IICRC WRT ASD (Water Damage Restoration
Technician) and ASD (Applied Structural
Drying) and Water Restoration Exam Review
Questions and Answers | 100% Pass | Grades
A+| Guaranteed Success
David Mungai [Date] [Course title]
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IICRC WRT and ASD Water Restoration Exam Review Questions and Answers | 100% Pass |, Exams of Water and Wastewater Engineering
IICRC WRT ASD (Water Damage Restoration Technician) and ASD (Applied Structural Drying) and Water Restoration Exam Review Questions and Answers | 100% Pass | Grades A+| Guaranteed Success
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IICRC WRT ASD (Water Damage Restoration
Technician) and ASD (Applied Structural
Drying) and Water Restoration Exam Review
Questions and Answers | 100% Pass | Grades
A+| Guaranteed Success
David Mungai [Date] [Course title]
IICRC WRT ASD (Water Damage
Restoration Technician) and ASD
(Applied Structural Drying) and Water
Restoration Exam Review Questions and
Answers | 100% Pass | Grades A+|
Guaranteed Success
How many gallons of water are in a cubic foot? - Answer>> 7. What are 2 tools used to disengage carpet? - Answer>> Awl and Knee kicker When should seams be cut inn carpet to remove padding? - Answer>> Only when necessary you can cause carpet to delaminate if you do not handle it carefully or by detaching it without the proper tools - Answer>> True The primary reasons for the skin on padding is - Answer>> To make carpet installation easier opening windows an effective way to reduce humidity initially is called - Answer>> Open drying closing windows and using dehumidifiers to reduce humidity is called - Answer>> Closed drying What. Is one important goal in water damage restoration?
- Answer>> Mitigate the cost and scope of damages
What percentage of the power on a circuit is available for continuous use? - Answer>> 80% Two ways rapid airflow assists drying - Answer>> Creates pressure and transfer energy There is a direct connection between air speed and air pressure - Answer>> True air speed is measured in - Answer>> FPM (feet per minute) air pressure is measured in - Answer>> Inches of water pressure On a project with 50F air inside, what type of dehumidifier could work? - Answer>> Desiccant in order to use LGR dehumidification on a project that is 50F inside, supplemental heaters will be needed - Answer>> True Which of these two dehu types produces the lowest vapor pressure air conventional or LGR - Answer>> LGR which of these two dehu types produces the lowest vapor pressure air: Desiccant or LGR - Answer>> Desiccant outside a water damage project it is 30F which dehu would benefit the most From that air? - Answer>> Desiccant LGR Dehus work best in what temperature range? - Answer>> 70-90F
Reducing the humidity of the air is called dehumidification - Answer>> True Desiccants remove water from the air using silica - Answer>> True Refrigerant dehumidifiers remove water from the air through - Answer>> Condensation The only time you can consider open drying is when the GPP outside is higher than inside - Answer>> False when you open the windows to reduce the humidity inside the building it is called open drying - Answer>> True when you are considering open drying conditions you should consider both outside air humidity and air temperature - Answer>> True If the GPP outside is higher than inside the only drying system that you can consider is - Answer>> Closed drying when you are calculating dehumidification you need to know - Answer>> Class of water, cubic footage, type of dehu if the dew point changes what 2 other humidity measurements change - Answer>> Humidity ratio and Vapor pressure
Measures how easily vapor can pass through a material - Answer>> Permeance Carpet seams should only be cut where necessary. what is one necessary reason for cutting seams in salvable carpet? - Answer>> to remove carpet padding If drywall ceilings are saturated and sagging immediately remove and dispose of affected ceiling material (true or false) - Answer>> True when drywall is saturated it gets very soft and it wont regain its strength when dry (true or false) - Answer>> False Which subfloor materials is damaged the least when gets wet - Answer>> Plywood To dry the subfloor underneath vinyl flooring remove the vinyl (true or false) - Answer>> True when particle board gets wet what should you do with it - Answer>> Remove and dispose of it Wet concrete can be dried by applying heat energy (true or false) - Answer>> True drying a wet wall cavity by injecting air into it speeds - Answer>> Evaporation Water damage protects should be monitored at least - Answer>> Daily
