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WRT EXAM 2025 LATEST REAL
QUESTIONS AND CORRECT ANSWERS
GRADE A
Quiz :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 restorer inspects all ________ ________ areas - Answer :potentially affected Quiz :the ultimate goal is to find the "edge" of water migration, which moves in a three-dimensional path throughout the structure. This is accomplished across carpeted surfaces using a ________ ________, and across most hard surfaces using a ________ (non-penetrating) moisture meter. - Answer :moisture sensor non-invasive Quiz :Water from a clean source with no substantial risk of causing sickness or discomfort is said to be ________ ________ water - Answer :Category one Quiz :Water that has a significant degree of chemical, biological, and/or physical contamination and potential to cause sickness or discomfort is ________ ________ water - Answer :Category two Quiz :When water intrusion results from a grossly unsanitary source or carries ________ (disease causing) agents, it is said to be a Category 3 - Answer :pathogenic Quiz :Worker 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 - Answer :Health
Quiz :When resistance is encountered and performing proper services in a category 3 water loss become a challenge, restorers ________ ________ immediately and prevent liability - Answer :Stop Work Quiz :Third party experts are commonly referred to as Indoor Environmental Professionals, or ________ - Answer :IEPs Quiz :Losses where regulated or hazardous materials have contaminated the structure do no change the ________ of water - Answer :Category Quiz :Pre-existing conditions should be identified, documented and communicated to all ________ ________ parties during the initial inspection - Answer :Materially interested Quiz :When carpet delamination (the loss of integrity in the adhesives used to laminate the ________ and ________ backing) has occurred, further damage is very likely. For this reason, when extensive carpet delamination is discovered, technicians must call it to the attention of all materially interested parties, document the condition and suggest ________ - Answer :Primary Secondary Replacement Quiz :There are a number of causes for carpet delamination - many of them related to ________ restoration activities - Answer :Improper Quiz :Typical causes of carpet delamination are:
- ________ 2.
- ________ - Answer :1. Folding or Stretching when wet
- Overly aggressive extraction
- Improper removal of tack strip 4.Improper floating of carpet Quiz :Hygroscopic materials gain and lose moisture continually in an effort to ________ with the water content in the surrounding air mass. The more hygroscopic the material, the faster it will collect water vapor, and the easier it will suffer ________ damage - Answer :Equalize
Quiz :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. Poor extraction will significantly slow the drying process - Answer :Extraction Quiz :Every ________ ________ of standing water contains 7.48 gallons, and weighs ________ pounds - Answer :Cubic foot
Quiz :There are three levels of biocidal activity, according to the Environmental Protection Agency (EPA) List from weakest to strongest
- ________ - Answer :Sanitizer Disinfectant Sterilizer Quiz :Whenever a chemical antimicrobial or biocide is used, restorers must follow the label ________ explicitly - Answer :directions Quiz :Most antimicrobials require that the area of application be vacated by ________ and pets during application and for a period of time after application
- Answer :Occupants Quiz :Establishing a ________ ________ is the best way to set restorative drying goals. A dry standard is established by obtaining a moisture reading using an ________ material - Answer :Dry standard unaffected Quiz :The numerical value from 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 ________ - Answer :meter (invasive) Quiz :When water intrusion results in water running through wall cavities, inspection access holes are used to ensure that blown-in insulation has not compacted and lost its ________ - Answer :R-value
Quiz :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 - Answer :ceramic tiles vinyl Quiz :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)
- ________ and ________ produced by mechanical systems (dehus) - Answer :Materials Air Temperature and Humidity Quiz :A thermo-hygrometer is used to monitor any air that can influence the ________ and/or ________ within a restorative drying environment - Answer :Temperature Humidity Quiz :After physically removing excess water, the time required to dry wet materials is influenced most by the ________ - Answer :Rate of Evaporation Quiz :As the water is rapidly evaporated, the water vapor is removed by ________ or ________ - Answer :Dehumidification or Ventilation Quiz :________ occurs when liquid changes to a vapor. Occurs as energy is increased - Answer :Evaporation Quiz :As moisture evaporates from a wet material, the surface of the material becomes ________ because energy is released from the material - Answer :Cooler Quiz :________ occurs when vapor changes to a liquid. Occurs as energy is removed - Answer :Condensation Quiz :________ occurs when a solid changes to a vapor (without going through a liquid phase). - Answer :Sublimation
