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NEW QUESTION # 164
What is pre-consumer recycled content?
- A. Waste material that is generated by households or by commercial use
- B. Waste material that is diverted from the waste stream during the manufacturing process
- C. Waste material that is generated from factories
- D. Virgin material that is not utilized in production
Answer: B
Explanation:
Pre-consumer recycled content refers to waste material that is diverted from the waste stream during the manufacturing process. This can include scraps or trimmings that are collected and returned to the manufacturing process. It does not include rework, regrind, or scrap materials capable of being reclaimed within the same process that generated them. References: LEED Green Associate Candidate Handbook, U.S.
Green Building Council resources
NEW QUESTION # 165
By specifying the installation of occupancy sensors for the building's lighting system, what pair of LEED credit categories would be affected?
- A. Indoor Environmental Quality and Energy and Atmosphere
- B. Innovation and Water Efficiency
- C. Integrative Process and Sustainable Sites
- D. Location and Transportation and Materials and Resources
Answer: A
Explanation:
Explanation
Occupancy sensors are devices that detect the presence or absence of people in a space and automatically turn the lights on or off accordingly. By installing occupancy sensors for the building's lighting system, projects can achieve two benefits: improving the indoor environmental quality (IEQ) and reducing the energy consumption. Occupancy sensors can enhance the IEQ by providing lighting control for individual spaces, allowing occupants to adjust the light levels to their preferences and needs. Occupancy sensors can also save energy by avoiding unnecessary lighting when spaces are unoccupied, thus lowering the electricity demand and greenhouse gas emissions. References: LEED v4 Reference Guide for Building Design and Construction, p. 507 1; LEED v4 Reference Guide for Building Operations and Maintenance, p. 241 1
NEW QUESTION # 166
Which of the following stakeholders are involved in the feedback mechanism?
- A. Building Energy Modeler
- B. Occupants
- C. Civil Engineer
- D. Landscape Architect
Answer: B
Explanation:
The feedback mechanism is a process of collecting and analyzing data from the building occupants to evaluate the performance of the building and identify opportunities for improvement1. Occupants are the primary source of feedback, as they are the ones who experience the building on a daily basis and can provide valuable insights on its comfort, functionality, and satisfaction2.
References := LEED v4: Building Design + Construction Guide, Feedback Mechanism - LEEDuser
NEW QUESTION # 167
A developer has asked the building designer to incorporate a landscape irrigation system using the building's graywater in order to earn LEED points. Which is the most appropriate source of graywater for this use?
- A. Janitor sink
- B. Toilet
- C. Urinal
- D. Bathroom sink
Answer: D
Explanation:
Graywater refers to wastewater that is not heavily soiled, typically from bathroom sinks, showers, tubs, and washing machines. It does not include water from toilets (which is considered blackwater) or kitchen sinks (which can contain food waste). Graywater can be treated and reused for purposes like landscape irrigation, which can save water and earn LEED points. References: LEED Green Associate Candidate Handbook, U.S.
Green Building Council resources
NEW QUESTION # 168
Installing which of the following will increase the quantity of the rainwater that is discharged from a site?
- A. Vegetated roof
- B. Bioswales and ram gardens with native plants
- C. Porous pavers for parking lots
- D. Concrete sidewalks and parking areas
Answer: D
Explanation:
Explanation
Installing concrete sidewalks and parking areas will increase the quantity of the rainwater that is discharged from a site. Rainwater is the water that falls as precipitation on a site. Rainwater discharge is the amount of rainwater that leaves a site as surface runoff or subsurface flow. Rainwater discharge can affect the quantity and quality of water resources downstream by causing erosion, flooding, sedimentation, pollution, and habitat loss. Concrete sidewalks and parking areas are examples of impervious surfaces that prevent rainwater from infiltrating into the soil and increase rainwater discharge by creating more runoff1 . References: LEED v4 Green Associate Candidate Handbook1, EPA's Stormwater Management
NEW QUESTION # 169
An owner of newly acquired land wants to design a building that uses materials that have minimal impact on the environment. Which of the following strategies would help achieve this goal?
- A. Life-cycle assessment
- B. Life-cycle costing
C Simple payback - C. Environmental assessment
Answer: A
Explanation:
Explanation
A life-cycle assessment (LCA) is a strategy that can help an owner of newly acquired land design a building that uses materials that have minimal impact on the environment. An LCA is a method that evaluates the environmental impacts of a product or material over its entire life cycle, from extraction to disposal. An LCA can measure the impacts on various categories, such as energy use, water use, greenhouse gas emissions, resource depletion, and waste generation. An LCA can help compare different products or materials based on their environmental performance and select the ones that have the lowest impact13. References: LEED v4 Green Associate Candidate Handbook1, EPA's Life Cycle Assessment3
NEW QUESTION # 170
Which of the following negative impacts on the environment are a result of waste being transported/diverted to landfills?
