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【General】 Latest LEED-AP-Homes Learning Materials | Reliable LEED-AP-Homes Cram Materials

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USGBC LEED AP Homes (Residential) Exam Sample Questions (Q49-Q54):NEW QUESTION # 49
For a project to earn one point for Materials and Resources Credit, Environmentally Preferable Products, what must occur?
  • A. Meet both Option 1: Local Production and Option 2: Environmentally Preferable Products
  • B. Achieve more than 95% of the component by weight or volume that meets Option 2: Environmentally Preferable Products
  • C. Achieve more than 95% of the component by weight or volume that meets Option 1: Local Production
  • D. Meet more than two or more of the criteria under Option 2: Environmentally Preferable Products
Answer: D
Explanation:
TheLEED for Homes Rating System (v4)outlines the requirements for theMaterials and Resources (MR) Credit: Environmentally Preferable Products, which encourages the use of sustainable materials. The credit has two options:Option 1: Local Production(materials sourced within 100 miles) andOption 2:
Environmentally Preferable Products(materials with attributes like recycled content, FSC-certified wood, or low emissions).
According to theLEED Reference Guide for Homes Design and Construction (v4):
MR Credit: Environmentally Preferable Products (1-4 points)
Earn points by meeting the following:
* Option 2: Environmentally Preferable Products: Use products that meet one or more of the following criteria for at least 25% (1 point), 50% (2 points), or 90% (3-4 points) by cost of the total materials:
* Recycled content
* FSC-certified wood
* Bio-based materials
* Low-emission products (e.g., low-VOC paints)To earn 1 point, at least 25% of the materials (by cost) must meet two or more of these criteria.Source: LEED Reference Guide for Homes Design and Construction, v4, Materials and Resources Credit: Environmentally Preferable Products, p.
160-161.
TheLEED v4.1 Residential BD+Crating system confirms:
MR Credit: Environmentally Preferable Products
For 1 point, use products that meet two or more environmentally preferable criteria (e.g., recycled content, FSC-certified) for at least 25% of the total material cost.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
To earnone pointunder Option 2, the project must use materials that collectively meettwo or moreof the environmentally preferable criteria (e.g., a product with both recycled content and low emissions) for at least
25% of the total material cost. This makesOption Bthe correct answer.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, MR Credit: Environmentally Preferable Products, p. 161.
C). Achieve more than 95% of the component by weight or volume that meets Option 1: Local Production: Option 1 focuses on local production (within 100 miles), not environmentally preferable attributes, and uses cost, not weight or volume. It is a separate compliance path.Reference: LEED Reference Guide for Homes Design and Construction, v4, MR Credit: Environmentally Preferable Products, p. 160.
D). Meet both Option 1: Local Production and Option 2: Environmentally Preferable Products: The credit allows projects to pursue either Option 1 or Option 2 independently. Meeting both is not required for one point.Reference: LEED Reference Guide for Homes Design and Construction, v4, MR Credit:
Environmentally Preferable Products, p. 160.
TheLEED AP Homes Candidate Handbookemphasizes MR credits, including Environmentally Preferable Products, and references theLEED Reference Guide for Homes Design and Constructionas a key resource.
The exam is based onLEED v4, ensuring the relevance of Option 2's criteria.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Materials and Resources Credit: Environmentally Preferable Products, p. 160-161.
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 criteria for one point.

NEW QUESTION # 50
A project team targets concrete as a material to receive Environmentally Preferable Products credit for fly ash content. Due to weather conditions, the structural engineer suggests reducing the fly ash content in a small portion of the suspended slab areas to speed the curing process and achieve the required strength. The adjusted calculation shows that reduced fly ash in these areas will result in failure to achieve the targeted point. Which of the following is the most effective strategy that the LEED AP could pursue?
  • A. Ignore the engineer's recommendation and proceed with the original design
  • B. Demand the project team slow the construction schedule so additional curing time will allow the required amount of fly ash to be used
  • C. Submit a CIR requesting the low fly ash suspended slab be removed from the calculations
  • D. Apply for a Regional Priority exemption since the local climate interfered with the project team's best effort to achieve the point
Answer: A
Explanation:
TheLEED for Homes Rating System (v4)awards points for theMaterials and Resources (MR) Credit:
Environmentally Preferable Productsbased on the use of materials with sustainable attributes, such as concrete with fly ash (a recycled material that reduces the environmental impact of cement production). The scenario indicates that reducing fly ash content in some suspended slab areas due to weather-related curing concerns would cause the project to fall short of the credit's threshold (e.g., 25%, 50%, or 90% by cost).
According to theLEED Reference Guide for Homes Design and Construction (v4):
MR Credit: Environmentally Preferable Products (1-4 points)
Use products that meet one or more of the following criteria for at least 25%, 50%, or 90% (by cost) of the total materials in the project:
* Recycled content: Materials with pre- or post-consumer recycled content, such as fly ash in concrete.
The percentage is calculated based on the total cost of qualifying materials across the project.Source:
LEED Reference Guide for Homes Design and Construction, v4, Materials and Resources Credit:
Environmentally Preferable Products, p. 160.
TheLEED v4.1 Residential BD+Crating system confirms this:
MR Credit: Environmentally Preferable Products
Concrete with fly ash qualifies as an environmentally preferable product if it contributes to the required percentage of material cost. Project teams must ensure compliance across all relevant components.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The most effective strategy is toignore the engineer's recommendation and proceed with the original design(Option B). This ensures the project maintains the intended fly ash content to meet the credit threshold.
Fly ash typically slows concrete curing, but modern mix designs and admixtures (e.g., accelerators) can mitigate weather-related delays without reducing fly ash content. The LEED AP should collaborate with the structural engineer to explore alternative solutions, such as adjusting the mix or using curing blankets, to maintain both structural integrity and credit compliance.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, Introduction, p. 12 (discusses CIR process).
C). Apply for a Regional Priority exemption since the local climate interfered with the project team's best effort to achieve the point: Regional Priority (RP) credits provide bonus points for addressing local environmental priorities, not exemptions for failing to meet credit requirements. Weather conditions do not justify an exemption for MR credits.Reference: LEED Reference Guide for Homes Design and Construction, v4, Regional Priority Credit, p. 190.
D). Demand the project team slow the construction schedule so additional curing time will allow the required amount of fly ash to be used: Slowing the construction schedule is impractical and costly, especially when alternative solutions (e.g., admixtures) can address curing time without compromising fly ash content. This option is less effective than maintaining the original design with adjustments.Reference: LEED Reference Guide for Homes Design and Construction, v4, MR Credit: Environmentally Preferable Products, p. 161 (discusses practical implementation).
TheLEED AP Homes Candidate Handbookemphasizes the need to understand MR credits and practical strategies for compliance, referencing theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of maintaining fly ash content.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Materials and Resources Credit: Environmentally Preferable Products, p. 160-161.
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 fly ash criteria.

