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NFPA 921 Definitions > NFPA 921 Definitions > Flashcards

NFPA 921 Definitions Flashcards

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1
Q

What does NFPA stand for?

A

National Fire Protection Association

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2
Q

What is the primary purpose of NFPA 921?

A

To provide guidelines for fire and explosion investigations.

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3
Q

True or False: NFPA 921 is a mandatory standard.

A

False

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4
Q

Fill in the blank: NFPA 921 is designed to assist __________ in understanding fire investigations.

A

investigators

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5
Q

What is defined as ‘the act of determining the origin, cause, and circumstances of a fire’?

A

Fire investigation

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6
Q

What does the term ‘ignition source’ refer to?

A

The material or event that initiates combustion.

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7
Q

Multiple Choice: Which of the following is NOT a type of fire investigation?

A

A. Residential B. Commercial C. Historical D. None of the above

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8
Q

What is the definition of ‘evidence’ in the context of fire investigations?

A

Any material item or information that can be used to establish facts.

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9
Q

True or False: ‘Fire Dynamics’ is a term used to describe how fire spreads and behaves.

A

True

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10
Q

What does ‘origin’ refer to in fire investigations?

A

The location where the fire started.

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11
Q

Fill in the blank: The __________ is responsible for determining the cause of a fire.

A

investigator

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12
Q

What is a ‘fire pattern’?

A

The physical evidence of the effects of fire on materials.

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13
Q

Multiple Choice: Which is a key component of fire investigation?

A

A. Scene examination B. Firefighting techniques C. Fire prevention D. None of the above

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14
Q

What does ‘combustion’ mean?

A

A chemical process of burning.

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15
Q

True or False: ‘Flashover’ is the sudden spread of fire through a room.

A

True

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16
Q

What is ‘arson’?

A

The willful and malicious burning or exploding of property.

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17
Q

Fill in the blank: __________ is the process of collecting and preserving evidence.

A

Documentation

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18
Q

What is the definition of ‘fire load’?

A

The total amount of combustible material in a given space.

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19
Q

Multiple Choice: Which term refers to the temperature at which a substance ignites?

A

A. Flash point B. Fire point C. Ignition temperature D. None of the above

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20
Q

What does ‘fire scene’ refer to?

A

The area where the fire occurred, including all physical evidence.

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21
Q

True or False: ‘Thermal layering’ is a concept related to how heat accumulates in a room.

A

True

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22
Q

What is ‘post-fire analysis’?

A

The examination and evaluation of evidence after a fire has been extinguished.

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23
Q

Fill in the blank: A __________ is a person who investigates the cause of a fire.

A

fire investigator

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24
Q

What does ‘accelerant’ mean?

A

A substance used to enhance the spread of fire.