Quiz :What is the temperature in degrees Fahrenheit if the humidity ration is 70 GPP, and the relative humidity is 60%? - Answer :72*F Quiz :________ is the temperature at which air becomes saturated with moisture vapor, or can hold no more water vapor - Answer :Dew point Quiz :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 : Dew Quiz :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 Higher Quiz :________ is the force exerted by a gas (vapor molecules) on the surrounding environment - Answer :Vapor Pressure Quiz :The greater the weight of water vapor, the greater the vapor pressure; therefore, vapor pressure, dew point and humidity ratio (GPP) are ________ to each other - Answer :Directly related Quiz :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 Quiz :The ability for water vapor to diffuse through a solid material is expressed as the material's ________ - Answer :Permeability Quiz :Drying system that intentionally uses outdoor air to lower indoor humidity with no mechanical dehumidification is called ________ - Answer :Open drying system Quiz :Drying system that uses mechanical dehumidification only is called ________ - Answer :Closed drying system
Quiz :Drying system that uses some outdoor air combined with mechanical dehumidification is called ________ - Answer :Combination drying system Quiz :If combination drying is determined appropriate, the following options (while keeping building security in mind) are available to the restorer
- ________ - Answer :1. Using ventilation fans in structure
- Using air movers to create pressure differentials and air exchange
- Opening windows Quiz :Elevating the temperature of the material is higher than the ________ temperature of the surrounding air, evaporation may occur - Answer :Dew point Quiz :A surface temperature of 30*F above dew point would have the fastest rate of ________ - Answer :Evaporation Quiz :Directly related to GPP and dew point, ________ is pressure of the water vapor on surrounding surfaces and objects, and is measured in inches of mercury. - Answer :Vapor Pressure Quiz :Movement of water vapor through a material is called ________ - Answer :Vapor diffusion Quiz :A measure of the ability for vapor to travel through a material is called ________ - Answer :Permeance Quiz :________ is the difference in GPP of the air entering and air leaving a dehumidifier - an indicator of dehumidifier performance - Answer :Grain Depression Quiz :________ is a chemical which reduces the amount of microorganisms on a surface, but does not eliminate all microbial life - Answer :Sanitizer Quiz :________ is a chemical which kills all forms of microbial life, but not the microbial spores. - Answer :Disinfectant
Quiz :Never use more than ________% of the available power on a circuit - Answer :80% Quiz :HEPA filters ________% of all particles down to 0.3 microns - Answer :99.97% Quiz :55 GPP is the lower limit for performance from ________ dehumidifiers - Answer :Conventional Quiz :34 GPP is the lower limit for performance from ________ dehumidifiers - Answer :LGR Quiz :ACM means ________ - Answer :Asbestos containing material Quiz :EMC means ________ - Answer :equilibrium moisture content Quiz :MDF means ________ - Answer :Medium density fiberboard Quiz :AFD means ________ - Answer :Air filtration device Quiz :CFM means ________ - Answer :cubic feet per minute Quiz :ACH means ________ - Answer :Air changes per hour Quiz :AEH means ________ - Answer :Air exchanges per hour Quiz :Materials with a permeance ratings of less than ________ are referred to as vapor retarding materials (sometimes referred to as vapor barriers) - Answer :1. Quiz :Vapor ________ is the process by which water moves through permeable material - Answer :Diffusion Quiz :Where a negative pressure is created, air will move from neighboring spaces to "make up" for the air removed. This process is referred to as ________ - Answer :Infiltration
Quiz :Strong ________ air pressure can cause combustion appliance exhaust to back draft into the structure - Answer :Negative Quiz :Crawlspaces are commonly unclean; when dried, they are held under a ________ air pressure relative to the ________ ________ of the house to prevent volatile organic compounds and particulate from entering the air space above - Answer :Negative Living area Quiz :Positive air pressures are created by adding air to a space. Whenever air is added to a space, an inequality is created in air pressures. This inequality will result in the ________ of air into neighboring air spaces - Answer :exfiltration Quiz :Class ________ water intrusions involve the least amound of water absorption, with less that ________% of the surfaces being wet porous materials - Answer : 5% Quiz :Class ________ water intrusions involve a significant amount of water absorption, with more that 5% but less than ________% of area surfaces being wet porous materials - Answer : 40% Quiz :Class ________ water intrusions involve the most amount of water absorption, with more than ________% of area surfaces being wet porous materials - Answer : 40% Quiz :Wet materials present in a Class ________ water intrusion require a longer time to dry. Water has saturated deeply into the materials and is held or trapped as bound water. Low evaporation materials have ________ absorption to water - Answer : Significant Quiz :Restorers must maintain their safety certified equipment properly. This includes replacing ________ that are damaged and replacing damaged inlet and outlet ________ - Answer :Cords screens
