IICRC WATER DAMAGE RESTORATION
(WRT) CERTIFICATION , IICRC WATER
DAMAGE RESTORATION TECHNICIAN ,
IICRC WATER DAMAGE RESTORATION
TRAINING MANUAL EXAM LATEST EXAM
SETS |1000 ACTUAL EXAM QUESTIONS WITH
VERIFIED ANSWERS 2025-2026 |A+ RATED
- CORRECT ANSWER ✅✅ - A invasive/ penetrating device to check moisture
on carpet and padding.
.____ drying systems merge the benefit 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
.____ is the temperature at which air becomes saturated with moisture and can hold
no more water vapor - CORRECT ANSWER ✅✅ - dew point
.____ occurs when a solid changes to a vapor( without going through a liquid
phase.) - CORRECT ANSWER ✅✅ - sublimation
.____ represents the "was-wood" material with the least engineering , and thus the
most natural fiber bonding. it is ___to swelling and delimitation due to its wood
veneer assemblies which are glued under extreme pressure. - CORRECT
ANSWER ✅✅ - plywood , resistant
._____ occurs when liquid changes to a vapor. occurs as energy is increased -
CORRECT ANSWER ✅✅ - evaporation
.______ drying systems are always employed when outdoor humidity levels are
higher than indoors. - CORRECT ANSWER ✅✅ - Closed
,.______ is defined as the amount of moisture contained in an air sample as
compared to the maximum amount the air could hold at the temperature. -
CORRECT ANSWER ✅✅ - relative humidity
._________ __________ ___________ are used to remove airborne contaminents.
- CORRECT ANSWER ✅✅ - Air Filtration Devices (AFD)
._______________ do not detect moisture but can be a useful tool in identifying
potentially wet materials - CORRECT ANSWER ✅✅ - Infrared Cameras or
Thermal Imagine
.________________ is always removed in both Cat 2 & 4 water damages -
CORRECT ANSWER ✅✅ - Carpet cushion or pad
.___________________________ is the process of changing liquid too a vapor -
CORRECT ANSWER ✅✅ - evaporation
.___________are used to remove moisture (water vapor) from the air) -
CORRECT ANSWER ✅✅ - dehumidifiers
.__________, ____________, and ___________, have a direct influence on the
time it takes to return wet materials to an acceptable drying goal. - CORRECT
ANSWER ✅✅ - Humidity, airflow and temperature.
.______is the force exerted by a gas (vapor molecules) on the surrounding
environment. - CORRECT ANSWER ✅✅ - vapor pressure
.___. occurs when vapor changes to a liquid. occurs as energy is removed -
CORRECT ANSWER ✅✅ - condensation
.* The label is the law" get customer briefing before starting any antimicrobial /
biocide treatment. - CORRECT ANSWER ✅✅ -
.100% - CORRECT ANSWER ✅✅ - RH at saturation / dew point.
.12,000 - CORRECT ANSWER ✅✅ - Btu removal action per ton of air
conditioning per hour.
,.1200 - CORRECT ANSWER ✅✅ - Amount of times more effective of extraction
to dehumidification in water removal.
.14 - CORRECT ANSWER ✅✅ - Cubic feet in pound of dry air.
.20% - CORRECT ANSWER ✅✅ - Rotting fungi growth in wood (16% non-
destructive mold growth on wood).
.220 Splitters - CORRECT ANSWER ✅✅ - Use where there is limited amperage
or fuses
.29 CFR 1910 - CORRECT ANSWER ✅✅ - General Industry Standards for
workplace safety.
.29 CFR 1910.1200 - CORRECT ANSWER ✅✅ - Regulation ensuring chemical
hazard evaluation and communication.
.29 CFR 1926 - CORRECT ANSWER ✅✅ - Construction Industry Standards for
workplace safety.
." - CORRECT ANSWER ✅✅ - Thickness of most hardwood planks;
distance of reading with non-invasive moisture meters.
.3 Categories of Water Damage - CORRECT ANSWER ✅✅ - 1.) Category
1/Clean
2.) Category 2/Gray
3.) Category 3/Black
**regulated, hazardous materials, and mold may require a specialized expert**
.3-5 feet - CORRECT ANSWER ✅✅ - Distance of hardwood floor panels pulling
from cross-grain direction as maximum distance set up.
