WRT PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+RECENT VERSION

WRT PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+RECENT VERSION 1. The most critical course of action in restorative drying is to _______ ______ and begin __________ as soon as possible. - answer respond quickly & mitigation 2. All restorers should follow the standard of care for the water restoration profession developed by the restoration industry entitled the iicrc ____. - answer s500 3. 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 4. Respiratory protection regulations state that the employer must provide: - answer 1. Medical evaluations 2. Fit testing 3. Training 5. 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 6. The technicians first responsibility when arriving at a water damage site is to identify, communicate, and eliminate ______ _______ if reasonably possible. - answer safety hazards 7. Federal regulations apply to the handling of ____ based paint and asbestos. - answer lead 8. 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 9. 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 10. Water from a clean source with no substantial risk of causing sickness of discomfort is said to be ________ _ water. - answer category 1 11. Water that has a significant degree of chemical, biological, and/or physical contamination and a potential to cause sickness or discomfort is ________ _. - answer category 2 12. 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. - answer carpet underlay 13. When water intrusion results from a grossly unsanitary source or carries __________ (disease causing) agents, it is said to be category 3. - answer pathogenic 14. 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. - answer health 15. Various cleaning and decontamination procedures must be used on category 3 water losses, including the removal of all ______ ______ materials affected by the water intrusion. - answer highly porous 16. 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. - answer stop work 17. Third party experts are commonly referred to as indoor environmental professionals, or ____. - answer ieps 18. Losses where regulated or hazardous materials have contaminated the structure do not change the _______ of water. - answer category 19. Pre-existing conditions should be identified, documented, and communicated to all __________ __________ parties during the initial inspection. - answer materially interested 20. When carpet delamination (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 delamintation is discovered, technicians must call it to the attention of all materially interested parties, document the condition and suggest ___________. - answer primary, secondary, & replacement 21. There are a number of causes for carpet delamination -- many of them related to ________ restoration activities. - answer improper 22. Typical causes of carpet delamination are: - answer 1. Folding or stretching carpet when wet 2. Overly aggressive extraction 3. Improperly specified carpet underlay 4. Improper installation 5. Improper removal from tack strip 6. Improper floating of carpet 7. Excessive wear 8. Pet damage 23. Many building materials will absorb excess water vapor and suffer damage, especially when air is allowed to remain above __% relative humidity. - answer 60 24. 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 & secondary 25. 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 _-_____. - answer r-value 26. 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. - answer extraction 27. Abide by local ____ and regulations when disposing extracted water. Waste water is best disposed of into a sanitary sewer. - answer laws 28. The primary goal of the initial extraction of the affected area is to contain further _________ of the water within the structure. - answer migration 29. Whenever carpet must be disengaged from the tackless strip, a ____ ______ and carpet awl must be used. - answer knee kicker 30. 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. - answer carpet stretching 31. If the carpet is to be re-installed, technicians should avoid cutting carpet seams unless it is absolutely _________. - answer necessary 32. Every cubic foot of standing water present in a structure contains _.__ gallons (28.3 liters), and each gallon (3.8 liters) of water weighs 8.34 pounds (3.8 kg). - answer 7.48 33. There are 3 levels of biocidal activity, according to the environmental protection agency (epa): - answer 1. Sanitizer (reduces pathogens to a safe level) 2. Disinfectant (destroys microorganisms, but not spores) 3. Sterilizer (destroys microorganisms, including their spores) 34. Whenever a chemical antimicrobial or biocide is used, restorers must follow the label __________ explicitly. - answer directions 35. Most antimicrobials require that the area of application be vacated by _________ and pets during application and for a period fo time after application. - answer occupants 36. 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 37. 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. - answer meter 38. 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 tile & vinyl 39. A thermo-hygrometer is used to monitor any air that can influence the ___________ and/or ________ ________ with a restorative drying environment. - answer temperature & relative humidity 40. 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) - answermaterials, air, & air 41. Evaporation will increase when: - answer 1. Wet materials are made warmer. 2. When drier air is used. When air is moved more rapidly across the wet surface. 42. After excess water has been extracted, the time needed to dry wet materials is determined by the ____ __ ___________. - answer rate of evaporation 43. As the water is rapidly evaporated, the water vapor is removed by ________________ or ___________. - answer dehumidification & ventilation 44. ___________ occurs when liquid changes to a vapor. Occurs as energy is increased. - answer evaporation 45. As moisture evaporates from a wet material, the surface of the material becomes ______ because energy is released from the material. - answer cooler 46. ____________ occurs when vapor changes to a liquid. Occurs as every is removed. - answer condensation 47. ___________ occurs when a solid changes to a vapor (without going through a liquid phase.) - answer sublimation 48. 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. - answer frozen & dried 49. ________ ________ 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. - answer relative humidity (rh) 50. When the air temperature increases, it can hold ____ water vapor. - answer more 51. 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 ________ _____. - answer humidity ration 52. Which of these surface temperatures would promote the most rapid evaporation? a. 60 degrees b. 70 degrees c. 80 degrees - answer c. 80 degrees 53. If a material is not drying well, what would be the most effective method of increasing evaporation? Use air filtration Warm the material