Quiz :If a structure had affected air at 75* F at 25% RH, the most efficient type of dehumidifier to use would be a ________ - Answer :Desiccant Quiz :If a structure cannot be warmed to a temperature where LGRs would be effective, the most efficient type of dehumidifier to use would be a ________ - Answer :Desiccant Quiz :When using conventional refrigerant dehumidifiers in a "Class 2" water loss containing 15,000 cubic ft., the initial AHAM-rated capacity required is ________ - Answer :375 AHAM pint required initially Quiz :When using conventional refrigerant dehumidifiers that remove 125 pints at AHAM test conditions, the number installed initially on a Class 1 water loss with 25,000 cubic ft. is ________ ________ - Answer :250 AHAM pints initially = 2 conventional refrigerant dehumidifiers Quiz :When using desiccant dehumidification in a Class 4 water loss in a 2, square ft. structure with a 9-foot ceiling height, the initial CFM required is ________ - Answer :900 CFM required initially Quiz :________ represents the "was-wood" material with the least engineering, and thus the most natural fiber bonding. - Answer :Plywood Quiz :Plywood is ________ to swelling and delamination due to its wood veneer assemblies which are glued under extreme pressure - Answer :Resistant Quiz :Wet particle board would normally be ________ and ________ - Answer :Removed and replaced Quiz :Plastic Laminate Flooring is made up of ________ and has a resin saturated appearance layer - Answer :MDF Quiz :Remove the vinyl (flooring) and discard it if the ________ is saturated and/or damaged; vinyl is a vapor barrier and time required to dry underlayment will be dramatically reduced if the vinyl is removed - Answer :Underlayment
Quiz :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 - Answer :Warm Quiz :During the drying process, all of the gypsum's original strength is restored. In fact, the dried gypsum will normally be slightly ________ than before wetting - Answer :Stronger Quiz :In structures where the surface of the wall is covered with a non________ surface it may be necessary to remove base molding drill holes and introduce air movement - Answer :Permeable Quiz :Airflow in the wall cavity increases the rate of ________ and allows the wall to dry from both inside and out - Answer :Evaporation Quiz :When ceilings are affected, drying procedures are very similar to wall drying. if the ceiling is sagging or otherwise damaged, wet drywall is drained, ________ and ________ - Answer :Remove and discard Quiz :Specific types of secondary damage associated with contents are typically: 1. ________ 2. ________
- ________/________ - Answer :Swelling Staining Color transfer delamination of surface/ finish material Quiz :Cupping will generally be the first indication of abnormal moisture levels in hardwood flooring as the ________ and sides or the board absorb moisture - Answer :Bottom Quiz :Cupping in hardwood is not ________ damage, and should be dried in most cases - Answer :Permanent Quiz :Restorers will know the drying job is dry and done when moisture meters verify that the structure has reached the ________ ________ - Answer :Drying goals
Quiz :one gallon of water weighs _______ pounds - Answer :8. Quiz :The most critical course of action in restorative drying is to _____ ______ - Answer :Respond Quickly Quiz :All restorers should follow the standard of care for the water restoration profession developed by the restoration industry entitled the IICRC ________ - Answer :S Quiz :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 - Answer :potential exposures Quiz :Respiratory protection regulations state that the employer must provide
- ________ - Answer :medical eval fit testing training Quiz :as a minimum medical requirement, technicians performing water damage restoration services need medical consultation with their ________ ________ ________ ________ for appropriate immunizations - Answer :Primary health care physician Quiz :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 - Answer :Before Quiz :The technician's first responsibility when arriving at a water damaged sites is to identify, communicate and eliminate ________ ________ - Answer :safety hazards Quiz :The most common safety hazards associated with water damaged structures result in ________ and ________ - Answer :slips and falls
Quiz :Federal regulations apply to the handling of ________ based paint and asbestos - Answer :lead
