NFPA 1033 Prep
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An investigator entering a structure soon after the fire is believed to be extinguished should:

  • Be alert to the possibility of rekindling
  • Move from area to area of the fire scene as quickly as possible
  • Be aware of the safest and fastest means of egress
  • Both A and C are correct (correct)

Many jurisdictions have enacted statutes requiring that information be released to public officials regarding fires that may have been the result of:

  • A criminal act (correct)
  • Actions of the fire marshal
  • Accidental acts
  • An explosion

The minimum temperature to which a substance must be heated in order to ignite under specific test conditions is known as:

  • Pyrolysis/pyrophoric action
  • Flashover
  • Ignition temperature (correct)
  • Flash point

The preliminary scene assessment of how a fire spreads through a structure is developed by noting the areas of _______ and ________, and attempting to track the fire _______.

<p>Lesser destruction, greater destruction, back to its point of origin (C)</p> Signup and view all the answers

Vapor density is defined as the weight of:

<p>Gas as compared to the weight of air (A)</p> Signup and view all the answers

Heat can travel throughout a burning building by one or more of three methods, which are:

<p>Conduction, radiation, and convection (A)</p> Signup and view all the answers

The transition phase during a compartment fire where all contents reach their ignition temperature and simultaneously ignite is called:

<p>Flashover (A)</p> Signup and view all the answers

The heating of a steel beam that carries heat to an unexpected part of the building and starts another fire would be an example of:

<p>Conduction (A)</p> Signup and view all the answers

Which of the following statements concerning "V" patterns is correct?

<p>The value of these patterns lies in the direction of spread that they depict, NOT what caused them (C)</p> Signup and view all the answers

The upper and lower concentrations of a vapor that will produce a flame at a given pressure and temperature are called:

<p>Flammable and explosive limits (C)</p> Signup and view all the answers

Mechanical heat energy initiated by the movement between objects in contact with one another defines _______ heating.

<p>Frictional (B)</p> Signup and view all the answers

In motor vehicle post-crash situations, the crushing or cutting of the battery or starter cables may cause:

<p>Arcing (A)</p> Signup and view all the answers

Electrical heat energy in the form of an arc between oppositely charged conductors bet defines:

<p>Static-electricity (D)</p> Signup and view all the answers

In conducting a fire investigation where electricity is suspected as the cause, the investigator should examine the service panel for all of the following except:

<p>Color coding of conductors (B)</p> Signup and view all the answers

Combustible dusts present a unique hazard because of their ability to form _______ mixtures within an enclosure.

<p>Explosive (C)</p> Signup and view all the answers

Fire scene sketches should be considered an important supplement to photographs and written notes. Their main importance to the investigation is to:

<p>Portray the accurate location of evidence found at the scene (B)</p> Signup and view all the answers

All of the following can be considered a purpose of structural photographs except to:

<p>Protect the investigator from civil liability (C)</p> Signup and view all the answers

The search of an explosion scene requires that searchers be briefed about the proper procedures for identifying, logging, photographing, _________, and _________ the location of the evidence.

<p>Marking, mapping (A)</p> Signup and view all the answers

The form of arson evidence MOST COMMONLY submitted for analysis is:

<p>Solid debris suspected of containing volatile liquids (D)</p> Signup and view all the answers

The decision regarding what physical evidence to collect at the incident scene rests with the:

<p>Fire investigator (D)</p> Signup and view all the answers

Most contamination of physical evidence occurs during:

<p>Collection (A)</p> Signup and view all the answers

Traces of suspected accelerant liquids can be recovered from concrete by absorbing them into any of the following materials except:

<p>Laundry soap (C)</p> Signup and view all the answers

As a fire investigator, the purpose of an interview is to gather:

<p>Useful and accurate information (B)</p> Signup and view all the answers

While conducting an interview, it is important to remember that privileged communications apply to all of the following persons within a relationship except:

<p>Fire chief and fire marshal (B)</p> Signup and view all the answers

A fire investigator can obtain a copy of a death certificate from the county coroner/medical examiner or the:

<p>Municipal health department (C)</p> Signup and view all the answers

Reports, documents, reference materials, and newspapers are all forms of _______ sources.

<p>Written (D)</p> Signup and view all the answers

Safety equipment and clothing should be worn by the investigator on the fire scene:

<p>At all times (D)</p> Signup and view all the answers

To use personal protective equipment or other safety equipment, the investigator needs:

<p>Specialized or appropriate training (A)</p> Signup and view all the answers

Long periods of strenuous labor by investigators on a fire scene can lead to:

<p>Inability to recognize and respond to hazardous conditions (C)</p> Signup and view all the answers

Read the following statements and select your answer from choices A-D:

STATEMENT 1: The investigator should ascertain the basis and extent of his or her authority to conduct the investigation.

STATEMENT 2: The authority to investigate is given to police officers, firefighters, and fire marshals according to the law of the jurisdiction.

