IICRC Fire & Smoke Restoration Technician Exam Prep – Real Practice
Questions, Answers & Detailed Rationales (Updated 2026) | Fire &
Smoke Damage Assessment, Soot & Odor Removal Techniques, Structural
Cleaning & Restoration Procedures, Deodorization Methods, HVAC Smoke
Contamination, Cleaning Chemicals & Safety Standards, Restoration
Documentation & IICRC FSRT Certification Review
Question 1: According to the ANSI/IICRC S700 Standard, what is the primary
purpose of conducting a pre-restoration inspection at a fire-damaged property?
A. To determine the exact cost of restoration before beginning work
B. To identify the types of smoke residues, extent of damage, and appropriate
restoration methods
C. To assign blame for the fire incident to the property owner or tenant
D. To immediately begin demolition of all affected materials
CORRECT ANSWER: B. To identify the types of smoke residues, extent of damage,
and appropriate restoration methods
Rationale: The ANSI/IICRC S700 Standard emphasizes that a thorough pre-restoration
inspection is critical to evaluate the types of smoke residues present (protein,
petroleum, natural substance, synthetic), assess the extent of structural and content
damage, and determine the most effective cleaning, deodorization, and restoration
strategies. This systematic approach ensures appropriate methods are selected and
documented for successful project completion.
Question 2: Which type of smoke residue is typically produced by the incomplete
combustion of natural organic materials such as wood, paper, or cotton?
A. Protein residue
B. Petroleum residue
C. Natural substance residue
D. Synthetic residue
CORRECT ANSWER: C. Natural substance residue
Rationale: Natural substance residues result from the incomplete combustion of
organic materials like wood, paper, cotton, and other cellulose-based products. These
residues are typically dry, powdery, and gray to black in color. Understanding residue
classification is essential for selecting appropriate cleaning agents and methods per
IICRC guidelines.
Question 3: What is the recommended first step when entering a fire-damaged
structure for restoration work?
A. Begin cleaning visible soot deposits immediately
B. Conduct a safety assessment to identify structural hazards, electrical risks, and air
quality concerns
,C. Remove all contents from the structure for off-site cleaning
D. Apply deodorization treatments to neutralize odors
CORRECT ANSWER: B. Conduct a safety assessment to identify structural hazards,
electrical risks, and air quality concerns
Rationale: Technician and occupant safety is paramount in fire restoration. Before any
restoration activities begin, a comprehensive safety assessment must identify
structural instability, electrical hazards, chemical exposures, asbestos, lead, or other
contaminants. This aligns with IICRC safety protocols and OSHA requirements for
hazardous environments.
Question 4: Which air filtration device is most appropriate for removing fine smoke
particles and odors from the air during fire restoration?
A. Standard box fan
B. High-Efficiency Particulate Air (HEPA) filter air scrubber with activated carbon pre-
filter
C. Residential window air conditioner
D. Dehumidifier with standard filter
CORRECT ANSWER: B. High-Efficiency Particulate Air (HEPA) filter air scrubber with
activated carbon pre-filter
Rationale: HEPA air scrubbers capture particles as small as 0.3 microns with 99.97%
efficiency, while activated carbon pre-filters adsorb volatile organic compounds (VOCs)
and odor molecules. This combination is specified in IICRC guidelines for effective air
quality management during fire and smoke restoration projects.
Question 5: When documenting fire damage for insurance purposes, which
practice is considered essential per IICRC standards?
A. Taking photographs only after cleaning is complete
B. Creating a detailed inventory with photographs, descriptions, and condition
assessments before, during, and after restoration
C. Relying solely on the insurance adjuster's documentation
D. Documenting only structural damage and ignoring contents
CORRECT ANSWER: B. Creating a detailed inventory with photographs,
descriptions, and condition assessments before, during, and after restoration
Rationale: Comprehensive documentation is a cornerstone of professional fire
restoration per ANSI/IICRC S700. Detailed inventories with photographic evidence,
condition reports, and restoration notes support accurate scoping, justify restoration
decisions, facilitate insurance claims, and protect against spoliation allegations.
