NAFI Test Study Questions and
Answers23
Undeployed supplemental restraint systems (Airbags) in vehicles can pose a hazard to the
investigator if not rendered safe prior to examining the vehicle.
A. True
B. False - ANSWERS-A. True
Melted metals in a vehicle do not indicate which of the following?
A. Fluid line failure
B. Electrical Failure
C. Ignitable liquid as an accelerant
D. None of the above - ANSWERS-C. Ignitable liquid as an accelerant
In addition to providing electrical energy, the lead-acid battery can also be a source of fire in the
form of what type of gas? Section 27.5.3.2
A. Oxygen
B. Carbon Dioxide
C. Hydrogen
D. Other acidic gasses - ANSWERS-C. Hydrogen
In motor vehicles, the entire frame, body and engine may be used as the ground path?
,A. True
B. False - ANSWERS-A. True
Event Data Recorders record the vehicles parameters before and just after a crash, which of the
following does it not record?
A. Vehicle speed
B. Airbag deployment
C. Electrical failure
D. Engine RPM - ANSWERS-C. Electrical failure
Engine Control Modules are generally found on which of the following vehicles?
A. Fleet Trucks
B. Busses
C. Passenger cars
D. Both A and B - ANSWERS-D. Both A and B
The basic methodology of the fire investigation should rely on the use of a
______________________ and attention to all relevant details.
a. systematic approach
b. approximation approach
c. methodology approach
d. general approach - ANSWERS-a. systematic approach
, With few exceptions, the proper methodolgy for a fire or explosion investigation is to first
_____________________ then investigate the cause, circumstances, conditions, or agencies
that brought the ignition source, fuel, and oxidant together.
a. determine responsibility
b. determine and establish origin(s)
c. determine if it is a criminal action
d. all of the above - ANSWERS-b. determine and establish origin(s)
The process of determining the origin, cause, development, and responsibility as well as the
failure analysis of a fire or explosion is the definition of _________________________.
a. fire investigation
b. fire scene reconstruction
c. fire evaluation
d. fire analysis - ANSWERS-d. fire analysis
The process of determining the origin, cause, and responsibility for a fire or explosion is
___________________________.
a. fire analysis
b. fire investigation
c. fire scene survey
d. fire evaluation - ANSWERS-b. fire investigation
The _____________________ is the systematic pursite of knowledge involving the recognition
and formulation of a problem, the collection of data through observation and experiment, and
the formulation and testing of a hypothesis.
Answers23
Undeployed supplemental restraint systems (Airbags) in vehicles can pose a hazard to the
investigator if not rendered safe prior to examining the vehicle.
A. True
B. False - ANSWERS-A. True
Melted metals in a vehicle do not indicate which of the following?
A. Fluid line failure
B. Electrical Failure
C. Ignitable liquid as an accelerant
D. None of the above - ANSWERS-C. Ignitable liquid as an accelerant
In addition to providing electrical energy, the lead-acid battery can also be a source of fire in the
form of what type of gas? Section 27.5.3.2
A. Oxygen
B. Carbon Dioxide
C. Hydrogen
D. Other acidic gasses - ANSWERS-C. Hydrogen
In motor vehicles, the entire frame, body and engine may be used as the ground path?
,A. True
B. False - ANSWERS-A. True
Event Data Recorders record the vehicles parameters before and just after a crash, which of the
following does it not record?
A. Vehicle speed
B. Airbag deployment
C. Electrical failure
D. Engine RPM - ANSWERS-C. Electrical failure
Engine Control Modules are generally found on which of the following vehicles?
A. Fleet Trucks
B. Busses
C. Passenger cars
D. Both A and B - ANSWERS-D. Both A and B
The basic methodology of the fire investigation should rely on the use of a
______________________ and attention to all relevant details.
a. systematic approach
b. approximation approach
c. methodology approach
d. general approach - ANSWERS-a. systematic approach
, With few exceptions, the proper methodolgy for a fire or explosion investigation is to first
_____________________ then investigate the cause, circumstances, conditions, or agencies
that brought the ignition source, fuel, and oxidant together.
a. determine responsibility
b. determine and establish origin(s)
c. determine if it is a criminal action
d. all of the above - ANSWERS-b. determine and establish origin(s)
The process of determining the origin, cause, development, and responsibility as well as the
failure analysis of a fire or explosion is the definition of _________________________.
a. fire investigation
b. fire scene reconstruction
c. fire evaluation
d. fire analysis - ANSWERS-d. fire analysis
The process of determining the origin, cause, and responsibility for a fire or explosion is
___________________________.
a. fire analysis
b. fire investigation
c. fire scene survey
d. fire evaluation - ANSWERS-b. fire investigation
The _____________________ is the systematic pursite of knowledge involving the recognition
and formulation of a problem, the collection of data through observation and experiment, and
the formulation and testing of a hypothesis.
