참고: DumpTOP에서 Google Drive로 공유하는 무료, 최신 WRT 시험 문제집이 있습니다: https://drive.google.com/open?id=1h0ZOn2THT4a-HJ2h0E9Hqzc_cncHrIFu
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| Section | Objectives |
|---|---|
| Water Damage Mitigation | - Stopping secondary damage - Locating the source of water - Protecting structure, furniture and other contents |
| Safety | - Immunizations - Equipment Safety - Water Damage specific hazards - Personal Protective Equipment (PPE) - Identifying potential on-the-job hazards |
| Heating, Ventilating, and Air Conditioning (HVAC) Restoration | |
| Developing a Scope | - What's wet? - Building materials: Carpet, pad, flooring, sub-flooring, framing, drywall etc. - Determining migration of water - Evaluating class of water loss - Evaluating category of water loss - Drying methods - Determine a dry standard and a dry goal |
| Administrative Procedures, Project Documentation, and Risk Management | |
| Structural Restoration | |
| Inspections, Preliminary Determinations, and Pre-Restoration Evaluations | |
| Limitations, Complexities, Complications, and Conflicts | |
| Safety and Health | |
| Antimicrobial (biocide) Technology | |
| Building and Material Science | - Psychrometry and Drying Technology - Equipment, Instruments, and Tools |
| Contents Evaluation, Restoration, and Remediation | |
| Large or Catastrophic Restoration Projects | |
| Principles of Water Damage Restoration | - Microbiology of Water Damage - Health Effects from Exposure to Microbial Contamination in Water-Damaged Buildings |
| Materials and Assemblies | |
| Specialized Experts |
IT자격증을 많이 취득하여 IT업계에서 자신만의 단단한 자리를 보장하는것이 여러분들의 로망이 아닐가 싶습니다. DumpTOP의 완벽한 IICRC인증 WRT덤프는 IT전문가들이 자신만의 노하우와 경험으로 실제IICRC인증 WRT시험문제에 대비하여 연구제작한 완벽한 작품으로서 100%시험통과율을 보장합니다.
질문 # 72
What is the most likely result when the rate of evaporation is greater than the rate of dehumidification?
정답：C
설명：
When evaporation outpaces dehumidification, the IICRC WRT body of knowledge explains that moisture accumulates in the air, increasing humidity ratio, vapor pressure, and relative humidity. This condition can stall drying and significantly increase the risk ofsecondary damage.
Excess moisture in the air can migrate into unaffected hygroscopic materials, cause condensation on cooler surfaces, and promote microbial growth. The WRT manual stresses that evaporation and dehumidification must be balanced so that moisture removed from materials is promptly removed from the air.
Rather than reducing humidity or vapor pressure, insufficient dehumidification leads to moisture saturation of the air, undermining the drying process. Monitoring psychrometric conditions allows restorers to correct imbalances before secondary damage occurs.
질문 # 73
What PPE does a restorer need to handle sewage backups?
정답：B
설명：
The IICRC WRT body of knowledge classifies sewage backups asCategory 3 water, which is grossly contaminated and poses serious health risks. Handling such conditions requires enhanced PPE to protect against pathogens, aerosols, and direct contact with contaminants.
The WRT manual specifies that appropriate PPE for sewage losses typically includes arespirator,protective body suit,waterproof or chemical-resistant gloves, andimpermeable boots. This ensemble protects the respiratory system, skin, and mucous membranes from exposure.
Leather gloves, breathable gloves, or minimal protective clothing are insufficient because they can absorb contaminants and allow exposure. A hard hat or safety vest may be necessary depending on site conditions, but they do not address biological hazards.
Proper PPE selection is based on hazard assessment and aligns with OSHA requirements. The WRT standard reinforces that worker safety is paramount and that PPE must be suitable for the level of contamination present.
질문 # 74
What happens to the surface of a wet material as moisture evaporates?
정답：C
설명：
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.
질문 # 75
In a home with a Class 2 intrusion, where the floor is 1,300 square feet with an 8-foot ceiling, what is the initial recommended Pints Per Day (PPD) if using LGR dehumidifiers?
정답：A
설명：
The IICRC WRT body of knowledge teaches that initial dehumidification capacity for LGR dehumidifiers is based oncubic footage and class of water intrusion. Class 2 intrusions involve a larger amount of moisture absorption than Class 1 but do not reach the full saturation of Class 3.
First, calculate the affected volume:
1,300 sq ft × 8 ft =10,400 cubic feet.
ForClass 2 losses, a commonly accepted WRT guideline is approximatelyone LGR dehumidifier (#200-210 PPD)per10,000-12,000 cubic feet. This capacity balances evaporation demand without over-drying or inefficiency.
A recommendation of 208 PPD aligns directly with this guidance and reflects standard WRT training tables used for initial equipment placement. Lower values (26 or 99 PPD) are insufficient for the moisture load, while 303 PPD exceeds the initial requirement for a Class 2 loss and would require justification through monitoring data.
The WRT manual emphasizes that this is aninitial recommendationand must be validated by daily psychrometric and material moisture monitoring. Equipment may be adjusted as drying progresses.
질문 # 76
Which material loses most of its structural integrity when wet but regains its strength when dry?
정답：A
설명：
Gypsum board (drywall) is identified in the WRT body of knowledge as highly vulnerable to moisture exposure, yet capable of recovering strength when dried-provided it has not sustained irreversible primary damage. The WRT manual explains that gypsum wallboard is among the most moisture-sensitive common building materials, showing rapid and dramatic change with elevated moisture levels. However, it also states that gypsum has a greater ability to recover than many other engineered products.
Critically, the WRT guidance distinguishes between primary damage (immediate structural failure) and recoverable wetting. For example, overhead or horizontally installed gypsum that becomes wet can lose structural integrity, sag, and create a significant safety concern; this sagging is considered permanent damage and requires removal.
In contrast, when gypsum board installed vertically on walls is wet but has not experienced primary damage (e.g., not structurally compromised, not severely deteriorated, and appropriate contamination considerations are addressed), the WRT manual notes that it can restore: during the drying process, gypsum's original strength is restored, and after drying it may even be slightly stronger (though sometimes more brittle). This recovery characteristic is what makes gypsum board the best match to the question's description-losing structural integrity when wet yet regaining strength when properly dried.
This material behavior is central to WRT decision-making: whether to dry in place, perform limited disruption (e.g., baseboard removal and cavity airflow), or remove materials for safety/health reasons. The WRT body of knowledge treats gypsum as potentially restorable depending on installation orientation, degree of damage, and contamination risk, which is why it is specifically described as losing integrity when wet and regaining strength when dry.
질문 # 77
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IT업계에 종사하는 분들은 치열한 경쟁을 많이 느낄것입니다. 치열한 경쟁속에서 자신의 위치를 보장하는 길은 더 많이 배우고 더 많이 노력하는것 뿐입니다.국제적으로 인정받은 IT인증자격증을 취득하는것이 제일 중요한 부분이 아닌가 싶기도 합니다. 다른 분이 없는 자격증을 내가 소유하고 있다는 생각만 해도 뭔가 안전감이 느껴지지 않나요? 더는 시간낭비하지 말고DumpTOP의IICRC인증 WRT덤프로IICRC인증 WRT시험에 도전해보세요.
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