IICRC WRT & ASD exam question and
verified CORRECT ANSWER 2024-2025
According to the Hierarchy of controls what is the least effective control measure? -
CORRECT ANSWER PPE
Affected materials can be considered dry when - CORRECT ANSWER They meet
predetermined drying goals
Air movers primarily aid in drying by increasing - CORRECT ANSWER The rate of
evaporation
air pressure is measured in - CORRECT ANSWER Inches of water pressure
air speed is measured in - CORRECT ANSWER FPM (feet per minute)
At minimum written documentation should include two things: psychrometric conditions
and material moisture content (true or false) - CORRECT ANSWER True
Attempting to identify safety issues should begin as soon as - CORRECT ANSWER
The inspection process
Can be used to determine initially if there is water under vinyl or ceramic tile floors -
CORRECT ANSWER Pinless meter
Carpet can be easily damaged while it is wet. If it delaminates the most likely solution is
- CORRECT ANSWER Recommend removal and replacement
Carpet seams should only be cut where necessary. what is one necessary reason for
cutting seams in salvable carpet? - CORRECT ANSWER to remove carpet padding
closing windows and using dehumidifiers to reduce humidity is called - CORRECT
ANSWER Closed drying
Desiccants remove water from the air using silica - CORRECT ANSWER True
Determines how much moisture is in structural materials - CORRECT ANSWER
Moister meter
drying a wet wall cavity by injecting air into it speeds - CORRECT ANSWER
Evaporation
Drywall is ideally cut straight at what height? - CORRECT ANSWER Below top of the
base 1', 2', 4' or higher if affected areas requires
, During the inspection professional moister meters should be used to document what
information? - CORRECT ANSWER Psychrometric conditions and material moister
content
For safety, drying equipment shall be equipped with a - CORRECT ANSWER
Grounded plug
HEPA stands for high efficiency particulate air - CORRECT ANSWER True
HEPA vacuums are a good tool for cleaning up dust after materials removal -
CORRECT ANSWER True
How many gallons of water are in a cubic foot? - CORRECT ANSWER 7.48
If drywall ceilings are saturated and sagging immediately remove and dispose of
affected ceiling material (true or false) - CORRECT ANSWER True
If mold growth id discovered install air movers to clean the air. - CORRECT ANSWER
False
If something is recommended, that means it is - CORRECT ANSWER Advised or
suggested but not a component of the standard of care
if the dew point changes what 2 other humidity measurements change - CORRECT
ANSWER Humidity ratio and Vapor pressure
If the GPP outside is higher than inside the only drying system that you can consider is
- CORRECT ANSWER Closed drying
If you are cleaning up a sewer damaged project, at a minimum what PPE should be
worn? - CORRECT ANSWER Full face respiratory, water resistant suit and waterproof
gloves and boots
If you cool the air down but do not change the amount of humidity what will the relative
humidity do - CORRECT ANSWER Increase
If you find mold growth, what equipment would you not install? - CORRECT ANSWER
Air movers
If you heat the air up but do not add anymore humidity to it what will the relative
humidity do - CORRECT ANSWER Decrease
in order to use LGR dehumidification on a project that is 50F inside, supplemental
heaters will be needed - CORRECT ANSWER True
verified CORRECT ANSWER 2024-2025
According to the Hierarchy of controls what is the least effective control measure? -
CORRECT ANSWER PPE
Affected materials can be considered dry when - CORRECT ANSWER They meet
predetermined drying goals
Air movers primarily aid in drying by increasing - CORRECT ANSWER The rate of
evaporation
air pressure is measured in - CORRECT ANSWER Inches of water pressure
air speed is measured in - CORRECT ANSWER FPM (feet per minute)
At minimum written documentation should include two things: psychrometric conditions
and material moisture content (true or false) - CORRECT ANSWER True
Attempting to identify safety issues should begin as soon as - CORRECT ANSWER
The inspection process
Can be used to determine initially if there is water under vinyl or ceramic tile floors -
CORRECT ANSWER Pinless meter
Carpet can be easily damaged while it is wet. If it delaminates the most likely solution is
- CORRECT ANSWER Recommend removal and replacement
Carpet seams should only be cut where necessary. what is one necessary reason for
cutting seams in salvable carpet? - CORRECT ANSWER to remove carpet padding
closing windows and using dehumidifiers to reduce humidity is called - CORRECT
ANSWER Closed drying
Desiccants remove water from the air using silica - CORRECT ANSWER True
Determines how much moisture is in structural materials - CORRECT ANSWER
Moister meter
drying a wet wall cavity by injecting air into it speeds - CORRECT ANSWER
Evaporation
Drywall is ideally cut straight at what height? - CORRECT ANSWER Below top of the
base 1', 2', 4' or higher if affected areas requires
, During the inspection professional moister meters should be used to document what
information? - CORRECT ANSWER Psychrometric conditions and material moister
content
For safety, drying equipment shall be equipped with a - CORRECT ANSWER
Grounded plug
HEPA stands for high efficiency particulate air - CORRECT ANSWER True
HEPA vacuums are a good tool for cleaning up dust after materials removal -
CORRECT ANSWER True
How many gallons of water are in a cubic foot? - CORRECT ANSWER 7.48
If drywall ceilings are saturated and sagging immediately remove and dispose of
affected ceiling material (true or false) - CORRECT ANSWER True
If mold growth id discovered install air movers to clean the air. - CORRECT ANSWER
False
If something is recommended, that means it is - CORRECT ANSWER Advised or
suggested but not a component of the standard of care
if the dew point changes what 2 other humidity measurements change - CORRECT
ANSWER Humidity ratio and Vapor pressure
If the GPP outside is higher than inside the only drying system that you can consider is
- CORRECT ANSWER Closed drying
If you are cleaning up a sewer damaged project, at a minimum what PPE should be
worn? - CORRECT ANSWER Full face respiratory, water resistant suit and waterproof
gloves and boots
If you cool the air down but do not change the amount of humidity what will the relative
humidity do - CORRECT ANSWER Increase
If you find mold growth, what equipment would you not install? - CORRECT ANSWER
Air movers
If you heat the air up but do not add anymore humidity to it what will the relative
humidity do - CORRECT ANSWER Decrease
in order to use LGR dehumidification on a project that is 50F inside, supplemental
heaters will be needed - CORRECT ANSWER True
