2026 IICRC WRT – Water Restoration Technician Exam Prep Study Guide |
Professional Water Damage Restoration Standards | High-Yield Practice
Questions with Detailed Explanations, Moisture Detection, Water Extraction
Techniques, Drying and Dehumidification, Safety and PPE Standards, Equipment
Operation, Contaminant Control, Real-World Jobsite Scenarios, and Complete
Review to Pass the IICRC WRT Certification Exam on the First Attempt
Question 1
What is the first step in water damage restoration?
• A) Assess the damage
• B) Remove standing water
• C) Begin drying
• D) Apply antimicrobial agents
Correct Answer: A) Assess the damage
Rationale: Assessing the damage is crucial as it helps in understanding the extent of
the water intrusion and planning the restoration process accordingly.
Question 2
Which of the following is considered a Class 1 water loss?
• A) Water intrusion affecting carpets and walls
• B) Water intrusion affecting a small area with minimal absorption
• C) Water affecting multiple rooms
• D) Water intrusion from contaminated sources
Correct Answer: B) Water intrusion affecting a small area with minimal absorption
Rationale: Class 1 water loss involves minimal absorption and damage, typically
affecting just a small part of the structure.
Question 3
What is the primary purpose of dehumidification in water restoration?
• A) To remove standing water
• B) To prevent mold growth
• C) To ventilate the area
• D) To restore the structural integrity
Correct Answer: B) To prevent mold growth
,2026 IICRC WRT – Water Restoration Technician Exam Prep Study Guide |
Professional Water Damage Restoration Standards | High-Yield Practice
Questions with Detailed Explanations, Moisture Detection, Water Extraction
Techniques, Drying and Dehumidification, Safety and PPE Standards, Equipment
Operation, Contaminant Control, Real-World Jobsite Scenarios, and Complete
Review to Pass the IICRC WRT Certification Exam on the First Attempt
Rationale: Dehumidification reduces humidity levels in the air, which is essential in
preventing mold from developing in damp environments.
Question 4
In water damage situations, what should be the moisture content threshold for
wood to indicate a problem?
• A) Below 10%
• B) 10% - 15%
• C) 15% - 20%
• D) Above 20%
Correct Answer: D) Above 20%
Rationale: Wood should generally have a moisture content below 20% to prevent
issues like mold and decay.
Question 5
Which of the following best describes 'Category 3' water?
• A) Water from a clean source
• B) Water from a greywater source
• C) Water that is heavily contaminated
• D) Water from a controlled environment
Correct Answer: C) Water that is heavily contaminated
Rationale: Category 3 water, also known as black water, is unsanitary and poses health
risks, often containing harmful bacteria and viruses.
Question 6
Which of the following materials is most likely to absorb water and retain moisture?
• A) Brick
• B) Glass
, 2026 IICRC WRT – Water Restoration Technician Exam Prep Study Guide |
Professional Water Damage Restoration Standards | High-Yield Practice
Questions with Detailed Explanations, Moisture Detection, Water Extraction
Techniques, Drying and Dehumidification, Safety and PPE Standards, Equipment
Operation, Contaminant Control, Real-World Jobsite Scenarios, and Complete
Review to Pass the IICRC WRT Certification Exam on the First Attempt
• C) Gypsum board
• D) Vinyl
Correct Answer: C) Gypsum board
Rationale: Gypsum board (drywall) is highly absorbent and can retain moisture, making
it susceptible to mold growth.
Question 7
What is the primary goal of water extraction?
• A) To dry the structure
• B) To sanitize the area
• C) To remove as much water as possible
• D) To assess the damage
Correct Answer: C) To remove as much water as possible
Rationale: The main objective of water extraction is to eliminate as much standing
water as possible to prevent further damage.
Question 8
Which tool is commonly used to measure moisture content in materials?
• A) Hygrometer
• B) Moisture meter
• C) Psychrometer
• D) Thermometer
Correct Answer: B) Moisture meter
Rationale: A moisture meter is specifically designed to measure the moisture content
in various materials, indicating potential water damage.
