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The IICRC Water Damage Restoration (WRT)
Certification Exam|| QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||NEWEST EXAM!!!
When air is cooled, its capacity for water vapor is reduced.
Eventually, if temperature is cooled enough, the relative
humidity will reach ______________ or saturation. When
this occurs, the air has reached its ________ point
temperature. - ANSWER-100%
Dew
If surfaces are ________________________ than the dew
point of the surrounding air, water will condense on those
surfaces and possibly cause secondary damage. If
surfaces are ________________________ than the dew
point of the surrounding air, evaporation can occur. -
ANSWER-Cooler
Warmer
_____________ _____________ is the force exerted by a
gas (vapor molecules) on the surrounding environment. -
ANSWER-Vapor Pressure
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Vapor pressure, dew point and humidity ratio (GPP) are
___________ ___________ to each other. When one
increases, the other two _____________. When one
decreases, the other two _____________. - ANSWER-
Directly Related
Increase
Decrease
Water vapor pressure is the force that drives higher
concentrations of humidity from one space to another in
an attempt to seek _________________ with lower
concentrations of water vapor. - ANSWER-Equilibrium
The ability for water vapor to diffuse through a solid
material is expressed as the material's
__________________. - ANSWER-Permeance
Drying Systems [provide name and brief description of
each]:
______________________________________________
________
______________________________________________
________
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______________________________________________
________ - ANSWER-Open Drying System: Ventilation (at
least 70°)
Closed Drying System: Dehumidifiers
Combination Drying System: Both Ventilation and
Dehumidifiers
Choose which drying systems could be used in these
conditions.
Outside Affected area Open Closed Combo 1.) 95° /
45%RH 80° / 50%RH __________ ____________
___________
2.) 40° / 70%RH 75° / 40%RH __________
____________ ___________
3.) 75° / 20%RH 70° / 60%RH __________
____________ ___________ - ANSWER-1.) Closed
2.) Combination
3.) Open
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If open drying is determined appropriate, the following
options (while keeping building security in mind) are
available to the restorer:
__________________________________
__________________________________
__________________________________ - ANSWER-
Open Windows
Ventilation Fans
Additional Fans
_______________________________ drying systems
merge the benefits of both open and closed drying: the
use of available, dry air from outside and the control
offered by a closed system and mechanical
dehumidification. - ANSWER-Combination
Elevating the temperature of a material will increase the
_______________ _____________ associated with the
moisture in the material. - ANSWER-Vapor Pressure
The IICRC Water Damage Restoration (WRT)
Certification Exam|| QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||NEWEST EXAM!!!
When air is cooled, its capacity for water vapor is reduced.
Eventually, if temperature is cooled enough, the relative
humidity will reach ______________ or saturation. When
this occurs, the air has reached its ________ point
temperature. - ANSWER-100%
Dew
If surfaces are ________________________ than the dew
point of the surrounding air, water will condense on those
surfaces and possibly cause secondary damage. If
surfaces are ________________________ than the dew
point of the surrounding air, evaporation can occur. -
ANSWER-Cooler
Warmer
_____________ _____________ is the force exerted by a
gas (vapor molecules) on the surrounding environment. -
ANSWER-Vapor Pressure
,2|Page
Vapor pressure, dew point and humidity ratio (GPP) are
___________ ___________ to each other. When one
increases, the other two _____________. When one
decreases, the other two _____________. - ANSWER-
Directly Related
Increase
Decrease
Water vapor pressure is the force that drives higher
concentrations of humidity from one space to another in
an attempt to seek _________________ with lower
concentrations of water vapor. - ANSWER-Equilibrium
The ability for water vapor to diffuse through a solid
material is expressed as the material's
__________________. - ANSWER-Permeance
Drying Systems [provide name and brief description of
each]:
______________________________________________
________
______________________________________________
________
,3|Page
______________________________________________
________ - ANSWER-Open Drying System: Ventilation (at
least 70°)
Closed Drying System: Dehumidifiers
Combination Drying System: Both Ventilation and
Dehumidifiers
Choose which drying systems could be used in these
conditions.
Outside Affected area Open Closed Combo 1.) 95° /
45%RH 80° / 50%RH __________ ____________
___________
2.) 40° / 70%RH 75° / 40%RH __________
____________ ___________
3.) 75° / 20%RH 70° / 60%RH __________
____________ ___________ - ANSWER-1.) Closed
2.) Combination
3.) Open
, 4|Page
If open drying is determined appropriate, the following
options (while keeping building security in mind) are
available to the restorer:
__________________________________
__________________________________
__________________________________ - ANSWER-
Open Windows
Ventilation Fans
Additional Fans
_______________________________ drying systems
merge the benefits of both open and closed drying: the
use of available, dry air from outside and the control
offered by a closed system and mechanical
dehumidification. - ANSWER-Combination
Elevating the temperature of a material will increase the
_______________ _____________ associated with the
moisture in the material. - ANSWER-Vapor Pressure
