IICRC WRT Test: Questions & Answers
#1. During the inspection process, restorers shall make a reasonable effort to - ANSWER:C. identify and
address potential safety hazards
#2. 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
#3. Multiple extraction of salvageable materials, especially porous material (e.g. Carpet , cushion) often
are required to: - ANSWER:decrease drying time
#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.
#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)
#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. 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
#22. The force exerted by water molecules in the air on surrounding surfaces is - ANSWER:b. Vapor
Pressure (page 11)
#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
#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
#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
#1. During the inspection process, restorers shall make a reasonable effort to - ANSWER:C. identify and
address potential safety hazards
#2. 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
#3. Multiple extraction of salvageable materials, especially porous material (e.g. Carpet , cushion) often
are required to: - ANSWER:decrease drying time
#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.
#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)
#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. 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
#22. The force exerted by water molecules in the air on surrounding surfaces is - ANSWER:b. Vapor
Pressure (page 11)
#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
#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
#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