.3.5 - CORRECT ANSWER ✅✅ - Evaporation Potential number as minimum to
use as goal with traditional drying equipment.
.32-35 - CORRECT ANSWER ✅✅ - gpp where LGR dehumidifiers start to lose
efficiency.
, .40% - CORRECT ANSWER ✅✅ - RH to attempt to achieve after 24-hours
drying.
.55-60 - CORRECT ANSWER ✅✅ - gpp where conventional dehumidifiers start
to lose efficiency.
.60% - CORRECT ANSWER ✅✅ - RH hygroscopic materials start to readily
take on humidity; microbial activity ERH.
.7.0 - CORRECT ANSWER ✅✅ - Evaporation Potential number as minimum to
use as goal with direct containment.
.7.48 - CORRECT ANSWER ✅✅ - Gallons per cubic foot of water depth.
.70-90 F. (21-30 C.) - CORRECT ANSWER ✅✅ - Temperature where refrigerant
dehumidifiers have best performance.
.7000 - CORRECT ANSWER ✅✅ - Grains in pound of dry air.
.8 - CORRECT ANSWER ✅✅ - 1 Gallon = __.34 pounds (8 is always weight)
.8.34 - CORRECT ANSWER ✅✅ - Pounds weight of one gallon of water.
.80% - CORRECT ANSWER ✅✅ - Available power to use per NEC per
amperage in circuit.
.A _________ is a diagram of the affected area showing extent of water migration.
- CORRECT ANSWER ✅✅ - Moisture Map
.A _____________ can be used to determine the extent of water migration in
carpet and pad - CORRECT ANSWER ✅✅ - moisture sensor
.a 12 ft x 14 ft room with 4 inches of water contains approx. ______ gallons of
water. - CORRECT ANSWER ✅✅ - 418
.a balance drying system is achieved when the rate of the vacation is greater than
or equal to the rate of - CORRECT ANSWER ✅✅ - evaporation
(WRT) CERTIFICATION , IICRC WATER
DAMAGE RESTORATION TECHNICIAN ,
IICRC WATER DAMAGE RESTORATION
TRAINING MANUAL EXAM LATEST EXAM
SETS |1000 ACTUAL EXAM QUESTIONS WITH
VERIFIED ANSWERS 2025-2026 |A+ RATED
- CORRECT ANSWER ✅✅ - A invasive/ penetrating device to check moisture
on carpet and padding.
.____ drying systems merge the benefit 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
.____ is the temperature at which air becomes saturated with moisture and can hold
no more water vapor - CORRECT ANSWER ✅✅ - dew point
.____ occurs when a solid changes to a vapor( without going through a liquid
phase.) - CORRECT ANSWER ✅✅ - sublimation
.____ represents the "was-wood" material with the least engineering , and thus the
most natural fiber bonding. it is ___to swelling and delimitation due to its wood
veneer assemblies which are glued under extreme pressure. - CORRECT
ANSWER ✅✅ - plywood , resistant
._____ occurs when liquid changes to a vapor. occurs as energy is increased -
CORRECT ANSWER ✅✅ - evaporation
.______ drying systems are always employed when outdoor humidity levels are
higher than indoors. - CORRECT ANSWER ✅✅ - Closed
,.______ is defined as the amount of moisture contained in an air sample as
compared to the maximum amount the air could hold at the temperature. -
CORRECT ANSWER ✅✅ - relative humidity
._________ __________ ___________ are used to remove airborne contaminents.
- CORRECT ANSWER ✅✅ - Air Filtration Devices (AFD)
._______________ do not detect moisture but can be a useful tool in identifying
potentially wet materials - CORRECT ANSWER ✅✅ - Infrared Cameras or
Thermal Imagine
.________________ is always removed in both Cat 2 & 4 water damages -
CORRECT ANSWER ✅✅ - Carpet cushion or pad
.___________________________ is the process of changing liquid too a vapor -
CORRECT ANSWER ✅✅ - evaporation
.___________are used to remove moisture (water vapor) from the air) -
CORRECT ANSWER ✅✅ - dehumidifiers
.__________, ____________, and ___________, have a direct influence on the
time it takes to return wet materials to an acceptable drying goal. - CORRECT
ANSWER ✅✅ - Humidity, airflow and temperature.