- A. Waste is incinerated and used to generate energy
- B. Decreased post-consumer recycled content
- C. Solid waste produces methane and potent greenhouse gas
- D. Increased pre-consumer recycled content
Answer: A
Explanation:
Waste that is transported or diverted to landfills can have negative impacts on the environment, such as occupying valuable land, contaminating soil and water, and emitting harmful gases. One of the most significant impacts is the production of methane, a potent greenhouse gas that contributes to global warming and climate change. Methane is generated when organic waste decomposes anaerobically (without oxygen) in landfills. Methane has a global warming potential 28 times higher than carbon dioxide over a 100-year period12. Reference: LEED v4 Green Associate Candidate Handbook1, EPA's Landfill Methane Outreach Program2
NEW QUESTION # 171
Which of the following project characteristics demonstrate smart growth principles?
- A. The project consists of a sprawling new housing complex 5 mi. (8 km) from the nearest city
- B. The project consists of two adult care facilities, three senior center facilities and one nursing home
- C. The project protects open space and farmland by building housing and offering transportation choices near jobs, shops and schools
- D. The project is built on a former chemical landfill site
Answer: C
Explanation:
Explanation
Smart growth principles aim to create livable, walkable, and sustainable communities that reduce sprawl, preserve natural resources, and enhance quality of life. One of the principles is to foster distinctive, attractive communities with a strong sense of place by mixing land uses, providing a range of housing opportunities and choices, creating walkable neighborhoods, and encouraging community and stakeholder collaboration in development decisions. The project that protects open space and farmland by building housing and offering transportation choices near jobs, shops and schools exemplifies this principle. References: LEED v4 Green Associate Candidate Handbook, Smart Growth Principles
NEW QUESTION # 172
Which of the following is an appropriate usage of U.S. Green Building Council (USGBC) terminology for a LEED project?
- A. LEED Registered, Gold Building
- B. LEED Accredited Building
- C. LEED's certified building
- D. LEED certified building
Answer: D
Explanation:
The term "LEED certified building" is the correct usage according to the U.S. Green Building Council (USGBC). This term indicates that a building has met the standards set by the LEED rating system and has been officially certified by the USGBC. References: LEED Green Associate Candidate Handbook, U.S.
Green Building Council resources
NEW QUESTION # 173
Lighting controls are typically installed in buildings in order to
- A. filter glare produced by overhead fixtures and prevent ultraviolet radiation from reaching building occupants
- B. prevent building occupants from making changes to the light levels
- C. provide a uniform light level across every space in a building
- D. improve occupant comfort and save energy throughout the building
Answer: D
Explanation:
Explanation
Lighting controls are devices or systems that can regulate the amount and quality of light in a space according to various factors, such as user preferences, natural light availability, occupancy, and time of day. By doing so, lighting controls can improve occupant comfort and save energy throughout the building. Lighting controls can enhance the visual comfort, well-being, and productivity of the occupants by providing them with appropriate and adjustable light levels for different tasks and moods. Lighting controls can also reduce the energy consumption and environmental impact of the lighting system by avoiding unnecessary or excessive lighting, which can waste electricity, generate heat, and contribute to greenhouse gas emissions. Lighting controls are an essential component of green building design and certification, such as LEED v4, which has adopted ASHRAE Standard 90.1-2010 as the baseline for energy performance and lighting requirements.
LEED v4 also recognizes and rewards various lighting control strategies, such as automatic shutoff, light-level reduction, daylight harvesting, exterior lighting control, and plug-load control. References: [LEED Link:
Minimum Energy Performance], section "LEED v4 BD+C: Minimum Energy Performance"; [LEED Link:
Lighting Controls], section "LEED v4 BD+C: Lighting Controls"
NEW QUESTION # 174
According to the Indoor Environmental Quality credit category, which of the following is considered an unoccupied space?
- A. Mechanical and electrical rooms
- B. School classroom
- C. Corridor
- D. Restroom
Answer: A
NEW QUESTION # 175
The Montreal Protocol banned the production of
- A. ammonia
- B. HCFCs
- C. freon
- D. CFCs
Answer: D
Explanation:
The Montreal Protocol is an international treaty that aims to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances (ODS). ODS are chemicals that contain chlorine or bromine, which can destroy the ozone molecules in the stratosphere. CFCs, or chlorofluorocarbons, are a group of ODS that were widely used in refrigeration, air conditioning, aerosols, and solvents. The Montreal Protocol banned the production of CFCs in 201012. Freon is a trade name for some CFCs and HCFCs, or hydrochlorofluorocarbons, which are also ODS but less harmful than CFCs. The Montreal Protocol also controls the production of HCFCs, which are being phased out gradually12. Ammonia is not an ODS and is not regulated by the Montreal Protocol1.
