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Water Restoration Exam IICRC Exam Review: 120 Questions and Answers, Quizzes of Water Resources Planning and Management

Leeds Trinity UniversityWater Resources Planning and Management

A comprehensive review of 120 questions and answers related to the iicrc water restoration exam. It covers key concepts and principles of water damage restoration, including water categories, drying processes, and the use of psychrometric charts. Designed to help individuals prepare for the iicrc exam and gain a deeper understanding of water restoration practices.

Typology: Quizzes

2024/2025

Available from 02/10/2025

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WATER RESTORATION EXAM IICRC EXAM
REVIEW 120 QUESTIONS AND ANSWERS
100% PASS ALREADY GRADED A+
"When water intrusion results from a grossly unsanitary source or carries __________ (disease causing)
agents, it is said to be Category 3. - CORRECT ANSWER=> pathogenic"
"worker and occupant ______ and safety are the 1st 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=> IEP"
"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"
"when carpet delimitation (the loss of integrity in the adhesives used to laminate the _____ and _____
backings) has occurred, further damage is very likely. for this reason when extensive carpet delimitation
is discovered technicians must call it to the attention go all materially interested parties , document the
condition and suggest replacement. - CORRECT ANSWER=> primary and secondary"
"there are number of causes for carpet delimitation - many of them relates to ____ restoration activities
- CORRECT ANSWER=> improper"
"Many building materials will absorb excess water vapor and suffer damage, especially when air is
allowed to remain above __% relative humidity. - CORRECT ANSWER=> 60%"
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Download Water Restoration Exam IICRC Exam Review: 120 Questions and Answers and more Quizzes Water Resources Planning and Management in PDF only on Docsity!

WATER RESTORATION EXAM IICRC EXAM

REVIEW 120 QUESTIONS AND ANSWERS

100% PASS ALREADY GRADED A+

"When water intrusion results from a grossly unsanitary source or carries __________ (disease causing) agents, it is said to be Category 3. - CORRECT ANSWER=> pathogenic" "worker and occupant ______ and safety are the 1st 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=> IEP" "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" "when carpet delimitation (the loss of integrity in the adhesives used to laminate the _____ and _____ backings) has occurred, further damage is very likely. for this reason when extensive carpet delimitation is discovered technicians must call it to the attention go all materially interested parties , document the condition and suggest replacement. - CORRECT ANSWER=> primary and secondary" "there are number of causes for carpet delimitation - many of them relates to ____ restoration activities

  • CORRECT ANSWER=> improper" "Many building materials will absorb excess water vapor and suffer damage, especially when air is allowed to remain above __% relative humidity. - CORRECT ANSWER=> 60%"

"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. - CORRECT ANSWER=> equalize and secondary" "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 ______. Wet compressed insulation should be ______ - CORRECT ANSWER=> R-Value , removed" "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 extractions will significant slow the drying process. - CORRECT ANSWER=> extractions" "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" "If carpet is to be re-installed, technicians should avoid cutting carpet seams unless it is absolutely - CORRECT ANSWER=> necessary" "how many gallons of water are presenting a basement that measures 30' x 25' where water is standing at a depth of 6'9" - CORRECT ANSWER=> 30'x25'x6.75' (9"/12") = 5062.5 cuft x 7.48= 37,867.50" "every cubic foot of standing water present in a structure contains ___ gallons (28.3 liters) and each gallon (3.8 liters) of water wights 8.34pounds (3.8 kg) - CORRECT ANSWER=> 7.48" "there are 3 levels of biocidal activity, according to the environmental protection agency EPA( provide starting with weakest) - CORRECT ANSWER=> 1. sanitizer: cleaning treatment designed to reduce # of pathogenic microorganisms to a safe level.

  1. disinfectant: designed to destroy or inactivate microorganisms but not necessarily their spores
  2. Sterilizer: a product designed to destroy or eliminate all forms of microorganisms (fungi, bacteria, viruses) and their spores." "whenever a chemical antimicrobial or biocide is used restorers must follow the label ____ explicitly - CORRECT ANSWER=> directions"

"As moisture evaporates from a wet material, the surface of the material becomes ______ because energy is released from the material. - CORRECT ANSWER=> cooler" "___. occurs when vapor changes to a liquid. occurs as energy 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 or dried" "______ 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" "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 ratio" "which of these surface temperatures would prompt the most rapid evaporations? 60 degrees 70 degrees 80 degrees - CORRECT ANSWER=> 80" "if a material is not drying well what would be the most effective method of increasing evaporation? - CORRECT ANSWER=> warm the material" "one of the most effective methods of drying wet wood under hard surfaces is - CORRECT ANSWER=> heated airflow." "Use of Psychometrics chart to complete the following calculation 80 F at 60% RH 53 F at 80% RH - CORRECT ANSWER=> 91 GPP 48 GPP

