ちなみに、PassTest WRTの一部をクラウドストレージからダウンロードできます：https://drive.google.com/open?id=1bbcIUxEf2bm_6hp66PS1am2VYXwjKlZO
試験の概要は毎年新しいポリシーに基づいて変更され、WRT質問トレントおよびその他の教育用ソフトウェアは、新しい試験の概要の後、シラバスおよび理論と実践の最新の開発および改訂に従って変更されます対応する変更は、アウトラインに非常に同意します。 WRT試験問題は、教材の完全なセットの完璧な形です。教育概要は、カバーされているすべての知識ポイントの概要を網羅し、WRT候補者のデッドアングルは、毎年の提案範囲と傾向を示します。
| Section | Objectives |
|---|---|
| Topic 1: Developing a Scope | - Evaluating class of water loss - Evaluating category of water loss - Determine a dry standard and a dry goal - Determining migration of water - Drying methods - Building materials: Carpet, pad, flooring, sub-flooring, framing, drywall etc. - What's wet? |
| Topic 2: Contents Evaluation, Restoration, and Remediation | |
| Topic 3: Heating, Ventilating, and Air Conditioning (HVAC) Restoration | |
| Topic 4: Inspections, Preliminary Determinations, and Pre-Restoration Evaluations | |
| Topic 5: Administrative Procedures, Project Documentation, and Risk Management | |
| Topic 6: Principles of Water Damage Restoration | - Microbiology of Water Damage - Health Effects from Exposure to Microbial Contamination in Water-Damaged Buildings |
| Topic 7: Antimicrobial (biocide) Technology | |
| Topic 8: Specialized Experts | |
| Topic 9: Safety | - Identifying potential on-the-job hazards - Personal Protective Equipment (PPE) - Water Damage specific hazards - Immunizations - Equipment Safety |
| Topic 10: Safety and Health | |
| Topic 11: Materials and Assemblies | |
| Topic 12: Large or Catastrophic Restoration Projects | |
| Topic 13: Limitations, Complexities, Complications, and Conflicts | |
| Topic 14: Water Damage Mitigation | - Locating the source of water - Stopping secondary damage - Protecting structure, furniture and other contents |
| Topic 15: Building and Material Science | - Equipment, Instruments, and Tools - Psychrometry and Drying Technology |
| Topic 16: Structural Restoration |
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質問 # 50
When using LGR dehumidifiers in a Class 3 water intrusion containing 9,000 cubic feet, what is the recommended dehumidification capacity?
正解：D
解説：
The IICRC WRT body of knowledge provides guidance for initial LGR dehumidification capacity based on cubic footage and class of water. For Class 3 intrusions, which involve the greatest amount of moisture absorption and evaporation (excluding Class 4), a higher dehumidification capacity is required.
A commonly taught WRT guideline is approximately one LGR dehumidifier (#150 PPD) per 3,000 cubic feet for Class 3 conditions. Applying this to a 9,000 cubic foot drying chamber results in a total recommended capacity of approximately 450 PPD.
This capacity ensures that evaporated moisture is removed efficiently, preventing elevated humidity and secondary damage. The WRT curriculum emphasizes that insufficient dehumidification in Class 3 losses can stall drying and increase microbial risk.
As with all equipment recommendations, this is an initial placement subject to adjustment based on monitoring data, but 450 PPD represents the correct starting capacity under WRT guidance.
質問 # 51
Where should a restorer inspect in a water-damaged structure?
正解：D
解説：
The IICRC WRT body of knowledge clearly states that a restorer must inspectall potentially affected areasin a water-damaged structure. Water migration is often hidden and does not always follow visible or obvious paths. Gravity, capillary action, air movement, and building assemblies can allow water to spread far beyond the area initially identified by occupants.
The WRT manual emphasizes that relying solely on visible water, odors, or customer statements is insufficient and can result in missed moisture, incomplete drying, and secondary damage. Hidden moisture may exist behind walls, under flooring, inside cabinets, beneath insulation, or in adjacent rooms not immediately associated with the loss.
A comprehensive inspection includes visual assessment, moisture detection instruments, infrared imaging (verified with meters), and evaluation of building construction features that may facilitate water movement.
This approach ensures accurate scoping, proper classification, and effective drying system design.
Inspecting all potentially affected areas aligns with the ANSI/IICRC S500 Standard's requirement for thorough evaluation and defensible documentation, reducing the risk of undiscovered moisture and future claims.
質問 # 52
What two tools are used to properly disengage most stretched-in carpet?
正解：C
解説：
The IICRC WRT body of knowledge identifies apower stretcher and knee kickeras the primary tools used to properly disengage and reinstall most stretched-in carpet systems. These tools are designed to safely release carpet from tack strips without tearing the backing or damaging the carpet edges.
A knee kicker is commonly used to disengage carpet along edges and corners by applying controlled force. A power stretcher is then used during reinstallation to properly tension the carpet across the room, preventing wrinkles, buckling, or future failure.
The WRT manual emphasizes that improper disengagement-such as pulling carpet by hand or using pliers- can cause delamination, backing damage, or seam separation. Such damage may be considered avoidable secondary damage and create liability for the restorer.
Carpet awls and molding lifters serve other purposes but are not sufficient for disengaging stretched-in carpet.
Proper tool use ensures that restorable carpet can be safely lifted for drying and returned to service when conditions allow.
質問 # 53
In order to increase the rate of evaporation, what should the surface temperature of the material be?
正解：B
解説：
The IICRC WRT body of knowledge explains that to increase therate of evaporation, the surface temperature of wet materials must beabove the dew point temperatureof the surrounding air. When a surface is warmer than the dew point, water molecules have sufficient energy to change from a liquid state to a vapor state and move into the air.
If a surface temperature falls at or below the dew point, condensation occurs instead of evaporation, adding moisture back onto the material. This condition directly opposes drying and can result in secondary damage.
The WRT curriculum therefore emphasizes continuous monitoring of both air dew point and material surface temperatures to ensure evaporation conditions are maintained.
Relative humidity is not a temperature, and vapor pressure equality does not drive evaporation. Only maintaining surface temperatures above dew point ensures positive evaporation potential.
This principle is fundamental to restorative drying and is repeatedly reinforced throughout WRT psychrometric training.
質問 # 54
What happens to the surface of a wet material as moisture evaporates?
正解：C
解説：
As moisture evaporates from a wet material, the surface temperature of that material typically becomes cooler. This occurs because evaporation requires energy (heat) to change water from a liquid phase into a vapor phase. In restorative drying, that energy is drawn from the material and its immediate environment, producing a cooling effect at the evaporation interface commonly referred to as "evaporative cooling." The WRT body of knowledge explicitly states that as moisture evaporates from wet material, the surface becomes cooler because energy is released from the material during the phase change.
This cooling effect is not just theoretical; it is used in field practice to help locate moisture. TheWRT reference explains that thermal imaging cameras often "detect" wet areas primarily by observing cooler surface temperatures associated with evaporative cooling. Where evaporation is occurring, cooling typically occurs, and those cooler signatures can help identify areas that may be wet-subject to confirmation with moisture meters due to potential false readings.
From a drying-system perspective, evaporative cooling also helps explain why increasing air movement, controlling humidity, and managing temperature are interdependent. If evaporation is strong, the surface cools, which can reduce evaporation potential unless the system supplies adequate energy (heat) and maintains low vapor pressure in the surrounding air. Thus, the "cooler surface" outcome is an expected physical consequence of evaporation and a measurable indicator that the drying process is actively occurring at the material boundary.
質問 # 55
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