Question 6: Which cleaning method is most appropriate for removing dry, powdery
soot from non-porous surfaces such as glass or metal?
,A. Wet cleaning with alkaline detergent
B. Dry cleaning using a HEPA vacuum followed by dry sponge or chemical sponge
C. Aggressive abrasive scrubbing with steel wool
D. High-pressure water washing
CORRECT ANSWER: B. Dry cleaning using a HEPA vacuum followed by dry sponge
or chemical sponge
Rationale: Dry, powdery soot residues should first be removed using HEPA vacuuming
to prevent embedding particles into surfaces. Chemical sponges (dry cleaning sponges)
effectively lift residual soot without spreading contamination or requiring moisture that
could cause secondary damage on non-porous substrates.
Question 7: What is the primary function of thermal fogging in fire restoration
deodorization?
A. To permanently seal odor molecules within surfaces
B. To introduce deodorizing agents as a fine mist that penetrates materials to neutralize
odor particles
C. To increase humidity levels to accelerate drying
D. To disinfect surfaces affected by fire suppression water
CORRECT ANSWER: B. To introduce deodorizing agents as a fine mist that
penetrates materials to neutralize odor particles
Rationale: Thermal fogging produces a fine, heated mist of deodorizing agents that
mimics smoke particle behavior, allowing penetration into porous materials and void
spaces where odor molecules reside. The deodorizer chemically neutralizes or masks
odor compounds. Proper application requires understanding of ventilation, safety, and
compatibility per IICRC guidelines.
Question 8: Which factor most significantly influences the difficulty of cleaning
fire-damaged contents?
A. The color of the smoke residue
B. Whether the burned materials were organic or inorganic in composition
C. The time of day the fire occurred
D. The brand of cleaning equipment used
CORRECT ANSWER: B. Whether the burned materials were organic or inorganic in
composition
Rationale: The chemical composition of burned materials directly affects residue
characteristics. Organic materials (proteins, natural substances) produce different
residues than inorganic materials (petroleum, synthetics), requiring distinct cleaning
approaches. Understanding this distinction is fundamental to effective restoration per
IICRC training.
, Question 9: What is the recommended action when encountering asbestos-
containing materials during fire restoration?
A. Proceed with normal cleaning procedures using enhanced PPE
B. Immediately halt work, secure the area, and engage a licensed asbestos abatement
contractor
C. Wet the materials and continue restoration to minimize fiber release
D. Remove the materials yourself and dispose of them in regular waste containers
CORRECT ANSWER: B. Immediately halt work, secure the area, and engage a
licensed asbestos abatement contractor
Rationale: Asbestos is a regulated hazardous material. Fire damage can disturb
asbestos-containing materials, releasing dangerous fibers. IICRC and OSHA protocols
require immediate cessation of work, area isolation, and engagement of licensed
abatement professionals to ensure regulatory compliance and occupant safety.
Question 10: Which deodorization technique is most appropriate for treating odor
trapped within wall cavities and subflooring?
A. Surface application of aerosol air fresheners
B. Injection of deodorizing agents using specialized equipment to reach concealed
spaces
C. Opening windows for natural ventilation only
D. Placing bowls of baking soda in affected rooms
CORRECT ANSWER: B. Injection of deodorizing agents using specialized equipment
to reach concealed spaces
Rationale: Odor molecules can penetrate concealed structural spaces. Effective
deodorization requires techniques like injection fogging, drill-and-fill applications, or
hydroxyl generators that deliver deodorizing agents directly into wall cavities, subfloors,
and other inaccessible areas where smoke residues and odors persist.
Question 11: What does the term "spoliation" refer to in the context of fire
restoration?
A. The process of removing soot from surfaces
B. The destruction, alteration, or loss of evidence that may be relevant to an insurance
claim or legal proceeding
C. The application of sealants to prevent odor recurrence
D. The separation of salvageable from non-salvageable contents
CORRECT ANSWER: B. The destruction, alteration, or loss of evidence that may be
relevant to an insurance claim or legal proceeding
Rationale: Spoliation is a legal concept critical to restoration professionals. Improper
handling, premature disposal, or inadequate documentation of fire-damaged items can
constitute spoliation, potentially jeopardizing insurance claims or litigation. IICRC
Questions, Answers & Detailed Rationales (Updated 2026) | Fire &
Smoke Damage Assessment, Soot & Odor Removal Techniques, Structural
Cleaning & Restoration Procedures, Deodorization Methods, HVAC Smoke
Contamination, Cleaning Chemicals & Safety Standards, Restoration
Documentation & IICRC FSRT Certification Review
Question 1: According to the ANSI/IICRC S700 Standard, what is the primary
purpose of conducting a pre-restoration inspection at a fire-damaged property?