STATEMENT 3: Private fire investigators have the same authority to investigate.

<p>Statements 1 &amp; 2 are true; statement 3 is false (B)</p> Signup and view all the answers

The right of entry refers to the legal right to be on a given premise. Such entry can be obtained by:

<p>All of the above pg. 221 (D)</p> Signup and view all the answers

An incendiary fire is:

<p>A fire that is deliberately set (D)</p> Signup and view all the answers

The preservation of evidence at the fire scene should begin with the:

<p>First arriving fire units/police authorities (C)</p> Signup and view all the answers

Read the following statements regarding the securing of a fire or explosion scene then select your answer from the choices A-D.

STATEMENT 1: The size of the perimeter for both fire and explosion scenes may change several times during the incident.

STATEMENT 2: The perimeter for explosions should be established at 450 meters beyond the location of the farthest piece of debris found.

STATEMENT 3: Access to the scene through the perimeter should be strictly monitored, with all persons who enter and leave being required to log in and out.

<p>Statements 1 &amp; 3 are true; statement 2 is false (C)</p> Signup and view all the answers

The presence of a thick, oily soot on glass, including hydrocarbon residues, is proof of the presence of:

<p>Incomplete combustion (B)</p> Signup and view all the answers

Inverted cone patterns are commonly caused by:

<p>Vertical flame plumes not reaching the ceiling (C)</p> Signup and view all the answers

When referring to the L.E.L. of a flammable or combustible liquid, what does L.E.L. mean?

<p>Lower Explosive Limit (C)</p> Signup and view all the answers

Most contamination of physical evidence occurs during:

<p>Collection (C)</p> Signup and view all the answers

The area where a fire began is the:

<p>Area of origin (A)</p> Signup and view all the answers

The common hazard associated with heating appliances is:

<p>Proximity of installation to combustibles (B)</p> Signup and view all the answers

An abnormal connection of low resistance between conductors where the resistance is normally much greater is a(n):

<p>Short circuit (C)</p> Signup and view all the answers

Two major types of explosions are:

<p>Mechanical and chemical (C)</p> Signup and view all the answers

A sketch depicting the general arrangement of the property in reference to sewer, water, electrical distribution, and other important features is a:

<p>Site plan (A)</p> Signup and view all the answers

Fire scene sketches should be considered important supplements to ________ and ________, not replacements for them.

<p>Photographs, written notes (C)</p> Signup and view all the answers

The purpose of providing photographs of a fire scene is to:

<p>Provide an accurate record of the scene (A)</p> Signup and view all the answers

What can be considered a purpose of structural photographs?

<p>Show damage to the structure and burn patterns (B)</p> Signup and view all the answers

The proper recording of a fire scene requires:

<p>Photographs (A)</p> Signup and view all the answers

The establishment of the cause and manner of death is the responsibility of the:

<p>Coroner or medical examiner (C)</p> Signup and view all the answers

When collecting physical evidence for examination and testing, it is often necessary to also collect:

<p>Comparison samples (D)</p> Signup and view all the answers

Suspected chemical incendiary mixtures may be packaged in which of the following containers:

<p>Glass jars (D)</p> Signup and view all the answers

If an investigator suspects that mechanical or electrical equipment is the course of ignition, they should:

<p>Choose a comparison sample using the same make and model (B)</p> Signup and view all the answers

Records of transfer of evidence from person to person is:

<p>Chain of custody (B)</p> Signup and view all the answers

Which is true regarding the disposition of evidence after the completion of an investigation?

<p>A written record of authorization to dispose of the evidence should be kept (C)</p> Signup and view all the answers

While preparing to conduct an interview, you should always:

<p>Develop questions ahead of time (D)</p> Signup and view all the answers

The two most common methods of documenting an interview are to:

<p>Tape record and take written notes (D)</p> Signup and view all the answers

While correlating data and evaluating source information, a credible source that should be considered is:

<p>Public records maintained by the fire department (C)</p> Signup and view all the answers

A hypothesis must withstand the test of deductive reason or the investigator should:

<p>Discard it as not proveable (A)</p> Signup and view all the answers

The predominant service that a laboratory provides to fire investigators is the analysis of fire debris to:

<p>Identify suspected volatile accelerants (C)</p> Signup and view all the answers

What should be included in the summary section of an investigation report?

<p>Conclusions about the origin and cause of the fire (C)</p> Signup and view all the answers

A goal of every fire investigation is to produce ________ documents, samples, statements, information, data, and ________.

<p>Reliable, conclusions (B)</p> Signup and view all the answers

When testifying in legal proceedings, a witness should testify:

<p>In a clear, firm voice using understandable language and terms (A)</p> Signup and view all the answers

A fire investigator qualified as an expert should provide:

<p>Information to aid the judge and jury in understanding the facts at issue (C)</p> Signup and view all the answers

To qualify as an expert witness you must:

<p>Possesses special knowledge, training, and experience in the area of expertise (D)</p> Signup and view all the answers

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