type of explosion damage - CORRECT ANSWER High-Order Damage The type of number an investigator should look for during a boat fire investigation - CORRECTANSWER H.I.N.
This vehicle component will NOT usually ignite gasoline - CORRECT ANSWER Hot Surfaces Component of the human body that will act as a fuel and sustain a flame - CORRECTANSWER Human Body Fat
Any substance that will spontaneously ignite or explode upon exposure to an oxidizer. -CORRECT ANSWER Hypergolic Material
Materials that can react with each other - CORRECT ANSWER Hypergolic Materials A type of material that, when trapped in a concrete floor, can be recovered by using lime,diatomaceous earth, or non-self-rising flour. - CORRECT ANSWER Ignitable Liquid
Ignition that involves transferring sufficient heat to a fuel by passage of electrical current toignite material that is closeby - CORRECT ANSWER Ignition by Electrical Energy
The minimum temperature needed to heat a fuel so as to ignite and begin self-sustainedcombustion - CORRECT ANSWER Ignition Temperature
An item that tends to "pull" toward the heat source (*if over 25 watts) - CORRECT ANSWER Incandescent Light Bulbs
A certain pattern that is not necessarily an indicator of the presence of an ignitable liquid -CORRECT ANSWER Irregular Pattern
A professional description that (1) describes the specific job task, (2) lists items necessary tocomplete the task, and (3) describes measurable outcomes and evaluations for the task - CORRECT ANSWER Job Performance Requirement These can occur simultaneously and involve separate and independent examinations throughwhich each party may develop an independent hypothesis - CORRECT ANSWER Joint Investigations Which of these fuels has the lowest ignition temperature: kerosene, gasoline, methane, orpropane? - CORRECT ANSWER Kerosene
The type of energy that is converted suddenly from potential energy during an explosion, withthe production and release of gases under pressure. - CORRECT ANSWER Kinetic Energy
This entity must confirm any sample obtained by canine alert, to be considered valid -CORRECT ANSWER Laboratory Analysis
One of the most dangerous situations an investigator may encounter when examining a boatafloat after a fire - CORRECT ANSWER Lack of Stability
This material is NOT acceptable to be used on the exterior (but is acceptable for the interior). -CORRECT ANSWER Laminated Wood
The amount of heat absorbed by a substance during its change from a liquid to vapor -CORRECT ANSWER Latent Heat of Vaporization
Static electricity flowing from cloud to ground or from cloud to cloud - CORRECT ANSWERLightning
One form of static electricity - CORRECT ANSWER Lightning The lightning occurrence that is less likely to cause a fire (compared to cloud-to-ground) -CORRECT ANSWER Cloud-to-Cloud
Borders of fire patterns - CORRECT ANSWER Lines of Demarcation Type of explosion damage that heaves or pushes - CORRECT ANSWER Low-Order Damage Fire often causes standard copper conductors to do WHAT? - CORRECT ANSWER Melt andFuse Together Lengthwise
The two basic types of fire patterns - CORRECT ANSWER Movement and Intensity The term associated with the air and gas flow in a compartment fire - CORRECT ANSWERNeutral Plane
The position on a receptacle, where the cord's wider prong is forced to plug into, due to a changethat was made to 20-amp cords in 1987 - CORRECT ANSWER Neutral Position
The national applicable performance standards for fire investigators - CORRECT ANSWERNFPA 1033
NFPA standard that prohibits gas piping in air ducts, clothes chutes, and elevator shafts -CORRECT ANSWER NFPA 54
The NFPA standard for hazard identification - CORRECT ANSWER NFPA 704 NFPA hazard placard:
The electrical compromise between an energized wire and a ground wire - CORRECTANSWER Overcurrent
The process of extinguishing hotspots and searching for hidden fires, after suppression efforts -CORRECT ANSWER Overhaul
A chemical reaction that combines a substance with oxygen - CORRECT ANSWER Oxidation The basic chemical process associated with combustion - CORRECT ANSWER Oxidation This occurs when there is a poor electrical connection - CORRECT ANSWER Oxide Interface A material that is NOT commonly subject to self-heating - CORRECT ANSWER Paper While the scene is being "dug out" or excavated, this technique is used throughout theinvestigation process to document the sequence of events. - CORRECT ANSWER Photography
When the origin is clearly defined, it is possible to make a credible determination regarding thecause of the fire, even without the availability of WHAT? - CORRECT ANSWER Physical Evidence of the Cause A fuel item that has the greatest peak heat release rate (in unconfined burning). - CORRECTANSWER Polyurethane Sofa
