IAAI Fire Investigation Technician
(FIT) Practice Exam Questions and
Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. Origin Determination
The primary purpose of fire scene investigation is to determine:
A. Insurance liability
B. Fire origin and cause
C. Property replacement value
D. Fire department response time
Answer: B
Rationale: The core objective in fire investigation is determining where and how the fire started
(origin and cause).
2. NFPA 921
The recognized guide for fire and explosion investigations is:
A. OSHA 1910
B. NFPA 70E
C. NFPA 921
D. ICC 500
Answer: C
Rationale: NFPA 921 provides the scientific methodology for fire and explosion investigations.
3. Fire Pattern Interpretation
,A “V-pattern” typically indicates:
A. Electrical origin
B. Fire suppression point
C. Direction of fire spread
D. Fuel type used
Answer: C
Rationale: V-patterns help indicate the direction the fire traveled from its origin.
4. Spoliation
Spoliation refers to:
A. Fire suppression technique
B. Preservation of evidence
C. Alteration or destruction of evidence
D. Scene photography
Answer: C
Rationale: Spoliation is the improper handling or destruction of evidence that can compromise
an investigation.
5. Incendiary Fire Definition
An incendiary fire is:
A. Accidental fire
B. Natural fire
C. Intentionally set fire
D. Electrical fire only
Answer: C
Rationale: Incendiary fires are deliberately ignited by human action.
6. Point of Origin
The point of origin is:
, A. Where firefighters enter
B. Where fire is hottest
C. Where ignition began
D. Where smoke exits
Answer: C
Rationale: It is the exact location where ignition first occurred.
7. Heat Transfer
Which method involves direct contact?
A. Radiation
B. Convection
C. Conduction
D. Oxidation
Answer: C
Rationale: Conduction transfers heat through direct physical contact.
8. Flashover
Flashover is:
A. Electrical surge
B. Sudden ignition of all combustibles in a room
C. Smoke cooling phase
D. Water suppression stage
Answer: B
Rationale: Flashover occurs when radiant heat causes everything in a room to ignite almost
simultaneously.
9. NFPA 921 Scientific Method
First step is:
A. Analyze data
B. Collect data
(FIT) Practice Exam Questions and
Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. Origin Determination
The primary purpose of fire scene investigation is to determine:
A. Insurance liability
B. Fire origin and cause
C. Property replacement value
D. Fire department response time
Answer: B
Rationale: The core objective in fire investigation is determining where and how the fire started
(origin and cause).
2. NFPA 921
The recognized guide for fire and explosion investigations is:
A. OSHA 1910
B. NFPA 70E
C. NFPA 921
D. ICC 500
Answer: C
Rationale: NFPA 921 provides the scientific methodology for fire and explosion investigations.
3. Fire Pattern Interpretation
,A “V-pattern” typically indicates:
A. Electrical origin
B. Fire suppression point
C. Direction of fire spread
D. Fuel type used
Answer: C
Rationale: V-patterns help indicate the direction the fire traveled from its origin.
4. Spoliation
Spoliation refers to:
A. Fire suppression technique
B. Preservation of evidence
C. Alteration or destruction of evidence
D. Scene photography
Answer: C
Rationale: Spoliation is the improper handling or destruction of evidence that can compromise
an investigation.
5. Incendiary Fire Definition
An incendiary fire is:
A. Accidental fire
B. Natural fire
C. Intentionally set fire
D. Electrical fire only
Answer: C
Rationale: Incendiary fires are deliberately ignited by human action.
6. Point of Origin
The point of origin is:
, A. Where firefighters enter
B. Where fire is hottest
C. Where ignition began
D. Where smoke exits
Answer: C
Rationale: It is the exact location where ignition first occurred.
7. Heat Transfer
Which method involves direct contact?
A. Radiation
B. Convection
C. Conduction
D. Oxidation
Answer: C
Rationale: Conduction transfers heat through direct physical contact.
8. Flashover
Flashover is:
A. Electrical surge
B. Sudden ignition of all combustibles in a room
C. Smoke cooling phase
D. Water suppression stage
Answer: B
Rationale: Flashover occurs when radiant heat causes everything in a room to ignite almost
simultaneously.
9. NFPA 921 Scientific Method
First step is:
A. Analyze data
B. Collect data
