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WRT 106 Certification Test Questions
Cupping in hardwood is not _________ damage, and should be dried in most cases. - Correct Answer ✔️ ✔️ permanent
_______ represents the "was-wood" material with the least engineering, and thus the most natural fiber bonding. It is _________ to swelling and delamination due to its wood veneer assemblies which are glued under extreme pressure. - Correct Answer ✔️ ✔️ Plywood & resistant
Wet particle board would normally be _______ and replaced - Correct
Answer ✔️ ✔️ removed
Plastic Laminate Flooring is made of MDF and has a resin saturated appearance layer. Normally _______ in water restoration due to its construction and installation components. - Correct Answer ✔️ ✔️
removed
Remove the vinyl (flooring) and discard it if the ____________ is saturated and/or damaged; vinyl is a vapor barrier and the time required to dry underlayment will be dramatically reduced if the vinyl is removed. - Correct Answer ✔️ ✔️ underlayment
Partial floating of carpet can be a way to achieve drying of all surfaces simultaneously and allows ____ dry air to have more contact with wet flooring. - Correct Answer ✔️ ✔️ warm
During the drying process, all of the gypsum's original strength is restored. In fact, the dried gypsum will normally be slightly ________ that before wetting. - Correct Answer ✔️ ✔️ stronger
In structures where the surface of the wall is covered with a non- _________ surface as a vapor barrier, it may be necessary to removed base molding, drill holes and introduce air movement. - Correct
Answer ✔️ ✔️ permeable
a. Determine how wet items are:
-Monitor _____ in most circumstances.
-Use the same ______ in the same locations each day.
b. Determine if wet items are ______.
c. Determine if ________ items are dry (done). - Correct Answer ✔️
✔️ daily, meters, drying, & affected
Restorers will know the drying job is dry and done when moisture meters verify that the structure has reached the ______ _____. - Correct Answer ✔️ ✔️ drying goals
When water intrusion results in water running through wall cavities, inspection access holes are used to ensure that blow-in insulation has not compacted and lost its _-_____. - Correct Answer ✔️ ✔️ R- Value
The most effective way to speed the drying process is to remove as much of the water in a liquid state as possible during the ___________
phase (for example, multiple extractions). Poor extraction will significantly slow the drying process. - Correct Answer ✔️ ✔️
extraction
Abide by local ____ and regulations when disposing extracted water. Waste water is best disposed of into a sanitary sewer. - Correct
Answer ✔️ ✔️ laws
The primary goal of the initial extraction of the affected area is to contain further _________ of the water within the structure. - Correct
Answer ✔️ ✔️ migration
Whenever carpet must be disengaged from the tackless strip, a ____ ______ and carpet awl must be used. - Correct Answer ✔️ ✔️
knee kicker
The majority of cushion has a skin or mesh on the top side. The purpose of this skin is to ease ______ __________ during installation; it is not a vapor barrier. - Correct Answer ✔️ ✔️ carpet stretching
Most antimicrobials require that the area of application be vacated by _________ and pets during application and for a period fo time after application. - Correct Answer ✔️ ✔️ occupants
Establishing a ___ ________ is the best way to set restorative drying goals. A dry standard is established by obtaining a moisture reading using an __________ material. - Correct Answer ✔️ ✔️ dry standard & unaffected
The numerical value form a moisture meter can be documented and used to monitor progress. for this reason, the amount of moisture absorbed by semi-porous structural materials is measured most accurately with a moisture _____, not a moisture sensor. - Correct Answer ✔️ ✔️ meter
Because of their non-invasive nature and quick surveying capabilities, non-invasive meters are the most effective tools for locating abnormal moisture behind and beneath finishing materials such as _______ ____
and resilient _____ floor coverings. - Correct Answer ✔️ ✔️
ceramic tile & vinyl
A thermo-hygrometer is used to monitor any air that can influence the ___________ and/or ________ ________ with a restorative drying environment. - Correct Answer ✔️ ✔️ temperature & relative humidity
To evaluate the progress of structural drying projects, restorers should measure:
- moisture in __________ being dried (moisture content readings)
- ___ being used to dry affected materials (psychrometric readings)
- ___ produced by mechanical systems (dehumidifiers) - Correct
Answer ✔️ ✔️ materials, air, & air
____________ occurs when vapor changes to a liquid. Occurs as every is removed. - Correct Answer ✔️ ✔️ Condensation
___________ occurs when a solid changes to a vapor (without going through a liquid phase.) - Correct Answer ✔️ ✔️ Sublimation
Freeze drying (sublimation) is typically used with valuable saturated books and documents. Books and documents saturated with clean water may be restorable if: ______ or _____ as quickly as possible. - Correct Answer ✔️ ✔️ Frozen & dried
________ ________ is defined as the amount of moisture contained in an air sample, as compared to the maximum amount the air could hold at that temperature. - Correct Answer ✔️ ✔️ Relative humidity (RH)
When the air temperature increases, it can hold ____ water vapor. - Correct Answer ✔️ ✔️ more
In the restorative drying industry the weight measurement used to measure water vapor in air is grains per pound of air, abbreviated as GPP. This is called ________ _____. - Correct Answer ✔️ ✔️
humidity ration
Which of these surface temperatures would promote the most rapid evaporation?