Reference:
The Montreal Protocol on Substances That Deplete the Ozone Layer | U.S. Department of State2 Montreal Protocol - Wikipedia1 The Montreal Protocol: fixing the ozone layer and taking climate action - Canada.ca3
NEW QUESTION # 176
Which of the following may be awarded to a Green Building professional who "distinguishes professional leadership, contribution to the standards of practice and body of knowledge and continual improvement in the field"?
- A. LEED for Homes Green Rater
- B. LEED AP
- C. LEED Green Associate
- D. LEED Fellow
Answer: D
Explanation:
Explanation
The LEED Fellow is a distinction awarded by GBCI for LEED APs who have made significant contributions to the field of green building and sustainability at a regional, national or global level. The LEED Fellow designation recognizes exceptional contributions to green building and significant professional achievement within the rapidly growing community of LEED Professionals. References: LEED Green Associate Candidate Handbook, U.S. Green Building Council resources
NEW QUESTION # 177
A retail store is pursuing LEED for Interior Design and Construction certification. Which of the following strategies should be conducted first?
- A. Perform an energy model according to ASHRAE 90.1
- B. Create an energy budget analysis
- C. Conduct a charrette with the project team
- D. Perform a life-cycle analysis
Answer: C
Explanation:
A charrette is an intensive planning session where citizens, designers, and others collaborate on a vision for development. It provides a forum for ideas and offers the unique advantage of giving immediate feedback to the designers. More importantly, it allows everyone who participates to be a mutual author of the plan. This should be conducted first to ensure all stakeholders are aligned on the project goals and strategies before proceeding with detailed analyses or modeling. Reference: LEED Green Associate Candidate Handbook, U.S. Green Building Council resources
NEW QUESTION # 178
Careful selection of which of the following substances helps manage ozone depletion potential and global warming potential?
- A. Fuels
- B. Insulation
- C. Sealants
- D. Refrigerants
Answer: D
Explanation:
LEED states:
"Refrigerants have ozone depletion potential (ODP) and global warming potential (GWP)... Projects should select refrigerants with low values of both." This aligns with the credit "Fundamental Refrigerant Management" in LEED v4.
NEW QUESTION # 179
If a project has achieved 53 points and six of eight prerequisites, for what level of certification does the project qualify?
- A. Certified
- B. None
- C. Gold
- D. Silver
Answer: B
Explanation:
To qualify for any level of LEED certification, a project must meet all the prerequisites and achieve a minimum number of points based on the ratingsystem and the certification level1. The prerequisites are mandatory requirements that must be met before a project can earn any points2. The points are awarded for achieving optional credits that demonstrate environmental performance and innovation2. The LEED rating system consists of five broad categories: Building Design and Construction (BD+C), Interior Designand Construction (ID+C), Building Operations and Maintenance (O+M), Neighborhood Development (ND), and Homes3. Each category has different adaptations for specific project types and scopes, such as Schools, Retail, Hospitality, Data Centers, Warehouses and Distribution Centers, Healthcare, etc3. Each adaptation has a different number of prerequisites and credits, and a different point scale for each certification level4. The certification levels are: Certified, Silver, Gold, and Platinum1. The minimumpoints required for each level vary depending on the rating system and the adaptation, but generally range from 40 to 80 points1.
In this question, the project has achieved 53 points and six of eight prerequisites. This means that the project has failed to meet two prerequisites, which are mandatory requirements. Therefore, the project does not qualify for any level of LEED certification, regardless of the rating system or the adaptation. The answer is A.
None.
=
The 4 Levels of LEED Certification and How to Achieve Them
LEED credits, prerequisites and points: How are they different?
LEED rating system
LEED rating system selection
NEW QUESTION # 180
Which of the following negative impacts on the environment are a result of waste being transported/diverted to landfills?
- A. Waste is incinerated and used to generate energy
- B. Decreased post-consumer recycled content
- C. Solid waste produces methane and potent greenhouse gas
- D. Increased pre-consumer recycled content
Answer: A
Explanation:
Explanation
Waste that is transported or diverted to landfills can have negative impacts on the environment, such as occupying valuable land, contaminating soil and water, and emitting harmful gases. One of the most significant impacts is the production of methane, a potent greenhouse gas that contributes to global warming and climate change. Methane is generated when organic waste decomposes anaerobically (without oxygen) in landfills. Methane has a global warming potential 28 times higher than carbon dioxide over a 100-year period12. References: LEED v4 Green Associate Candidate Handbook1, EPA's Landfill Methane Outreach Program2
NEW QUESTION # 181
What is the scope of the LEED impact category component Protect Human Health from Direct Exposure to Negative Health Impacts?
