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WRT CERTIFICATION EXAM; CERTIFIED Q&A 2025
The most critical course of action in restorative drying is to _______ ______ and
begin __________ as soon as possible. - correct-answer-respond quickly &
mitigation
_____ ________ is the force exerted by a gas (vapor molecules) on the
surrounding environment. - correct-answer-Vapor pressure
Vapor pressure, dew point, and humidity ration (GPP) are ________ _______ to
each other. When one increases, the other two ________. When one decreases,
the other two ________. - correct-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. - correct-answer-equilibrium
The ability for water vapor to diffuse through a solid material is expressed as the
materials _________. - correct-answer-permeance
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3 drying systems: - correct-answer-1. Open- intentionally using outdoor air
2. Closed- using mechanical dehumidification only
3. Combination- using outdoor air combined with mechanical dehumidification
If open drying is determined appropriate, the following options are available to
the restorer: - correct-answer-1. Using ventilation
2. Opening windows
3. Install fans to create pressure differentials and air exchanges
___________ 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. - correct-answer-Combination
Elevating the temperature of a material will increase the _____ ________
associated with the moisture in the material. - correct-answer-vapor pressure
If the surface temperature of the material is higher than the ___ point
temperature of the surrounding air, evaporation may occur. - correct-answer-dew
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Which of these surface temperature would have the fastest rate of evaporation?
A. 10 degrees below dew point
B. 20 degrees above dew point
C. 30 degrees above dew point - correct-answer-C. 30 degrees above dew point
(the higher the better)
Class 1 water intrusions involve the _____ amount of water absorption, with less
than _% of the area surfaces being wet porous materials. - correct-answer-least &
5
Class 2 water intrusions involve a ___________ amount of water absorption, with
more that _% but less than __% of area surfaces being wet porous materials. -
correct-answer-significant, 5, & 40
Class 3 water intrusions involve the ________ amount of water absorption, with
more than __% of area surfaces being wet porous materials. - correct-answer-
greatest & 40
Wet materials present in a Class 4 water intrusion require a ______ time to dry.
Water has saturated deeply into the materials and is held or trapped as bound
WRT CERTIFICATION EXAM; CERTIFIED Q&A 2025
The most critical course of action in restorative drying is to _______ ______ and
begin __________ as soon as possible. - correct-answer-respond quickly &
mitigation
_____ ________ is the force exerted by a gas (vapor molecules) on the
surrounding environment. - correct-answer-Vapor pressure
Vapor pressure, dew point, and humidity ration (GPP) are ________ _______ to
each other. When one increases, the other two ________. When one decreases,
the other two ________. - correct-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. - correct-answer-equilibrium
The ability for water vapor to diffuse through a solid material is expressed as the
materials _________. - correct-answer-permeance
,2|Page
3 drying systems: - correct-answer-1. Open- intentionally using outdoor air
2. Closed- using mechanical dehumidification only
3. Combination- using outdoor air combined with mechanical dehumidification
If open drying is determined appropriate, the following options are available to
the restorer: - correct-answer-1. Using ventilation
2. Opening windows
3. Install fans to create pressure differentials and air exchanges
___________ 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. - correct-answer-Combination
Elevating the temperature of a material will increase the _____ ________
associated with the moisture in the material. - correct-answer-vapor pressure
If the surface temperature of the material is higher than the ___ point
temperature of the surrounding air, evaporation may occur. - correct-answer-dew
, 3|Page
Which of these surface temperature would have the fastest rate of evaporation?
A. 10 degrees below dew point
B. 20 degrees above dew point
C. 30 degrees above dew point - correct-answer-C. 30 degrees above dew point
(the higher the better)
Class 1 water intrusions involve the _____ amount of water absorption, with less
than _% of the area surfaces being wet porous materials. - correct-answer-least &
5
Class 2 water intrusions involve a ___________ amount of water absorption, with
more that _% but less than __% of area surfaces being wet porous materials. -
correct-answer-significant, 5, & 40
Class 3 water intrusions involve the ________ amount of water absorption, with
more than __% of area surfaces being wet porous materials. - correct-answer-
greatest & 40
Wet materials present in a Class 4 water intrusion require a ______ time to dry.
Water has saturated deeply into the materials and is held or trapped as bound