Affected materials can be considered dry when - Answer>> They meet predetermined drying goals At minimum written documentation should include two things: psychrometric conditions and material moisture content (true or false) - Answer>> True Wood rot fungi can grow on materials at or above _____% moisture content - Answer>> 20 The drying goal for hardwood floors is within ____ percentage points of unaffected - Answer>> 2- The s500 indicates that you should remove drying equipment from the job within 3 days if you did it right (true or false) - Answer>> False Mold growth can occur on materials at or above ____% moisture content - Answer>> 16 Wearing PPE on a sewage damaged project shall be done because it - Answer>> Is mandotary due to natural law or regulatory requirement technicians Should clean and dry affected materials because it is - Answer>> component of the accepted standard of care, but not mandatory. If something is recommended, that means it is - Answer>> Advised or suggested but not a component of the standard of care
Other than extraction what has the most effect on drying time - Answer>> The rate of evaporation what air temperature range is ideal for LGR dehumidifiers? - Answer>> 70-90F This course is designed as a comprehensive safety course
- Answer>> False For safety, drying equipment shall be equipped with a - Answer>> Grounded plug name 3 components of a respiratory protection program - Answer>> Medical evaluation, fit testing, and proper training If you are cleaning up a sewer damaged project, at a minimum what PPE should be worn? - Answer>> Full face respiratory, water resistant suit and waterproof gloves and boots This course is designed to teach you how to identify and handle hazardous material - Answer>> False Name two hazardous materials that are more likely to be found in older building - Answer>> Lead and asbestos What organization has safety and health courses specifically tailored to the restoration industry - Answer>> IICRC According to the Hierarchy of controls what is the least effective control measure? - Answer>> PPE
What is an IEP - Answer>> Indoor Environmental Professional What begins at 20% wood moister content or above? - Answer>> Wood Root Fungi What can begin at 16% wood moister content? - Answer>> Non-destructive mold growth Name 2 reasons why we should begin remediation as soon as possible. - Answer>> Reduce potential for damage and reduce potential for microbial growth What antimicrobial provides the lowest level of microorganism reduction - Answer>> Sanitizer When you find mold on a water damage project, what are 3 things you should do? - Answer>> Put on appropriate PPE, initial barriers or containment and install ventilation If you find mold growth, what equipment would you not install? - Answer>> Air movers what category of water is from a sanitary source and not likely to make you sick? - Answer>> Cat 1 What category of water contains significant contamination and can make you sick? - Answer>> Cat 2 When should a restorer consider bringing in an IEP on a Cat 2 or Cat 3 water intrusion? - Answer>> Where there are high risk individuals or situations
A balanced drying system is achieved when the rate of dehumidification is greater than or equal to the rate of ___________. - Answer>> evaporation If the rate of evaporation is allowed to exceed the rate of dehumidification, _________ ______ can occur. - Answer>> secondary damage Refrigerant dehumidifiers remove water from the air through the process of ____ because of this fact, they are more efficient in higher humidity conditions. refrigerants dehumidifiers work best between 70 Degrees and 90 degrees F - Answer>> condensation LGRs produce lower ______ than conventional refrigerants and continue to remove significant water vapor down to ___GPP - Answer>> vapor pressure 34 GPP Because desiccant dehumidifiers do not use condensation to remove water, they are not limited by low dew point temperatures; therefore, they produce the lowest _____ ________ of any dehumidifier. - Answer>> vapor pressure if a structure had affected air at 85 F at 65% RH the most efficient type of dehumidification to use would be a _______ - Answer>> refrigerant if a structure had affected air at 75 F at 25% RH the most efficient type of air dehumidifier to use would be ____ - Answer>> desiccant
if a structure cannnot be warmed to a temperature where LGRs would be effective the most efficient type of dehumidifiers to use would be:____ - Answer>> desiccant air filtration device (AFDs) are needed in water restoration work whenever high levels of ____ are being added to the air - Answer>> particulates to determine how many dehumidifiers to place : determine the ____ feet (meters) affected or volume of air to be dehumidified by multiplying the area's length x width x height - Answer>> cubic note the dehumidifier rating (Association of home appliance manufacturers or AHAM rating) of the refrigerant/LGR dehumidifier being used or the process out CFM of the desiccant dehumidifier being used. Dehumidifiers AHAM ratings are measured in pins of water removed at 80 F, 60% RH for 24 hours. - Answer>> Cupping will generally be the first indication of abnormal moisture levels in hardwood flooring as the ______ and sides of the board absorb moisture. - Answer>> bottom Cupping in hardwood is not _________ damage, and should be dried in most cases. - Answer>> permanent ____ 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. - Answer>> plywood , resistant
