NAFI CFEI Questions and Answers 100% Pass

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NAFI CFEI Questions and Answers 100% Pass Probable cause is not needed to obtain an administrative search warrant. a.True b.False ✔✔true Heat transfer to another body or within a body by dire... ct contact is called: a.Conduction. b.Convection. c.Radiation. d.Pyrolysis. ✔✔conduction Fuses and circuit breakers provide protection against electrical short circuits, ground/earth faults,and load currents that might be damaging (i.e. overloads) to the building electrical system.Properly functioning circuit protection may allow the elimination of the buildings wiring system as a potential cause of the fire. a.True b.False ✔✔true In pre-flashover conditions the primary heat transfer mechanism for fire spread through a compartment is radiation. a.True b.False ✔✔false In a compartment, flashover occurs because convective heat energy raises combustible to their auto-ignition temperature. a.True b.False ✔✔false Combustion may continue with available oxygen concentrations lower than 1 percent. a.True b.False ✔✔true The way structures react in a fire often influence how the fire grows and spreads as well as how theymaintain their structural integrity during the fire. Therefore, the fire investigator should considerthe type of structure and method of construction when completing the analysis of fire growth and spread as a part of their fire investigation. a.True b.False ✔✔true Materials which have been properly treated with flame-retardants will not undergo pyrolysis andfor this reason will not ignite. a.True b.False ✔✔false Data that is based on observation or experience and can be verified is called: a.Anecdotal data b.Empirical data c.Qualitative data d.Categorical data ✔✔empirical Inductive reasoning is when all available empirical data is analyzed using the investigator's experience, training, knowledge and expertise. a.True b.False ✔✔true Testing of a hypothesis by comparing the investigators hypothesis to all known facts is using____________ reasoning. a.Deductive b.Inductive c.Both A and B d.Neither A or B ✔✔deductive reasoning Which of the following can be defined as a fuel gas? a.Natural gas b.Liquefied petroleum gas c.Manufactured gases d. all of the above ✔✔all of the above Prior to conducting an on scene investigation many things should be identified, including: a.Date and time of incident b.Size and complexity of the incident c.Purpose of the investigation d.All of the above ✔✔all of the above Luminescent flame temperatures are dependant on the fuel to oxygen ratio. a.True b.False ✔✔true The investigative tool used to graphically or in a narrative manner depict events relating to a fire or explosion in chronological order is called: a.Timeline b.Systems analysis c.Fault tree d.Computer modeling ✔✔timeline A diagram that places, in a logical sequence, the conditions and chains of events that are necessaryfor a fire or explosion to occur is called: a.Timeline b.Systems analysis c.Fault tree d.Computer modeling ✔✔Fault tree Protected areas result from an object or item prohibiting the products of combustion from depositingon materials which the object protects. a.True b.False ✔✔true A deflagration resulting from the sudden introduction of air into a confined space containing oxygendeficient products of incomplete combustion. a.Flashover b.Flameover c.Smoke Explosion d.Backdraft ✔✔backdraft What does the "V" in V-pattern represent? a.Vector - pattern b.Virtual - pattern c.The geometric shape of the pattern d.Represents the name of the first individual who recognized the pattern ✔✔the geometric shape of the pattern Which of the following is NOT one of the three elements of arson? a.There has been burning of property b.The burning is incendiary in origin c.The burning is shown to be started with malice with the intent of destroying property d.There is a gasoline can found on the premises ✔✔There is a gasoline pattern found on the premises A BLEVE is a type of explosion involving the ignition of a dispersed vapor cloud? a.True b.False ✔✔false Adequate debris removal is essential in an origin investigation? a.True b.False ✔✔true The court usually permits the fire and explosion investigator to refresh his memory from his noteswhile testifying in a deposition or trial? a.True b.False ✔✔true In a fire, the human body is completely consumed? a.True b.False ✔✔false Fire deaths can occur from: a.Inhalation of hot gases b.Inhalation of toxic gases c.Thermal Burns d.All of the Above ✔✔all of the above [Show More]

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