NEW QUESTION # 51
How is credit earned under Regional Priority Credit, Regional Priority when the credit has multiple thresholds?
  • A. Points are awarded at the minimum threshold
  • B. Points are awarded when the maximum threshold has been exceeded
  • C. Points are awarded at particular levels of achievement
  • D. Points are awarded at the maximum threshold
Answer: B
Explanation:
TheLEED for Homes Rating System (v4)includesRegional Priority (RP) Credits, which provide bonus points for achieving existing credits identified as environmentally significant for a project's region. For credits with multiple thresholds, exemplary performance can earn additional points.
According to theLEED Reference Guide for Homes Design and Construction (v4):
Regional Priority Credits (1-4 points)
Regional Priority Credits are awarded for achieving designated credits that address location-specific environmental priorities. For credits with multiple thresholds (e.g., Water Efficiency Credit: Outdoor Water Use), an additional bonus point is awarded when the maximum threshold has been exceeded, demonstrating exemplary performance.
Source: LEED Reference Guide for Homes Design and Construction, v4, Regional Priority Credits, p. 190; Innovation Credit: Innovation, p. 190.
TheLEED v4.1 Residential BD+Crating system confirms:
Regional Priority Credits
When an RP credit has multiple thresholds, a project earns the bonus point by meeting the base credit requirements, and an additional point may be earned for exemplary performance by exceeding the maximum threshold of the underlying credit.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer ispoints are awarded when the maximum threshold has been exceeded(Option C), as RP credits with multiple thresholds award bonus points for exemplary performance beyond the highest threshold.
Why not the other options?
* A. Points are awarded at the minimum threshold: RP credits require achieving the base credit, not just the minimum threshold.
* B. Points are awarded at the maximum threshold: Points are awarded for exceeding the maximum threshold, not just meeting it.
Reference: LEED Reference Guide for Homes Design and Construction, v4, Regional Priority Credits, p. 190.
TheLEED AP Homes Candidate Handbookemphasizes RP credits and exemplary performance, referencing theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based on LEED v4, ensuring the relevance of exceeding thresholds.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Regional Priority Credits, p.
190; Innovation Credit: Innovation, p. 190.
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 exemplary performance criteria.

NEW QUESTION # 52
The first consideration in solar home design is to:
  • A. Select windows
  • B. Size solar shading
  • C. Orient the building
  • D. Incorporate thermal mass
Answer: C
Explanation:
TheLEED for Homes Rating System (v4)encourages passive solar design strategies in theEnergy and Atmosphere (EA)category, particularly inEA Credit: Optimize Energy PerformanceorEA Prerequisite:
Minimum Energy Performance, to maximize energy efficiency through site and building design.
According to theLEED Reference Guide for Homes Design and Construction (v4):
EA Credit: Optimize Energy Performance
The first step in solar home design is to orient the building to maximize solar exposure for passive heating, daylighting, and potential active solar systems. Proper orientation (e.g., south-facing in the Northern Hemisphere) optimizes energy performance before other strategies like window selection or shading.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Credit:
Optimize Energy Performance, p. 118.
TheLEED v4.1 Residential BD+Crating system confirms:
EA Credit: Optimize Energy Performance
Building orientation is the primary consideration in solar design, as it determines the effectiveness of passive solar strategies and energy efficiency measures.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
Thefirst considerationin solar home design is toorient the building(Option D), typically to maximize south- facing exposure (in the Northern Hemisphere) to optimize passive solar heating, daylighting, and solar energy potential.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Windows, p. 122.
B). Size solar shading: Shading is designed after orientation to manage solar gain.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Optimize Energy Performance, p. 118.
C). Incorporate thermal mass: Thermal mass is a secondary strategy to store heat after orientation is optimized.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Optimize Energy Performance, p. 118.
TheLEED AP Homes Candidate Handbookemphasizes EA credits, including solar design, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based on LEED v4, ensuring the relevance of building orientation.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Credit: Optimize Energy Performance, p. 118.
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 solar design priorities.

NEW QUESTION # 53
Which of the following measures is a radon-resistant construction technique?
  • A. Pressurized basement or crawlspace to prevent gases from entering the home
  • B. Vent pipe to exhaust gases from under the home
  • C. Continuously operating bath fans to remove gases from inside the home
  • D. Perforated foundation slab to allow air circulation
Answer: B
Explanation:
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.

NEW QUESTION # 54
......
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