A. 60 degrees
B. 70 degrees
C. 80 degrees - Correct Answer ✔️ ✔️ C. 80 degrees
If a material is not drying well, what would be the most effective method of increasing evaporation?
A. Use air filtration
saturation. When this occurs, the air has reached its ___ point temperature. - Correct Answer ✔️ ✔️ 100% & dew
If surfaces are ______ that the dew point of the surrounding air, water will condense on those surfaces and possibly cause secondary damage. If surfaces are ______ that the dew point of the surrounding air, evaporation can occur. - Correct Answer ✔️ ✔️ cooler & warmer
_____ ________ 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
3 drying systems: - Correct Answer ✔️ ✔️ 1. Open- intentionally using outdoor air
- Closed- using mechanical dehumidification only
- 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
- Opening windows
B. 20 degrees above dew point
C. 30 degrees above dew point - Correct Answer ✔️ ✔️ C. 30 degrees above dew point (the higher the better)
The most critical course of action in restorative drying is to _______ ______ and begin __________ as soon as possible. - Correct Answer ✔️ ✔️ respond quickly & mitigation
All restorers should follow the standard of care for the water restoration profession developed by the restoration industry entitled the IICRC ____. - Correct Answer ✔️ ✔️ S
To help protect technicians from the many hazards associated with contaminated water losses, restorers need to have ready access to several items. These items protect for all _________ _________ to the body. - Correct Answer ✔️ ✔️ potential exposures
Respiratory protection regulations state that the employer must provide: - Correct Answer ✔️ ✔️ 1. Medical evaluations
- Fit testing
- Training
The contract clearly states the agreement between the building owner and the restoration contractor. The form specifies who is responsible for payment and should be signed ______ work begins. - Correct
Answer ✔️ ✔️ before
The technicians first responsibility when arriving at a water damage site is to identify, communicate, and eliminate ______ _______ if reasonably possible. - Correct Answer ✔️ ✔️ safety hazards
Federal regulations apply to the handling of ____ based paint and asbestos. - Correct Answer ✔️ ✔️ lead
After safety concerns have been addressed and the initial water source has been stopped, the restorer must complete an evaluation of the water's migration through the structure. During this process, the
Cleaning procedures must be employed before the drying of a Category 2 water loss can continue. At a minimum, affected ______ ________ (or pad) must be removed and disposed of, and carpet must be throughly cleaned using hot water extraction method. - Correct Answer ✔️ ✔️
carpet underlay
When water intrusion results from a grossly unsanitary source or carries __________ (disease causing) agents, it is said to be Category 3.
- Correct Answer ✔️ ✔️ pathogenic
Workers and occupant ______ and safety are the first priority on every sewage loss. Areas affected by Category 3 water intrusion are marked and posted as potentially hazardous. - Correct Answer ✔️ ✔️
health
Various cleaning and decontamination procedures must be used on Category 3 water losses, including the removal of all ______ ______
materials affected by the water intrusion. - Correct Answer ✔️ ✔️
highly porous
When resistance is encountered and performing proper services in a Category 3 water loss becomes a challenge, restorers ____ ____ immediately to prevent liability and address the conflict. - Correct
Answer ✔️ ✔️ stop work
Third party experts are commonly referred to as Indoor Environmental Professionals, or ____. - Correct Answer ✔️ ✔️ IEPs
Losses where regulated or hazardous materials have contaminated the structure do not change the _______ of water. - Correct Answer ✔️ ✔️ category
Pre-existing conditions should be identified, documented, and communicated to all __________ __________ parties during the initial inspection. - Correct Answer ✔️ ✔️ materially interested