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25
Multiple Choice: Which of the following is a type of evidence?
A. Testimonial B. Physical C. Documentary D. All of the above
26
What is the definition of 'fire suppression'?
The act of controlling or extinguishing a fire.
27
True or False: 'Spalling' refers to the breaking away of surface material due to heat exposure.
True
28
What is 'thermal imaging' used for in fire investigations?
To detect heat patterns and locate hot spots.
29
Fill in the blank: The __________ phase is when the investigation is initiated.
initial
30
What does 'scene preservation' entail?
Maintaining the integrity of the fire scene for investigation purposes.
31
Multiple Choice: Which term describes the area where fire has caused the most damage?
A. Area of origin B. Point of origin C. Fire zone D. None of the above
32
What is 'fire behavior'?
The manner in which fire reacts to its environment.
33
True or False: 'Lighter fluid' is an example of a flammable liquid.
True
34
What is 'smoke' in the context of fire?
A visible suspension of carbon or other particles in the air produced by burning.
35
Fill in the blank: __________ refers to the examination of the fire scene.
Scene analysis
36
What does 'combustible' mean?
A material that is capable of igniting and burning.
37
Multiple Choice: Which of the following is NOT considered a fire hazard?
A. Flammable materials B. Electrical equipment C. Fire alarms D. None of the above
38
What is 'fire spread'?
The movement of fire from one location to another.
39
True or False: 'Vapor density' is a measure of how heavy a vapor is compared to air.
True
40
What does 'fire triangle' represent?
The relationship between heat, fuel, and oxygen needed for combustion.
41
Fill in the blank: __________ is the process of determining the cause and origin of a fire.
Investigation
42
What is 'fire risk assessment'?
The evaluation of the potential for fire hazards.
43
Multiple Choice: Which term refers to the point at which a substance will ignite?
A. Flash point B. Fire point C. Ignition temperature D. All of the above
44
What does 'fire safety' involve?
Measures taken to reduce the risk of fire.
45
True or False: 'Flashover' typically occurs in the early stages of a fire.
False
46
What is 'spontaneous combustion'?
The occurrence of fire without an external ignition source.
47
Fill in the blank: The __________ phase involves gathering and analyzing evidence.
investigative
48
What does 'fire prevention' mean?
Actions taken to avoid the occurrence of fire.
49
Multiple Choice: Which of the following is a common method of fire suppression?
A. Water B. Chemicals C. Foam D. All of the above
50
What is 'fire code'?
Regulations that govern fire safety and prevention.
51
True or False: 'Inhalation' is a common cause of fire-related injuries.
True
52
What does 'fire alarm' refer to?
A system designed to detect and alert occupants of a fire.
53
Fill in the blank: The __________ phase concludes the investigation.
conclusion
54
What is 'fire investigation report'?
A document that summarizes the findings of a fire investigation.
55
Multiple Choice: Which of the following is key in determining the cause of a fire?
A. Witness interviews B. Physical evidence C. Fire dynamics D. All of the above
56
What does 'flammable' mean?
A substance that can easily ignite and burn.
57
True or False: 'Investigative techniques' are not important in fire investigations.
False
58
What is 'fire scene reconstruction'?
The process of recreating the events leading up to and during a fire.
59
Fill in the blank: __________ is a key part of the fire investigation process.
Analysis
60
What does 'fire dynamics' study?
The behavior and effects of fire in a given environment.
61
Multiple Choice: Which term describes a fire's point of origin?
A. Area of origin B. Point of origin C. Fire zone D. None of the above
62
What is 'fire load density'?
The amount of combustible material per unit area.
63
True or False: 'Evidence collection' is not part of fire investigations.
False
64
What does 'thermal conductivity' refer to?
The ability of a material to conduct heat.
65
Fill in the blank: __________ refers to the presence of materials that can ignite.
Fire hazards
66
What is 'fire scene documentation'?
The process of recording observations and evidence at a fire scene.
67
Multiple Choice: Which of the following is a factor in fire risk?
A. Ignition sources B. Fuel types C. Environmental conditions D. All of the above
68
What does 'smoke detector' do?
It detects smoke as an indicator of fire.
69
True or False: 'Ventilation' can influence fire behavior.
True
70
What is 'fire suppression system'?
A system designed to extinguish or control fires.
71
Fill in the blank: __________ is the study of how fires start and spread.
Fire science
72
What does 'combustion chemistry' involve?
The chemical reactions that occur during burning.
73
Multiple Choice: Which of the following is a type of fire extinguishing agent?
A. Water B. Foam C. Powder D. All of the above
74
What is 'fire investigation methodology'?
The systematic approach to conducting fire investigations.
75
True or False: 'Firefighter training' is irrelevant to fire investigations.
False
76
What does 'fire behavior analysis' focus on?
Understanding how fire interacts with its environment.
77
Fill in the blank: __________ is essential for accurate fire investigations.
Objectivity
78
What is 'forensic fire investigation'?
The application of forensic science in fire investigation.
79
Multiple Choice: Which of the following is a common fire investigation tool?
A. Thermal camera B. Fire extinguisher C. Fire hose D. None of the above
80
What does 'fire investigation training' provide?
Education on techniques and methodologies for investigating fires.
81
True or False: 'Fire codes' are solely for building construction.
False
82
What is 'fire scene safety'?
Measures taken to ensure the safety of personnel at a fire scene.
83
Fill in the blank: __________ is a key factor in fire prevention efforts.
Education
84
What does 'fire investigation ethics' encompass?
The moral principles guiding fire investigations.
85
Multiple Choice: Which of the following is NOT a method of fire suppression?
A. Water B. Foam C. Ignition D. None of the above
86
What is 'fire investigation certification'?
A credential indicating proficiency in fire investigation.

NFPA 921 Definitions (2 decks)

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