.______is the force exerted by a gas (vapor molecules) on the surrounding
environment. - CORRECT ANSWER ✅✅ - vapor pressure
.___. occurs when vapor changes to a liquid. occurs as energy is removed -
CORRECT ANSWER ✅✅ - condensation
.* The label is the law" get customer briefing before starting any antimicrobial /
biocide treatment. - CORRECT ANSWER ✅✅ -
.100% - CORRECT ANSWER ✅✅ - RH at saturation / dew point.
.12,000 - CORRECT ANSWER ✅✅ - Btu removal action per ton of air
conditioning per hour.
,.1200 - CORRECT ANSWER ✅✅ - Amount of times more effective of extraction
to dehumidification in water removal.
.14 - CORRECT ANSWER ✅✅ - Cubic feet in pound of dry air.
.20% - CORRECT ANSWER ✅✅ - Rotting fungi growth in wood (16% non-
destructive mold growth on wood).
.220 Splitters - CORRECT ANSWER ✅✅ - Use where there is limited amperage
or fuses
.29 CFR 1910 - CORRECT ANSWER ✅✅ - General Industry Standards for
workplace safety.
.29 CFR 1910.1200 - CORRECT ANSWER ✅✅ - Regulation ensuring chemical
hazard evaluation and communication.
.29 CFR 1926 - CORRECT ANSWER ✅✅ - Construction Industry Standards for
workplace safety.
." - CORRECT ANSWER ✅✅ - Thickness of most hardwood planks;
distance of reading with non-invasive moisture meters.
.3 Categories of Water Damage - CORRECT ANSWER ✅✅ - 1.) Category
1/Clean
2.) Category 2/Gray
3.) Category 3/Black
**regulated, hazardous materials, and mold may require a specialized expert**
.3-5 feet - CORRECT ANSWER ✅✅ - Distance of hardwood floor panels pulling
from cross-grain direction as maximum distance set up.
.3.5 - CORRECT ANSWER ✅✅ - Evaporation Potential number as minimum to
use as goal with traditional drying equipment.
.32-35 - CORRECT ANSWER ✅✅ - gpp where LGR dehumidifiers start to lose
efficiency.
, .40% - CORRECT ANSWER ✅✅ - RH to attempt to achieve after 24-hours
drying.
.55-60 - CORRECT ANSWER ✅✅ - gpp where conventional dehumidifiers start
to lose efficiency.
.60% - CORRECT ANSWER ✅✅ - RH hygroscopic materials start to readily
take on humidity; microbial activity ERH.
.7.0 - CORRECT ANSWER ✅✅ - Evaporation Potential number as minimum to
use as goal with direct containment.
.7.48 - CORRECT ANSWER ✅✅ - Gallons per cubic foot of water depth.
.70-90 F. (21-30 C.) - CORRECT ANSWER ✅✅ - Temperature where refrigerant
dehumidifiers have best performance.
.7000 - CORRECT ANSWER ✅✅ - Grains in pound of dry air.
.8 - CORRECT ANSWER ✅✅ - 1 Gallon = __.34 pounds (8 is always weight)
.8.34 - CORRECT ANSWER ✅✅ - Pounds weight of one gallon of water.
.80% - CORRECT ANSWER ✅✅ - Available power to use per NEC per
amperage in circuit.
.A _________ is a diagram of the affected area showing extent of water migration.
- CORRECT ANSWER ✅✅ - Moisture Map
.A _____________ can be used to determine the extent of water migration in
carpet and pad - CORRECT ANSWER ✅✅ - moisture sensor
.a 12 ft x 14 ft room with 4 inches of water contains approx. ______ gallons of
water. - CORRECT ANSWER ✅✅ - 418
.a balance drying system is achieved when the rate of the vacation is greater than
or equal to the rate of - CORRECT ANSWER ✅✅ - evaporation
