IICRC FSRT Certification Exam 2026/2027 –
Complete Study Guide, Questions and
Answers with Rationales
SECTION 1 — FIRE & SMOKE DAMAGE FUNDAMENTALS
1. What is the primary purpose of fire and smoke damage restoration?
A. Reconstruct every damaged building
B. Restore affected structures and contents to an acceptable condition
C. Remove only visible soot
D. Replace all porous materials
Answer: B
Rationale: Restoration involves assessing, mitigating, cleaning, deodorizing, and
documenting affected structures and contents rather than automatically replacing
everything.
2. Which three components make up the traditional fire triangle?
A. Smoke, heat, and oxygen
B. Fuel, oxygen, and heat
C. Fuel, smoke, and water
D. Carbon, oxygen, and moisture
Answer: B
Rationale: Combustion traditionally requires fuel, an oxidizing agent such as
oxygen, and sufficient heat.
,3. What is smoke primarily composed of?
A. Water vapor only
B. Combustion products and particulate matter
C. Carbon dioxide only
D. Ash only
Answer: B
Rationale: Smoke contains gases, vapors, aerosols, and particulate residues
generated during combustion.
4. Which factor most strongly affects the characteristics of fire residues?
A. Building address
B. Type of fuel involved
C. Number of occupants
D. Time of day
Answer: B
Rationale: The material being burned strongly influences residue characteristics,
odor, color, texture, and cleaning difficulty.
5. What is pyrolysis?
A. Cooling a fire with water
B. Chemical decomposition caused by heat
C. Removal of soot by vacuuming
D. Oxidation caused by cleaning chemicals
Answer: B
Rationale: Pyrolysis is thermal decomposition of material caused by heat, often
producing combustible gases and residues.
6. Why is rapid stabilization important after a fire?
,A. It eliminates the need for documentation
B. It helps limit secondary damage
C. It guarantees insurance payment
D. It removes all odors immediately
Answer: B
Rationale: Prompt stabilization can reduce additional deterioration, corrosion,
staining, odor absorption, and contamination.
7. Which condition can contribute to corrosion after a fire?
A. Fire residues combined with moisture
B. Clean dry air
C. Low humidity alone
D. New construction materials
Answer: A
Rationale: Moisture and acidic or chemically reactive fire residues can accelerate
corrosion of metals and electronic components.
8. Why should restoration technicians identify the source and type of fire
residue?
A. To select appropriate cleaning methods
B. To determine the homeowner's income
C. To calculate property taxes
D. To avoid documenting the loss
Answer: A
Rationale: Residue characteristics influence cleaning chemistry, mechanical
action, equipment selection, and restoration strategy.
9. Which is an example of secondary damage?
, A. Original flame damage
B. Smoke deposition occurring during the fire
C. Corrosion occurring after the fire
D. Heat produced by combustion
Answer: C
Rationale: Secondary damage develops after the original event and may include
corrosion, staining, odor, or deterioration caused by residues and moisture.
10. Why can smoke travel far beyond the area directly burned?
A. Smoke cannot move through buildings
B. Air movement distributes smoke particles and gases
C. Smoke only moves downward
D. Smoke travels only through plumbing
Answer: B
Rationale: Pressure differences, HVAC systems, convection, and air movement
can distribute smoke throughout structures.
11. What is the difference between fire damage and smoke damage?
A. They are always identical
B. Fire damage is limited to contents
C. Smoke damage can affect areas not directly burned
D. Smoke damage occurs only outdoors
Answer: C
Rationale: Smoke can migrate into unaffected rooms and deposit residues on
surfaces and contents far from the fire origin.
12. What does “mitigation” generally mean in restoration?
Complete Study Guide, Questions and
Answers with Rationales
SECTION 1 — FIRE & SMOKE DAMAGE FUNDAMENTALS
1. What is the primary purpose of fire and smoke damage restoration?
A. Reconstruct every damaged building
B. Restore affected structures and contents to an acceptable condition
C. Remove only visible soot
D. Replace all porous materials
Answer: B
Rationale: Restoration involves assessing, mitigating, cleaning, deodorizing, and
documenting affected structures and contents rather than automatically replacing
everything.
2. Which three components make up the traditional fire triangle?
A. Smoke, heat, and oxygen
B. Fuel, oxygen, and heat
C. Fuel, smoke, and water
D. Carbon, oxygen, and moisture
Answer: B
Rationale: Combustion traditionally requires fuel, an oxidizing agent such as
oxygen, and sufficient heat.
,3. What is smoke primarily composed of?
A. Water vapor only
B. Combustion products and particulate matter
C. Carbon dioxide only
D. Ash only
Answer: B
Rationale: Smoke contains gases, vapors, aerosols, and particulate residues
generated during combustion.
4. Which factor most strongly affects the characteristics of fire residues?
A. Building address
B. Type of fuel involved
C. Number of occupants
D. Time of day
Answer: B
Rationale: The material being burned strongly influences residue characteristics,
odor, color, texture, and cleaning difficulty.
5. What is pyrolysis?
A. Cooling a fire with water
B. Chemical decomposition caused by heat
C. Removal of soot by vacuuming
D. Oxidation caused by cleaning chemicals
Answer: B
Rationale: Pyrolysis is thermal decomposition of material caused by heat, often
producing combustible gases and residues.
6. Why is rapid stabilization important after a fire?
,A. It eliminates the need for documentation
B. It helps limit secondary damage
C. It guarantees insurance payment
D. It removes all odors immediately
Answer: B
Rationale: Prompt stabilization can reduce additional deterioration, corrosion,
staining, odor absorption, and contamination.
7. Which condition can contribute to corrosion after a fire?
A. Fire residues combined with moisture
B. Clean dry air
C. Low humidity alone
D. New construction materials
Answer: A
Rationale: Moisture and acidic or chemically reactive fire residues can accelerate
corrosion of metals and electronic components.
8. Why should restoration technicians identify the source and type of fire
residue?
A. To select appropriate cleaning methods
B. To determine the homeowner's income
C. To calculate property taxes
D. To avoid documenting the loss
Answer: A
Rationale: Residue characteristics influence cleaning chemistry, mechanical
action, equipment selection, and restoration strategy.
9. Which is an example of secondary damage?
, A. Original flame damage
B. Smoke deposition occurring during the fire
C. Corrosion occurring after the fire
D. Heat produced by combustion
Answer: C
Rationale: Secondary damage develops after the original event and may include
corrosion, staining, odor, or deterioration caused by residues and moisture.
10. Why can smoke travel far beyond the area directly burned?
A. Smoke cannot move through buildings
B. Air movement distributes smoke particles and gases
C. Smoke only moves downward
D. Smoke travels only through plumbing
Answer: B
Rationale: Pressure differences, HVAC systems, convection, and air movement
can distribute smoke throughout structures.
11. What is the difference between fire damage and smoke damage?
A. They are always identical
B. Fire damage is limited to contents
C. Smoke damage can affect areas not directly burned
D. Smoke damage occurs only outdoors
Answer: C
Rationale: Smoke can migrate into unaffected rooms and deposit residues on
surfaces and contents far from the fire origin.
12. What does “mitigation” generally mean in restoration?
