USGBC LEED-AP-Homes인증시험은 전문적인 관련지식을 테스트하는 인증시험입니다. Itexamdump는 여러분이USGBC LEED-AP-Homes인증시험을 통과할 수 잇도록 도와주는 사이트입니다. 많은 분들이 많은 시간과 돈을 들여 혹은 여러 학원 등을 다니면서USGBC LEED-AP-Homes인증시험패스에 노력을 다합니다. 하지만 우리Itexamdump에서는 20시간 좌우만 투자하면 무조건USGBC LEED-AP-Homes시험을 패스할 수 있도록 도와드립니다.
학원다니면서 많은 지식을 장악한후USGBC LEED-AP-Homes시험보시는것도 좋지만 회사다니느랴 야근하랴 시간이 부족한 분들은USGBC LEED-AP-Homes덤프만 있으면 엄청난 학원수강료 필요없이 20~30시간의 독학만으로도USGBC LEED-AP-Homes시험패스가 충분합니다. 또한 취업생분들은 우선 자격증으로 취업문을 두드리고 일하면서 실무를 익혀가는방법도 좋지 않을가 생각됩니다.
Itexamdump 질문 풀은 실제시험 변화의 기반에서 스케줄에 따라 업데이트 합니다. 만일 USGBC LEED-AP-Homes테스트에 어떤 변화가 생긴다면, 적중율이 항상 98% 이상을 유지 할 수 있도록 2일간의 근무일 안에 제품을 업데이트 하도록 합니다. Itexamdump는 고객들이 테스트에 성공적으로 합격 할 수 있도록 하기 위하여 업데이트 된 버전을 구매후 서비스로 제공해드립니다. 시험에서 불합격받으셨는데 업데이트가 힘든 상황이면 덤프비용을 환불해드립니다.
질문 # 69
The prerequisite for homeowner basic operations and training must include:
정답：B
설명：
TheLEED for Homes Rating System (v4)includes theInnovation (IN) Prerequisite: Education of the Homeowner, Tenant, or Building Manager, which ensures occupants are educated on the home's sustainable features and maintenance requirements.
According to theLEED Reference Guide for Homes Design and Construction (v4):
IN Prerequisite: Education of the Homeowner, Tenant, or Building Manager Provide a minimum of a two-hour walk-through of the home with the homeowner or tenant, including training on the operation and maintenance of equipment and systems, such as HVAC, water heating, and renewable energy systems.
Source: LEED Reference Guide for Homes Design and Construction, v4, Innovation Prerequisite: Education of the Homeowner, Tenant, or Building Manager, p. 188.
TheLEED v4.1 Residential BD+Crating system confirms:
IN Prerequisite: Education of the Homeowner or Tenant
A two-hour walk-through with equipment training is required to educate homeowners on the operation and maintenance of green features.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The prerequisite requiresa two-hour house walk-through including equipment training(Option C) to ensure homeowners understand how to operate and maintain the home's sustainable systems.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, IN Credit: Innovation, p. 190.
B). A map of neighborhood open spaces: This is relevant toLT Credit: Community Resources and Services, not homeowner education.Reference: LEED Reference Guide for Homes Design and Construction, v4, LT Credit: Community Resources and Services, p. 56.
D). A DVD with operations and maintenance information: While supplementary materials like DVDs are allowed, the prerequisite mandates a walk-through, not a DVD.Reference: LEED Reference Guide for Homes Design and Construction, v4, IN Prerequisite: Education of the Homeowner, Tenant, or Building Manager, p.
188.
TheLEED AP Homes Candidate Handbookemphasizes IN prerequisites, including homeowner education, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of the walk-through requirement.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Innovation Prerequisite:
Education of the Homeowner, Tenant, or Building Manager, p. 188.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming homeowner education requirements.
질문 # 70
Which of the following measures is a radon-resistant construction technique?
정답：A
설명：
TheLEED for Homes Rating System (v4)includes theIndoor Environmental Quality (EQ) Credit: Radon Control, which promotes radon-resistant construction techniques to mitigate the health risks of radon gas, a naturally occurring radioactive gas that can accumulate in homes.