- A. Building occupants during use and demolition phase of the building cycle, within the project boundary
- B. Occupants and construction crew during construction or renovation phase of the building cycle, within the project boundary
- C. Design and construction crew during the construction phase, within the project boundary and excluding its immediate surroundings
- D. Building occupants and design and construction crew during the construction phase and use phase ol the building cycle, within the project boundary and its immediate surroundings
Answer: D
Explanation:
The scope of the LEED impact category component Protect Human Health from Direct Exposure to Negative Health Impacts is building occupants and design and construction crew during the construction phase and use phase of the building cycle, within the project boundary and its immediate surroundings. This component aims to reduce the exposure of people to harmful substances or conditions that may affect their health and well-being. This includes indoor air quality, thermal comfort, lighting quality, noise levels, water quality, and safety hazards. The component covers both the construction phase and the use phase of the building cycle, as both stages can pose potential health risks to people involved or affected by the project. The component also considers both the project boundary and its immediate surroundings, as some health impacts may extend beyond the site itself. Reference: LEED v4 BD+C Reference Guide, Introduction, page 9
NEW QUESTION # 182
According to the LEED Minimum Program Requirements (MPR) specifying minimum occupancy rates, a project must serve how many occupants?
- A. Five FTEs for six months
- B. One or more Full Time Equivalents (FTEs)
- C. 50% of occupancy based on code
- D. At least two FTEs, no later than SIX months after Commissioning (Cx)
Answer: B
Explanation:
According to the LEED v4 Minimum Program Requirements (MPRs), there is no minimum required number of occupants or full-time equivalents (FTEs) for which a building must be designed to be considered eligible to pursue certification1. However, the project must serve at least one FTE, which is based on an 8-hour day2. The other options are not part of the MPRs.
Reference:
Minimum Program Requirements (MPRs) - U.S. Green Building Council1
LEED 101: MPRs (Minimum Program Requirements)2
NEW QUESTION # 183
What is the term for collecting, reprocessing, marketing and using materials that are diverted or recovered from the solid waste stream?
- A. Recycling
- B. Building material reuse
- C. Salvaged materials
- D. Chain -of-custody
Answer: A
Explanation:
Recycling is the term for collecting, reprocessing, marketing and using materials that are diverted or recovered from the solid waste stream. Recycling is a process that transforms waste materials into new products that can be used for different purposes. Recycling reduces the amount of waste sent to landfills or incinerators, conserves natural resources, saves energy, and reduces greenhouse gas emissions. The LEED Green Associate Candidate Handbook states that one of the intents of the Materials and Resources category is to "reduce waste through recycling during construction and occupancy" [1, p. 15]. Reference: LEED Green Associate Candidate Handbook, [Recycling Basics | U.S. Environmental Protection Agency]
NEW QUESTION # 184
The LEED Pilot credit library plays an important role in the continuous evolution of LEED by
- A. limiting the number of times that a credit category appears in the rating system
- B. providing U.S. Green Building Council (USGBC) with feedback on achievability of proposed credits
- C. achieving the next threshold for exemplary performance
- D. developing new credits for U.S. projects only
Answer: B
Explanation:
The LEED Pilot Credit Library is a collection of new credits that are being tested for potential inclusion in future versions of LEED1. The purpose of the library is to allow projects to experiment with innovative strategies and provide feedback to USGBC on their effectiveness, feasibility, and market readiness2. The library also helps USGBC to respond to evolving environmental issues and stakeholder needs2.
NEW QUESTION # 185
Which LEED strategy creates a smaller footprint and maximizes the floor area ratio?
- A. Increase density
- B. Increase hardscape around building
- C. Increase population
- D. Increase surrounding diversity
Answer: A
Explanation:
Explanation
Increasing density means building more units or floor area on a given site, which reduces the amount of land and resources needed per unit or occupant1. This also creates a smaller footprint and maximizes the floor area ratio (FAR), which is the ratio of the total building floor area to the site area2. Increasing density can help achieve credits in the Location and Transportation category, such as Surrounding Density and Diverse Uses3.
References:
LEED v4: Neighborhood Development Guide | U.S. Green Building Council1
Floor Area Ratio - Planning Department2
LEED v4: Building Design + Construction Guide - U.S. Green Building Council3
NEW QUESTION # 186
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