FIRE INVESTIGATOR FINAL EXAM
QUESTIONS VERIFIED CORRECT
ANSWERS PASSED 100%
Fire Investigation - Correct Answer ✔✔ the process of determining the origin, cause,
and development of a fire or explosion
Standard - Correct Answer ✔✔ a document which contains mandatory provisions
Guide - Correct Answer ✔✔ a document that is advisory or informative in nature and
contains only nonmandatory provisions
NFPA 921 - Correct Answer ✔✔ Guide for fire and explosion investigations
NFPA 1033 - Correct Answer ✔✔ Standard for professional qualifications for fire
investigator
NFPA 1031 - Correct Answer ✔✔ Standard for professional qualifications for fire
inspector and plan examiner
NFPA 70 - Correct Answer ✔✔ National Electric Code (NEC)
Steps to investigate a fire - Correct Answer ✔✔ 1. Receive the assignment
2. Prepare for the investigation
3. Conduct the investigation
4. Collect and preserve evidence
5. Analyze the incident
6. Draw conclusions
7. Report
Scientific Method - Correct Answer ✔✔ the systematic pursuit of knowledge
Steps to the scientific method - Correct Answer ✔✔ 1. Recognize of the need to use the
scientific method
2. Define the problem
3. Collect Data
4. Analyze the Data
5. Develop a Hypothesis or Hypotheses
6. Test the Hypothesis
(7. Select a Final Hypothesis)
(8. Report)
, Scene safety assessment - Correct Answer ✔✔ inspection to determine whether the
scene is safe to enter or what steps would be necessary to render the scene safe
What is the first thing we do when we arrive on scene? - Correct Answer ✔✔ Scene
safety assessment
Hypothesis certainty - Correct Answer ✔✔ Probable
Possible
Suspected
Fire - Correct Answer ✔✔ a rapid oxidation resulting in the evolution of heat and light
Fire Triangle - Correct Answer ✔✔ The three components required to initiate
combustion - heat, fuel, and oxygen
Fire tetrahedron - Correct Answer ✔✔ The four components required to sustain
combustion - heat, fuel, oxygen, and uninhibited chemical chain reaction
Pyrolysis - Correct Answer ✔✔ decomposition of a material into simpler molecular
compounds by the effects of heat
Vaporization - Correct Answer ✔✔ heating liquids to produce ignitable vapors
Specific Gravity - Correct Answer ✔✔ The density of a substance in comparison to
water
What are the three states of matter? - Correct Answer ✔✔ Solid, liquid, and gas.
In which phase does fire occur? - Correct Answer ✔✔ Gas phase.
probable - Correct Answer ✔✔ More likely true than not (>50% likely).
possible - Correct Answer ✔✔ Feasible; often used when two hypotheses have the
same level of certainty.
suspected - Correct Answer ✔✔ When the opinion does not qualify as an expert
opinion.
What are the two types of combustion? - Correct Answer ✔✔ Flaming and
smoldering/glowing.
What are the characteristics of LPG? - Correct Answer ✔✔ Colorless, odorless, non-
toxic. Flammable range 1.5 - 15%. Vapor density 1.88 (will sink).
What are the characteristics of propane? - Correct Answer ✔✔ Colorless, odorless,
non-toxic. Flammable range 2 - 10%. Vapor density 1.55 (will sink).
QUESTIONS VERIFIED CORRECT
ANSWERS PASSED 100%
Fire Investigation - Correct Answer ✔✔ the process of determining the origin, cause,
and development of a fire or explosion
Standard - Correct Answer ✔✔ a document which contains mandatory provisions
Guide - Correct Answer ✔✔ a document that is advisory or informative in nature and
contains only nonmandatory provisions
NFPA 921 - Correct Answer ✔✔ Guide for fire and explosion investigations
NFPA 1033 - Correct Answer ✔✔ Standard for professional qualifications for fire
investigator
NFPA 1031 - Correct Answer ✔✔ Standard for professional qualifications for fire
inspector and plan examiner
NFPA 70 - Correct Answer ✔✔ National Electric Code (NEC)
Steps to investigate a fire - Correct Answer ✔✔ 1. Receive the assignment
2. Prepare for the investigation
3. Conduct the investigation
4. Collect and preserve evidence
5. Analyze the incident
6. Draw conclusions
7. Report
Scientific Method - Correct Answer ✔✔ the systematic pursuit of knowledge
Steps to the scientific method - Correct Answer ✔✔ 1. Recognize of the need to use the
scientific method
2. Define the problem
3. Collect Data
4. Analyze the Data
5. Develop a Hypothesis or Hypotheses
6. Test the Hypothesis
(7. Select a Final Hypothesis)
(8. Report)
, Scene safety assessment - Correct Answer ✔✔ inspection to determine whether the
scene is safe to enter or what steps would be necessary to render the scene safe
What is the first thing we do when we arrive on scene? - Correct Answer ✔✔ Scene
safety assessment
Hypothesis certainty - Correct Answer ✔✔ Probable
Possible
Suspected
Fire - Correct Answer ✔✔ a rapid oxidation resulting in the evolution of heat and light
Fire Triangle - Correct Answer ✔✔ The three components required to initiate
combustion - heat, fuel, and oxygen
Fire tetrahedron - Correct Answer ✔✔ The four components required to sustain
combustion - heat, fuel, oxygen, and uninhibited chemical chain reaction
Pyrolysis - Correct Answer ✔✔ decomposition of a material into simpler molecular
compounds by the effects of heat
Vaporization - Correct Answer ✔✔ heating liquids to produce ignitable vapors
Specific Gravity - Correct Answer ✔✔ The density of a substance in comparison to
water
What are the three states of matter? - Correct Answer ✔✔ Solid, liquid, and gas.
In which phase does fire occur? - Correct Answer ✔✔ Gas phase.
probable - Correct Answer ✔✔ More likely true than not (>50% likely).
possible - Correct Answer ✔✔ Feasible; often used when two hypotheses have the
same level of certainty.
suspected - Correct Answer ✔✔ When the opinion does not qualify as an expert
opinion.
What are the two types of combustion? - Correct Answer ✔✔ Flaming and
smoldering/glowing.
What are the characteristics of LPG? - Correct Answer ✔✔ Colorless, odorless, non-
toxic. Flammable range 1.5 - 15%. Vapor density 1.88 (will sink).
What are the characteristics of propane? - Correct Answer ✔✔ Colorless, odorless,
non-toxic. Flammable range 2 - 10%. Vapor density 1.55 (will sink).