According to theLEED Reference Guide for Homes Design and Construction (v4):
EQ Credit: Radon Control (1 point)
Install a passive or active radon-resistant system, including a vent pipe extending from below the foundation (e.g., sub-slab or crawlspace) to the roof to exhaust radon gases before they enter the home. This is a primary radon-resistant construction technique.
Source: LEED Reference Guide for Homes Design and Construction, v4, Indoor Environmental Quality Credit: Radon Control, p. 150.
TheLEED v4.1 Residential BD+Crating system confirms:
EQ Credit: Radon Control
A vent pipe to exhaust gases from under the home (e.g., sub-slab depressurization system) is a key radon- resistant technique, preventing radon entry into living spaces.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer isvent pipe to exhaust gases from under the home(Option A), as this is a standard radon- resistant technique, typically involving a sub-slab depressurization system with a vent pipe.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EQ Credit: Radon Control, p.
150.
C). Perforated foundation slab to allow air circulation: Perforated slabs are not a recognized radon-resistant method; they may increase radon entry by allowing gas to flow into the home.Reference: LEED Reference Guide for Homes Design and Construction, v4, EQ Credit: Radon Control, p. 150.
D). Continuously operating bath fans to remove gases from inside the home: Bath fans address general ventilation, not radon-specific mitigation, which requires sub-slab venting.Reference: LEED Reference Guide for Homes Design and Construction, v4, EQ Credit: Enhanced Ventilation, p. 146.
TheLEED AP Homes Candidate Handbookemphasizes EQ credits, including radon control, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based on LEED v4, ensuring the relevance of vent pipe systems.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Indoor Environmental Quality Credit: Radon Control, p. 150.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming radon-resistant techniques.
질문 # 71
What are the benefits of rainwater harvesting in areas with substantial rainfall spikes?
정답：D
설명：
TheLEED for Homes Rating System (v4)addresses rainwater harvesting in theSustainable Sites (SS) Credit: Rainwater Management, which aims to reduce runoff and manage stormwater on-site, particularly in areas with significant rainfall events.
According to theLEED Reference Guide for Homes Design and Construction (v4):
SS Credit: Rainwater Management (1-3 points)
Implement rainwater harvesting systems (e.g., rain barrels, cisterns) to capture and store rainwater, reducing runoff volume and keeping water out of storm sewers. This is particularly beneficial in areas with substantial rainfall spikes, as it mitigates flooding and reduces strain on municipal stormwater systems.
Source: LEED Reference Guide for Homes Design and Construction, v4, Sustainable Sites Credit: Rainwater Management, p. 76.
TheLEED v4.1 Residential BD+Crating system confirms:
SS Credit: Rainwater Management
Rainwater harvesting reduces runoff by capturing water on-site, preventing it from entering storm sewers, which is especially effective during heavy rainfall events.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer iskeeps water out of storm sewers(Option C), as rainwater harvesting captures runoff, reducing the burden on stormwater infrastructure, particularly in areas with seasonal or substantial rainfall spikes.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, SS Credit: Rainwater Management, p. 76.
B). Helps to maintain required firewater levels: Firewater systems are unrelated to rainwater harvesting, which is for non-potable uses like irrigation.Reference: No mention in LEED v4 for Homes; irrelevant to rainwater management.
D). Little-to-no benefit since precipitation is seasonal: Rainwater harvesting is highly beneficial during rainfall spikes, as it captures excess water for later use, contradicting this option.Reference: LEED Reference Guide for Homes Design and Construction, v4, SS Credit: Rainwater Management, p. 76.
TheLEED AP Homes Candidate Handbookemphasizes SS credits, including rainwater management, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of rainwater harvesting benefits.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Sustainable Sites Credit:
Rainwater Management, p. 76.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming rainwater harvesting benefits.
질문 # 72
Energy losses due to supply duct leakage are most likely to occur when:
정답：C
설명：
Duct leakage in HVAC systems can significantly increase energy losses, particularly when ducts are poorly sealed or located in areas that exacerbate the impact of leakage. This issue is addressed in theLEED for Homes Rating System (v4)under theEnergy and Atmosphere (EA)category, specifically in credits related to Heating and Cooling Distribution Systems.
