IICRC WRT EXAM WATER RESTORATION ACTUAL EXAM ALL 300
QUESTIONS AND VERIFIED DETAILED SOLUTIONS LATEST 2024-
2025 JUST RELEASED
QUESTION: 1 Initially, a method of search for abnormal moisture behind ceramic tile or resilient
flooring can be accomplished by - ANSWER✔✔using a non-penetrating (non-invasive) moisture
meter
QUESTION: 2. To minimize damage and reduce drying time, reduce drying time, restorers
should: - ANSWER✔✔begin mitigation as soon as safely possible
QUESTION: 3. The moisture content of structural materials should be measured with a -
ANSWER✔✔A. moisture meter
QUESTION: 4. When accessible from below, to dry wet wood subflooring under stone or tile
flooring, restorers can use low-humidity air and - ANSWER✔✔D. vapor barrier
QUESTION: 5. Biocides designed to destroy or eliminate all forms of microbial life and their
spores are - ANSWER✔✔D. sterilizers
QUESTION: 6. When carpet is wet it can be delaminated by - ANSWER✔✔D. improper handling
and disengaging
QUESTION: 7. When inspecting a water damage structure, restorers should inspect: -
ANSWER✔✔all potentially affected areas.
QUESTION: 8. Buckled or damaged particle board should - ANSWER✔✔removed and replaced
with new material.
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QUESTION: 9. upon entering a building, professional moisture detection equipment should be
used to evaluate and document: - ANSWER✔✔applicable psychrometric conditions and
moisture content or level readings .
QUESTION: 10. When wet, a structural material that loses most of its structural integrity, but
regains its strength when dry, is: - ANSWER✔✔Concrete
QUESTION: 11. During the inspection process, restorers shall make a reasonable effort to -
ANSWER✔✔C. identify and address potential safety hazards
QUESTION: 12. A significant amount of water absorption and evaporation load where wet
porous materials represent ~5% to ~40% of combined ceiling, walls, and flooring surface areas
and where low evaporation materials and assemblies are minimally wet is - ANSWER✔✔B. class
2
QUESTION: 13. Multiple extraction of salvageable materials, especially porous material (e.g.
Carpet , cushion) often are required to: - ANSWER✔✔decrease drying time
QUESTION: 14. To enhance drying, restorers should manage both ambient temperature and -
ANSWER✔✔surface temperatures of affected materials
QUESTION: 15. Water damage restoration services should not begin until after the: -
ANSWER✔✔restorer has entered into an adequately written contract.
QUESTION: 16. Two tools that should be used to properly disengage most stretched-in carpet -
ANSWER✔✔Knee kicker and carpet awl
QUESTION: 17. To minimize or control aerosolized soils or contaminants during restoration,
restorers can: - ANSWER✔✔B. install one or more air filtration devices (AFDs)
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QUESTION: 18. When pre-existing damage is discovered, restorer should - ANSWER✔✔D.
document and bring it to the attention of materially interested parties
QUESTION: 19. Rapid drying of structural materials is achieved by - ANSWER✔✔A. promoting
evaporation and dehumidification or ventilation
QUESTION: 20. When carpet and cushion (pad, underlay) are saturated with Category 3 water -
ANSWER✔✔B. Both should be removed for proper disposal
QUESTION: 21. To minimize safety concerns and to speed structural drying, gypsum board
(drywall) ceilings that are saturated and sagging should be - ANSWER✔✔A. drained, removed
quickly, and properly disposed
QUESTION: 22. The force exerted by water molecules in the air on surrounding surfaces is -
ANSWER✔✔b. Vapor Pressure (page 11)
QUESTION: 23. Generally, fastest rate of evaporation from wet materials with a 70F (21C)
surface temperature [0.67 VP] would be an environment with - ANSWER✔✔A. 60F (4C) and
80% RH
QUESTION: 24. Two hazardous materials more likely found in older building that require
compliance with laws and regulations when handled are - ANSWER✔✔C. lead-based paint and
asbestos
QUESTION: 25. As humidity ratio increases (or decreases) another psychrometric chart property
that also increases (or decreases) is - ANSWER✔✔C. vapor pressure
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QUESTION: 26. Ventilating a structure during the initial stages of restoration can be effective
way to enhance drying by reducing the build up of - ANSWER✔✔C. humidity
QUESTION: 27. When using government-registered biocide, restorers shall - ANSWER✔✔C.
apply according to label directions
QUESTION: 28. Intentionally using outdoor air to reduce indoor humidity is known as -
ANSWER✔✔B. an open drying system
QUESTION: 29. To confirm that proper drying conditions were established and also that drying
goals were met, restorers should maintain written logs to include: - ANSWER✔✔B. an
atmospheric humidity record and materials moisture content record
QUESTION: 30. A closed drying system is recommended during restoration when -
ANSWER✔✔A. outdoor humidity ratio is higher than indoor humidity ratio
QUESTION: 31. the rating for water removal of refrigerant dehumidification normally is
expressed in pints of water removed in 24 hours at standard AHAM test conditions of -
ANSWER✔✔C. 80 F (27C) and 60% RH
QUESTION: 32. The temperature at which air reaches 100% relative humidity is known as the -
ANSWER✔✔C. dew point temperature
QUESTION: 33. Water-saturated carpet cushion (pad, underlay) should be removed and
disposed if - ANSWER✔✔A. saturated with Category 2 or 3 water
QUESTION: 34. If vapor pressure in ambient air is lower than the vapor pressure in wet
materials, the most likely outcome will be - ANSWER✔✔A. condensation
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