  • which of the two conditions has the lowest vapor pressure? 53 F at 80% RH = 48 GPP *what is the surface temperature at which condensation would become a risk for air which is 80 F at 60%

102 F (dew point)" "what is the temperature in degrees F if the humidity ratio is 70 GPP and the relative humidity is 60% - CORRECT ANSWER=> 72 F" "____ is the temperature at which air becomes saturated with moisture and can hold no more water vapor - CORRECT ANSWER=> dew point" "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. - CORRECT ANSWER=> 100% dew point" "if surfaces are _____ then the dew point of the surrounding air, water will condense on those surfaces and possibly cause secondary damage. if surfaces are _____ then 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 ratio (GPP) are directly related to each other. when one increases the other two _____. when one decreases the other two ______. - CORRECT ANSWER=> increase decrease" "water vapor pressure is the force that drives higher convention of humidity from one space to another in an attempt to seek ____ with lower concentration 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" "drying systems (provide name and brief descriptions of each) - CORRECT ANSWER=> open: intentional using outdoor air closed: using mechanical dehumidification only combination: using outdoor air combo with mechanical dehumidification" "open , closed or combination - how to decide? - CORRECT ANSWER=> is the outside air humidity ratio lower? no : use closed drying

"restorers must maintain their safety certified equipment properly. this includes, replacing ___ that are damaged, replacing damaged inlet and outlet ___ and checking for ___ electrical plugs. - CORRECT ANSWER=> cords screens grounded" "Install _ air mover for each ________ area before you calculate additional air movers for the square feet of surfaces and for room offsets. - CORRECT ANSWER=> 1 affected" "dehumidification reduces the _____ content of the air - CORRECT ANSWER=> moisture" "A balanced drying system is achieved when the rate of dehumidification is greater than or equal to the rate of ___________. - CORRECT ANSWER=> evaporation" "If the rate of evaporation is allowed to exceed the rate of dehumidification, _________ ______ can occur. - CORRECT 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 - CORRECT ANSWER=> condensation" "LGRs produce lower ______ than conventional refrigerants and continue to remove significant water vapor down to ___GPP - CORRECT 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. - CORRECT 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 _______ - CORRECT 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 ____ - CORRECT 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:____ - CORRECT ANSWER=> desiccant" "air filtration device (AFDs) are needed in water restoration work whenever high levels of ____ are being added to the air - CORRECT 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 - CORRECT 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. - CORRECT ANSWER=> " "Cupping will generally be the first indication of abnormal moisture levels in hardwood flooring as the ______ and sides of the board absorb moisture. - CORRECT ANSWER=> bottom" "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 delimitation due to its wood veneer assemblies which are glued under extreme pressure. - CORRECT ANSWER=> plywood , resistant" "wet particle board would normally be - CORRECT ANSWER=> removed and replaced" "plastic laminate flooring is made if 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 flooring 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 gypsums original strength is restored. in fact the dried gypsum will normally be slightly ____ then 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 remove base molding drill holes and introduce air movement. - CORRECT ANSWER=> permeable" "Airflow in the wall cavity increases the rate of ___________ and allows the wall to dry from both inside and out. - CORRECT ANSWER=> evaporation" "when ceilings are affected, drying procedures are similar to wall drying. if the ceiling is sagging or otherwise damaged, wet drywall is drained, removed, and _____. removal should be done ____drying procedures begin or continue. - CORRECT ANSWER=> discarded removed"

“The most critical course of action in restoration during is to _______ an 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=> s500" "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

  1. fit testing
  2. 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 handling or disturbing 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 restorer inspects all ___________ ________ areas. - CORRECT ANSWER=> potentially affected" "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. - CORRECT ANSWER=> moisture sensor , non-invasive" "water from a clean source with no substantial risk of causing sickness or discomfort is said to be - CORRECT ANSWER=> category 1" "water that has significant degree of chemical biological and or physical contamination and potential to cause sickness or discomfort is ___________ - CORRECT ANSWER=> category 2" "cleaning procedures must be employed before the drying of a category 2 water loss can continue. at a minimum affected __________ must be removed and disposed of and carpet must be throughly cleaned using a hot water extraction method. - CORRECT ANSWER=> carpet underlay"