According to theLEED Reference Guide for Homes Design and Construction (v4), the location of ducts plays a critical role in energy losses due to leakage:
EA Credit: Heating and Cooling Distribution Systems
To minimize energy losses, locate all heating and cooling ducts and air handlers within the conditioned envelope of the building. Ducts located in unconditioned spaces, such as attics, basements, or exterior walls, are more likely to lose energy due to leakage, as air escaping from ducts in these areas is lost to the outside or unconditioned zones, increasing heating and cooling loads.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Credit:
Heating and Cooling Distribution Systems, p. 126.
TheLEED v4.1 Residential BD+Crating system further clarifies this:
EA Credit: Optimize Energy Performance
Ducts located in unconditioned spaces (e.g., attics, unconditioned basements, or exterior walls) contribute to significant energy losses when leakage occurs, as conditioned air escapes to areas outside the thermal envelope. Sealing ducts and locating them within conditioned spaces are best practices to minimize losses.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
Ducts inunconditioned attics, basements, or exterior wallsare particularly problematic because any leakage results in conditioned air being lost to spaces that are not temperature-controlled, requiring the HVAC system to work harder to maintain indoor comfort. This scenario maximizes energy losses compared to ducts within the conditioned envelope.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Heating and Cooling Distribution Systems, p. 127, which discusses return air strategies but not as a primary leakage concern.
B). Duct layout includes multiple 90-degree bends on a single branch: Multiple 90-degree bends increase airflow resistance, reducing system efficiency, but they do not directly cause duct leakage. Leakage is related to unsealed joints or poor duct construction, not the geometry of the duct layout.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Heating and Cooling Distribution Systems, p. 126, which prioritizes duct sealing over layout.
C). Ducts are located within conditioned envelope but joints are unsealed: While unsealed joints cause leakage, ducts within the conditioned envelope leak into spaces that are already temperature-controlled. This reduces the energy impact compared to leakage in unconditioned spaces, as the conditioned air remains within the thermal envelope.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit:
Heating and Cooling Distribution Systems, p. 126, which notes that ducts in conditioned spaces minimize energy loss from leakage.
TheLEED AP Homes Candidate Handbookconfirms that the exam tests knowledge of EA credits, including duct system design and energy performance, referencing theLEED Reference Guide for Homes Design and Constructionas a primary resource. The handbook ensures that the exam is based onLEED v4, aligning with the focus on duct location and sealing.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Credit: Heating and Cooling Distribution Systems, p. 126-127.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming duct location impacts.
질문 # 73
A benefit of lower window U-factor is:
정답：C
설명：
TheLEED for Homes Rating System (v4)addresses window performance in theEnergy and Atmosphere (EA) Credit: Windows, where a lower U-factor (thermal transmittance) improves energy efficiency by reducing heat loss or gain.
According to theLEED Reference Guide for Homes Design and Construction (v4):
EA Credit: Windows (1-3 points)
Use windows with a lower U-factor to reduce energy use by minimizing heat transfer through the glazing, improving the home's thermal performance and reducing heating and cooling loads.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Credit:
Windows, p. 122.
TheLEED v4.1 Residential BD+Crating system confirms:
EA Credit: Windows
A lower window U-factor reduces energy use by decreasing heat loss in winter and heat gain in summer, contributing to overall energy efficiency.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer isreduced energy use(Option B), as a lower U-factor directly improves the home's energy performance by reducing thermal transfer.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Windows, p. 122.
C). Increased daylighting: Daylighting is influenced by visible light transmission, not U-factor.Reference:
LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Windows, p. 122.
D). Reduced maintenance: U-factor does not impact maintenance requirements.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Windows, p. 122.
TheLEED AP Homes Candidate Handbookemphasizes EA credits, including window performance, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of U-factor benefits.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Credit: Windows, p. 122.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming U-factor benefits.
질문 # 74
......
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