A. To determine the exact cost of restoration before beginning work
B. To identify the types of smoke residues, extent of damage, and appropriate
restoration methods
C. To assign blame for the fire incident to the property owner or tenant
D. To immediately begin demolition of all affected materials
CORRECT ANSWER: B. To identify the types of smoke residues, extent of damage,
and appropriate restoration methods
Rationale: The ANSI/IICRC S700 Standard emphasizes that a thorough pre-restoration
inspection is critical to evaluate the types of smoke residues present (protein,
petroleum, natural substance, synthetic), assess the extent of structural and content
damage, and determine the most effective cleaning, deodorization, and restoration
strategies. This systematic approach ensures appropriate methods are selected and
documented for successful project completion.
Question 2: Which type of smoke residue is typically produced by the incomplete
combustion of natural organic materials such as wood, paper, or cotton?
A. Protein residue
B. Petroleum residue
C. Natural substance residue
D. Synthetic residue
CORRECT ANSWER: C. Natural substance residue
Rationale: Natural substance residues result from the incomplete combustion of
organic materials like wood, paper, cotton, and other cellulose-based products. These
residues are typically dry, powdery, and gray to black in color. Understanding residue
classification is essential for selecting appropriate cleaning agents and methods per
IICRC guidelines.
Question 3: What is the recommended first step when entering a fire-damaged
structure for restoration work?
A. Begin cleaning visible soot deposits immediately
B. Conduct a safety assessment to identify structural hazards, electrical risks, and air
quality concerns
,C. Remove all contents from the structure for off-site cleaning
D. Apply deodorization treatments to neutralize odors
CORRECT ANSWER: B. Conduct a safety assessment to identify structural hazards,
electrical risks, and air quality concerns
Rationale: Technician and occupant safety is paramount in fire restoration. Before any
restoration activities begin, a comprehensive safety assessment must identify
structural instability, electrical hazards, chemical exposures, asbestos, lead, or other
contaminants. This aligns with IICRC safety protocols and OSHA requirements for
hazardous environments.
Question 4: Which air filtration device is most appropriate for removing fine smoke
particles and odors from the air during fire restoration?
A. Standard box fan
B. High-Efficiency Particulate Air (HEPA) filter air scrubber with activated carbon pre-
filter
C. Residential window air conditioner
D. Dehumidifier with standard filter
CORRECT ANSWER: B. High-Efficiency Particulate Air (HEPA) filter air scrubber with
activated carbon pre-filter
Rationale: HEPA air scrubbers capture particles as small as 0.3 microns with 99.97%
efficiency, while activated carbon pre-filters adsorb volatile organic compounds (VOCs)
and odor molecules. This combination is specified in IICRC guidelines for effective air
quality management during fire and smoke restoration projects.
Question 5: When documenting fire damage for insurance purposes, which
practice is considered essential per IICRC standards?
A. Taking photographs only after cleaning is complete
B. Creating a detailed inventory with photographs, descriptions, and condition
assessments before, during, and after restoration
C. Relying solely on the insurance adjuster's documentation
D. Documenting only structural damage and ignoring contents
CORRECT ANSWER: B. Creating a detailed inventory with photographs,
descriptions, and condition assessments before, during, and after restoration
Rationale: Comprehensive documentation is a cornerstone of professional fire
restoration per ANSI/IICRC S700. Detailed inventories with photographic evidence,
condition reports, and restoration notes support accurate scoping, justify restoration
decisions, facilitate insurance claims, and protect against spoliation allegations.
Question 6: Which cleaning method is most appropriate for removing dry, powdery
soot from non-porous surfaces such as glass or metal?