Question 9
Professional Water Damage Restoration Standards | High-Yield Practice
Questions with Detailed Explanations, Moisture Detection, Water Extraction
Techniques, Drying and Dehumidification, Safety and PPE Standards, Equipment
Operation, Contaminant Control, Real-World Jobsite Scenarios, and Complete
Review to Pass the IICRC WRT Certification Exam on the First Attempt
Question 1
What is the first step in water damage restoration?
• A) Assess the damage
• B) Remove standing water
• C) Begin drying
• D) Apply antimicrobial agents
Correct Answer: A) Assess the damage
Rationale: Assessing the damage is crucial as it helps in understanding the extent of
the water intrusion and planning the restoration process accordingly.
Question 2
Which of the following is considered a Class 1 water loss?
• A) Water intrusion affecting carpets and walls
• B) Water intrusion affecting a small area with minimal absorption
• C) Water affecting multiple rooms
• D) Water intrusion from contaminated sources
Correct Answer: B) Water intrusion affecting a small area with minimal absorption
Rationale: Class 1 water loss involves minimal absorption and damage, typically
affecting just a small part of the structure.
Question 3
What is the primary purpose of dehumidification in water restoration?
• A) To remove standing water
• B) To prevent mold growth
• C) To ventilate the area
• D) To restore the structural integrity
Correct Answer: B) To prevent mold growth
,2026 IICRC WRT – Water Restoration Technician Exam Prep Study Guide |
Professional Water Damage Restoration Standards | High-Yield Practice
Questions with Detailed Explanations, Moisture Detection, Water Extraction
Techniques, Drying and Dehumidification, Safety and PPE Standards, Equipment
Operation, Contaminant Control, Real-World Jobsite Scenarios, and Complete
Review to Pass the IICRC WRT Certification Exam on the First Attempt
Rationale: Dehumidification reduces humidity levels in the air, which is essential in
preventing mold from developing in damp environments.
Question 4
In water damage situations, what should be the moisture content threshold for
wood to indicate a problem?
• A) Below 10%
• B) 10% - 15%
• C) 15% - 20%
• D) Above 20%
Correct Answer: D) Above 20%
Rationale: Wood should generally have a moisture content below 20% to prevent
issues like mold and decay.
Question 5
Which of the following best describes 'Category 3' water?
• A) Water from a clean source
• B) Water from a greywater source
• C) Water that is heavily contaminated
• D) Water from a controlled environment
Correct Answer: C) Water that is heavily contaminated
Rationale: Category 3 water, also known as black water, is unsanitary and poses health
risks, often containing harmful bacteria and viruses.
Question 6
Which of the following materials is most likely to absorb water and retain moisture?
• A) Brick
• B) Glass
, 2026 IICRC WRT – Water Restoration Technician Exam Prep Study Guide |
Professional Water Damage Restoration Standards | High-Yield Practice
Questions with Detailed Explanations, Moisture Detection, Water Extraction
Techniques, Drying and Dehumidification, Safety and PPE Standards, Equipment
Operation, Contaminant Control, Real-World Jobsite Scenarios, and Complete
Review to Pass the IICRC WRT Certification Exam on the First Attempt
• C) Gypsum board
• D) Vinyl
Correct Answer: C) Gypsum board
Rationale: Gypsum board (drywall) is highly absorbent and can retain moisture, making
it susceptible to mold growth.
Question 7
What is the primary goal of water extraction?
• A) To dry the structure
• B) To sanitize the area
• C) To remove as much water as possible
• D) To assess the damage
Correct Answer: C) To remove as much water as possible
Rationale: The main objective of water extraction is to eliminate as much standing
water as possible to prevent further damage.
Question 8
Which tool is commonly used to measure moisture content in materials?
• A) Hygrometer
• B) Moisture meter
• C) Psychrometer
• D) Thermometer
Correct Answer: B) Moisture meter
Rationale: A moisture meter is specifically designed to measure the moisture content
in various materials, indicating potential water damage.
Question 9
