Water Damage Restoration Certification
Exam Questions and Answers 100%
Solved
What shall a restorer make the first priority during the initial inspection
process? - ✔✔a) Removing the excess water
b) Checking the moisture on walls
c) Conducting hazard assessment
d) Turning on the HVAC system
When should water damage restoration services begin? - ✔✔a) After the
damage survey has been submitted
b) After a restorer entered into a properly written contract
c) After equipment and consumables arrive onsite
d) After the drying standard has been determined
Which terms describes the rate of water vapor passing through a material?
- ✔✔a) Capillarity
b) Permeance
c) Condensation
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,d) Wicking
Who should a technician get documented authorization from before
applying an antimicrobial (biocide)? - ✔✔a) The primary adjuster
b) The owner or occupant
c) The reconstruction contractor
d) The primary physician
What should a restorer ask if cellulosic insulation becomes wet? - ✔✔a)
inspect insulation for an increase in R-value
b) Remove insulation then dry the structure
c) Test insulation for expansion in the wall cavity
d) Properly dry and clean insulation
What do moisture detection instruments allow a restorer to evaluate and
document? - ✔✔a) count particulates of aerosolized contaminates
b) manometer readings for the purpose of drying
c) Thermographic readings and images from a thermal camera
d) Psychrometric conditions and moisture content or level readings
Which class of water intrusion is it where the affected materials represent
between -5% to -40% of the combined surface area in the spaces... - ✔✔a)
class 1
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, b) Class 2
c) Class 3
d) Class 4
What is recommended to minimize or control airborne contaminants during
restoration? - ✔✔a) Install low-grain refrigerant dehumidifiers (LGRs)
b) Install Air Filtration Devices (AFDs)
c) Install additional centrifugal style air movers
d) Install and HVAC system for increased air circulation
Which material loses most of its structural integrity when wet but regains its
strength when dry? - ✔✔a) Concrete
b) Gypsum board (drywall)
c)Plywood
d) Hardwood flooring
In addition to controlling humidity, what else should a restorer manage to
increase the rate of drying? - ✔✔a)Surface temperatures of affected
materials
b) Outside temperatures of building envelopes
c) Dehumidifier dew point temperatures
d) Number of occupants in the building
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Exam Questions and Answers 100%
Solved
What shall a restorer make the first priority during the initial inspection
process? - ✔✔a) Removing the excess water
b) Checking the moisture on walls
c) Conducting hazard assessment
d) Turning on the HVAC system
When should water damage restoration services begin? - ✔✔a) After the
damage survey has been submitted
b) After a restorer entered into a properly written contract
c) After equipment and consumables arrive onsite
d) After the drying standard has been determined
Which terms describes the rate of water vapor passing through a material?
- ✔✔a) Capillarity
b) Permeance
c) Condensation
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,d) Wicking
Who should a technician get documented authorization from before
applying an antimicrobial (biocide)? - ✔✔a) The primary adjuster
b) The owner or occupant
c) The reconstruction contractor
d) The primary physician
What should a restorer ask if cellulosic insulation becomes wet? - ✔✔a)
inspect insulation for an increase in R-value
b) Remove insulation then dry the structure
c) Test insulation for expansion in the wall cavity
d) Properly dry and clean insulation
What do moisture detection instruments allow a restorer to evaluate and
document? - ✔✔a) count particulates of aerosolized contaminates
b) manometer readings for the purpose of drying
c) Thermographic readings and images from a thermal camera
d) Psychrometric conditions and moisture content or level readings
Which class of water intrusion is it where the affected materials represent
between -5% to -40% of the combined surface area in the spaces... - ✔✔a)
class 1
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, b) Class 2
c) Class 3
d) Class 4
What is recommended to minimize or control airborne contaminants during
restoration? - ✔✔a) Install low-grain refrigerant dehumidifiers (LGRs)
b) Install Air Filtration Devices (AFDs)
c) Install additional centrifugal style air movers
d) Install and HVAC system for increased air circulation
Which material loses most of its structural integrity when wet but regains its
strength when dry? - ✔✔a) Concrete
b) Gypsum board (drywall)
c)Plywood
d) Hardwood flooring
In addition to controlling humidity, what else should a restorer manage to
increase the rate of drying? - ✔✔a)Surface temperatures of affected
materials
b) Outside temperatures of building envelopes
c) Dehumidifier dew point temperatures
d) Number of occupants in the building
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