This evidence can be identified, which indicates pre-death trauma in a fire fatality - CORRECTANSWER Pooled Blood under the Body
This device is generally used to control the flow of water to a sprinkler system, hydrant, oranother device with underground piping - CORRECT ANSWER Post-indicator Valve
The rate at which energy is used - CORRECT ANSWER Power
This concept regarding physical evidence and the fire scene in general is NOT the soleresponsibility of the fire investigator. - CORRECT ANSWER Preservation
The remains of this component of an appliance may indicate if it was operating at the time of theincident - CORRECT ANSWER Protection Device
During a major investigation, this agreed-upon procedure is important to establish and followwhen a particular item is deemed evidence. - CORRECT ANSWER Protocol
A common post-mortem response of the body to heat, resulting in the contracting of muscles as adirect result of the fire. - CORRECT ANSWER Pugilistic Posture
A process in which material is decomposed, or broken down, into simpler molecular compoundsby the effects of heat alone - CORRECT ANSWER Pyrolysis
Any substance that spontaneously ignites upon exposure to atmospheric oxygen. - CORRECTANSWER Pyrophoric Material
This item may be found on a boat because they are often used in firework events - CORRECTANSWER Pyrotechnics
Fire spread from one fuel package to another is generally caused by WHAT? - CORRECTANSWER Radiative Ignition
The ________________________ as determined by witnesses is highly subjective - CORRECTANSWER Rate of Fire Growth
The primary goal for an investigator recording and photographing the scene - CORRECTANSWER Recalling Observations
A process whereby a material undergoes a chemical reaction and increases in temperature solelydue to exothermic reactions between the material and the surrounding atmosphere - CORRECT ANSWER Self-Heating Type of photography that is helpful in understanding the relationship of a small subject to itsrelative position in a larger area - CORRECT ANSWER Sequential Photographs
Geographic area, clusters, temporal frequency, and materials and methods are useful inidentifying and establishing this act - CORRECT ANSWER Serial Fire-Setting
At a minimum, this investigative practice should be done on all fire scenes - CORRECTANSWER Simple Sketch
Determining which pattern was produced at the point of origin becomes more difficult as WHATincreases? - CORRECT ANSWER Fire Size and Duration
The softening and loosening of the wire's thermoplastic insulation due to heating (fire) -CORRECT ANSWER Sleeving
Whether a hole burned into a horizontal surface was created from above or below may beidentified by examining WHAT? - CORRECT ANSWER Sloping Sides
This type of fire normally produces char that results from thermal decomposition - CORRECTANSWER Smoldering
A subcategory of revenge/retaliation that is generally not satisfied with a single fire -CORRECT ANSWER Societal-motivated Arson
Fire scene examinations should NOT be conducted in WHAT MANNER? - CORRECTANSWER Solo
Damage and fire patterns occurring to concrete that is NOT a positive indicator of a liquidaccelerant - CORRECT ANSWER Spalling
The ratio of the density of a substance to the density of a standard (usually water for a liquid orsolid, and air for a gas) - CORRECT ANSWER Specific Gravity
The ratio of the average molecular weight of a gas or vapor to the average molecular weight ofair - CORRECT ANSWER Specific Gravity of Air
The ratio of the mass of a given volume of a substance to the mass of an equal volume of water(at a temp. of 4C) - CORRECT ANSWER Specific Gravity of a liquid or solid
This fire characteristic is NOT indicated by the angle of the borders of the V pattern -CORRECT ANSWER Speed of Fire Growth
This concept does NOT mean that an item of evidence cannot be removed from the fire scene inorder to preserve it or protect it from theft, for instance. - CORRECT ANSWER Spoliation
What fire process is vehicle motor oil NOT prone to undergo - CORRECT ANSWERSpontaneous Combustion
A phenomenon that does NOT occur to human bodies (not supported by evidence) - CORRECTANSWER Spontaneous Combustion
The process whereby a material increases in temperature without drawing heat from itssurroundings - CORRECT ANSWER Spontaneous Heating
Combustible materials should be kept 18 inches away from this fire protection device -CORRECT ANSWER Sprinkler Head
The optimum fuel/air mixture where combustion is most efficient - CORRECT ANSWERStoichiometric Ratio