damaged, wet drywall is drained, removed, and _____. removal should be done ____drying procedures begin or continue. - Answer>> discarded removed inspections are more consistent when the overall goals are kept in mind - Answer>> a) determine hoe wet items are
- monitor daily in most circumstances -use the same meters in the same locations each day b) determine if wet items are drying c)determine if affected items are dry (done) Restorers will know the drying job is dry and done when moisture meters verify that the structure has reached the ______ _____. - Answer>> drying goal moisture documentation of restoration work should include each of the following components - Answer>> a)record of moisture content (RMC) b) moisture map-a diagram or sketch indicating the boundaries and moisture levels of the affected are. c)record of drying conditions (RDC) or daily humidity record. the wood is considered dry when - Answer>> a) solid hardwood is within 2-4 percentage points of normal equilibrium moisture content (dry standard) b) subsurfaces below hardwood are dried to within 2- percentage points of the hardwood
c) after wood flooring has been dried to acceptable moisture content, appropriate **acclimation time should be allowed before refinishing the best way to prevent odors and retard microbial growth in a wet structure is to ensure that all materials are dried ______ and ______ - Answer>> throughly and rapidly when the presence of mold is suspected it is important to communicate with all parties and use appropriate_____ measures. - Answer>> protective as with any contaminant mold should be removed or contained before any air movers are placed in the structure. blowing air can spread mold spores from the ______ area to the _____ rooms - Answer>> contaminated , unaffected Dry rot (wood rot) can occur when wood is visibly dry yet wetter than __% moisture content. - Answer>> 20 restorers must use a third party (IEP) in situations that involve severe public health issues, ______ occupants living or working in the structure or extensive _____ contamination that can affect worker or occupant health - Answer>> high risk microbial Uses pins for finding the perimeter of water under carpet and padding - Answer>> Moister sensor
Wet porous materials represent from 5 to 40% of the combined floor, wall and ceiling surface - Answer>> Class 2 Significant amount of water absorption into low evaporation materials or assemblies - Answer>> Class 4 While we definitely want to get started with inspecting and planing a new project what is our first priority? - Answer>> Safety of workers and occupants Which of the following is most important during the initial walkthrough? - Answer>> Asking questions and listening What devices are used to find the perimeter of water under carpet and padding? - Answer>> IR camera and moister sensor What devices are used to find the. Perimeter of water in materials like drywall and paneling? - Answer>> IR Camera and non-penetrating moister meter What must be completed before starting work? - Answer>> A signed work contract When relative humidity exceeds 70%, conditions are ideal for what type of damage? - Answer>> Secondary damage When you are initially trying to find the perimeter of wet carpet and padding a pinless meter could be used. - Answer>> False
During the inspection professional moister meters should be used to document what information? - Answer>> Psychrometric conditions and material moister content It is important that restorers inspect all potentially affected areas they will leave wet areas behind - Answer>> True If mold growth id discovered install air movers to clean the air. - Answer>> False when Can a drying project be considered complete - Answer>> When material moister content meets drying goals when you find preexisting damage take pictures and tell all materially interested parties (MIPs) - Answer>> True One of the main reasons for doing extraction - Answer>> Contain the water from spreading there are no applicable regulations over wastewater so you can dump anywhere - Answer>> False The most critical course of action in restoration during is to _______ an begin __________ as soon as possible - 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 ____. - Answer>> s to help protect technicians from the many hazards associated with contaminated water losses restorers need