,A. Wet cleaning with alkaline detergent
B. Dry cleaning using a HEPA vacuum followed by dry sponge or chemical sponge
C. Aggressive abrasive scrubbing with steel wool
D. High-pressure water washing
CORRECT ANSWER: B. Dry cleaning using a HEPA vacuum followed by dry sponge
or chemical sponge
Rationale: Dry, powdery soot residues should first be removed using HEPA vacuuming
to prevent embedding particles into surfaces. Chemical sponges (dry cleaning sponges)
effectively lift residual soot without spreading contamination or requiring moisture that
could cause secondary damage on non-porous substrates.
Question 7: What is the primary function of thermal fogging in fire restoration
deodorization?
A. To permanently seal odor molecules within surfaces
B. To introduce deodorizing agents as a fine mist that penetrates materials to neutralize
odor particles
C. To increase humidity levels to accelerate drying
D. To disinfect surfaces affected by fire suppression water
CORRECT ANSWER: B. To introduce deodorizing agents as a fine mist that
penetrates materials to neutralize odor particles
Rationale: Thermal fogging produces a fine, heated mist of deodorizing agents that
mimics smoke particle behavior, allowing penetration into porous materials and void
spaces where odor molecules reside. The deodorizer chemically neutralizes or masks
odor compounds. Proper application requires understanding of ventilation, safety, and
compatibility per IICRC guidelines.
Question 8: Which factor most significantly influences the difficulty of cleaning
fire-damaged contents?
A. The color of the smoke residue
B. Whether the burned materials were organic or inorganic in composition
C. The time of day the fire occurred
D. The brand of cleaning equipment used
CORRECT ANSWER: B. Whether the burned materials were organic or inorganic in
composition
Rationale: The chemical composition of burned materials directly affects residue
characteristics. Organic materials (proteins, natural substances) produce different
residues than inorganic materials (petroleum, synthetics), requiring distinct cleaning
approaches. Understanding this distinction is fundamental to effective restoration per
IICRC training.
, Question 9: What is the recommended action when encountering asbestos-
containing materials during fire restoration?
A. Proceed with normal cleaning procedures using enhanced PPE
B. Immediately halt work, secure the area, and engage a licensed asbestos abatement
contractor
C. Wet the materials and continue restoration to minimize fiber release
D. Remove the materials yourself and dispose of them in regular waste containers
CORRECT ANSWER: B. Immediately halt work, secure the area, and engage a
licensed asbestos abatement contractor
Rationale: Asbestos is a regulated hazardous material. Fire damage can disturb
asbestos-containing materials, releasing dangerous fibers. IICRC and OSHA protocols
require immediate cessation of work, area isolation, and engagement of licensed
abatement professionals to ensure regulatory compliance and occupant safety.
Question 10: Which deodorization technique is most appropriate for treating odor
trapped within wall cavities and subflooring?
A. Surface application of aerosol air fresheners
B. Injection of deodorizing agents using specialized equipment to reach concealed
spaces
C. Opening windows for natural ventilation only
D. Placing bowls of baking soda in affected rooms
CORRECT ANSWER: B. Injection of deodorizing agents using specialized equipment
to reach concealed spaces
Rationale: Odor molecules can penetrate concealed structural spaces. Effective
deodorization requires techniques like injection fogging, drill-and-fill applications, or
hydroxyl generators that deliver deodorizing agents directly into wall cavities, subfloors,
and other inaccessible areas where smoke residues and odors persist.
Question 11: What does the term "spoliation" refer to in the context of fire
restoration?
A. The process of removing soot from surfaces
B. The destruction, alteration, or loss of evidence that may be relevant to an insurance
claim or legal proceeding
C. The application of sealants to prevent odor recurrence
D. The separation of salvageable from non-salvageable contents
CORRECT ANSWER: B. The destruction, alteration, or loss of evidence that may be
relevant to an insurance claim or legal proceeding
Rationale: Spoliation is a legal concept critical to restoration professionals. Improper
handling, premature disposal, or inadequate documentation of fire-damaged items can
constitute spoliation, potentially jeopardizing insurance claims or litigation. IICRC
