IICRC WRT EXAM WATER DAMAGE RESTORATION 2 LATEST
VERSIONS (A & B) 2024-2025 COMPLETE 270 QUESTIONS AND
CORRECT DETAILED ANSWERS JUST RELEASED
IICRC WRT EXAM A
1. 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
2. The force exerted by water molecules in the air on surrounding surfaces is - ANSWER✔✔b.
Vapor Pressure (page 11)
3. 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
4. To enhance drying, restorers should manage both ambient temperature and -
ANSWER✔✔surface temperatures of affected materials
5. Water damage restoration services should not begin until after the: - ANSWER✔✔restorer
has entered into an adequately written contract.
6. Two tools that should be used to properly disengage most stretched-in carpet -
ANSWER✔✔Knee kicker and carpet awl
7. When inspecting a water damage structure, restorers should inspect: - ANSWER✔✔all
potentially affected areas.
8. Buckled or damaged particle board should - ANSWER✔✔removed and replaced with new
material.
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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 .
10. When wet, a structural material that loses most of its structural integrity, but regains its
strength when dry, is: - ANSWER✔✔Concrete
11 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
12. To minimize damage and reduce drying time, reduce drying time, restorers should: -
ANSWER✔✔begin mitigation as soon as safely possible
13. The moisture content of structural materials should be measured with a - ANSWER✔✔A.
moisture meter
14. 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
15. Biocides designed to destroy or eliminate all forms of microbial life and their spores are -
ANSWER✔✔D. sterilizers
16. When carpet is wet it can be delaminated by - ANSWER✔✔D. improper handling and
disengaging
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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18. When pre-existing damage is discovered, restorer should - ANSWER✔✔D. document and
bring it to the attention of materially interested parties
19. Rapid drying of structural materials is achieved by - ANSWER✔✔A. promoting evaporation
and dehumidification or ventilation
20. When carpet and cushion (pad, underlay) are saturated with Category 3 water -
ANSWER✔✔B. Both should be removed for proper disposal
21. During the inspection process, restorers shall make a reasonable effort to - ANSWER✔✔C.
identify and address potential safety hazards
22. 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
23. Multiple extraction of salvageable materials, especially porous material (e.g. Carpet ,
cushion) often are required to: - ANSWER✔✔decrease drying time
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
25. As humidity ratio increases (or decreases) another psychrometric chart property that also
increases (or decreases) is - ANSWER✔✔C. vapor pressure
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
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27. When using government-registered biocide, restorers shall - ANSWER✔✔C. apply according
to label directions
28. Intentionally using outdoor air to reduce indoor humidity is known as - ANSWER✔✔B. an
open drying system
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
30. A closed drying system is recommended during restoration when - ANSWER✔✔A. outdoor
humidity ratio is higher than indoor humidity ratio
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
32. The temperature at which air reaches 100% relative humidity is known as the -
ANSWER✔✔C. dew point temperature
33. Water-saturated carpet cushion (pad, underlay) should be removed and disposed if -
ANSWER✔✔A. saturated with Category 2 or 3 water
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
35. Generally, refrigerant dehumidifiers are most efficient in the temperature range of -
ANSWER✔✔C. 70F to 90F (21C to 32C)
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