(PDF) USGBC LEED LEED-AP-O-M Exam and Certification Test Engine
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NEW QUESTION # 20
A tenant is moving into a new space in an existing building. They will fit out this new space and are considering LEED Certification. The tenant is projecting that 80% of the space will be used as office space.
They will also have 10% of the space serving as a data center supporting the office. The remaining 10% will be used as a store showcasing and selling their consumer products for direct purchase to the general public.
According to the Rating System Selection
Guidance, which rating system would be most applicable for this project?
- A. LEED Operations and Maintenance: Retail
- B. LEED Building Design and Construction: Data Centers
- C. LEED Interior Design and Construction: Retail
- D. LEED Interior Design and Construction: Commercial Interiors
Answer: D
Explanation:
The LEED Interior Design and Construction: Commercial Interiors rating system is the most appropriate for this project. This rating system is designed for tenants leasing a portion of a larger building who want to design and construct their space to high performance standards1. The tenant's project involves fitting out a new space in an existing building, with the majority (80%) of the space being used as office space. Although there are components of retail and data center use, these do not constitute the majority of the space use.
Therefore, the Commercial Interiors rating system, which is intended for office spaces and other commercial spaces, would be the most applicable.
References:
* LEED v4: Building Operations + Maintenance Guide
* LEED rating system selection guidance
* Guide to the LEED AP Operations and Maintenance (O+M) Exam
NEW QUESTION # 21
An urban office building project is installing a cooling tower. To save on potable water, the project would like to use a non-potable water source to provide 20% of the cooling tower makeup water to achieve the maximum number of points under Water Efficiency Credit, Cooling Tower Water Use. Which non-potable water source would be the most appropriate for use?
- A. Municipally supplied tap water
- B. Ground source stormwater runoff
- C. Air conditioner condensate
- D. Graywater from the building's hand-washing sinks
Answer: C
Explanation:
Air conditioner condensate is considered a non-potable water source that can be used for cooling towers. This is because air conditioner condensate is essentially distilled water, which is produced as a by-product of the air conditioning process. It is free from most impurities found in other water sources, making it an ideal choice for use in cooling towers. Using this source not only conserves potable water but also reduces the load on municipal water supplies.
References: LEED v4: Building Operations + Maintenance Guide1, LEED AP with specialty | U.S. Green Building Council2, LEED v4.1 Fact Sheet - BuildingGreen3, LEED v4.1 OPERATIONS AND MAINTENANCE - GreenCE4, Guide to the LEED AP Operations and Maintenance (O+M) Exam5.
NEW QUESTION # 22
Storage locations are required for which of the following recyclable materials?
- A. Mixed paper, batteries, glass, plastics and electronics
- B. Mixed paper, paint, glass, plastics and electronics
- C. Mixed paper, corrugated cardboard, wood pallets, plastics and metals
- D. Mixed paper, corrugated cardboard, glass, plastics and metals
Answer: D
Explanation:
This is the correct answer because LEED v4.1 O+M requires projects to provide storage locations for at least five of the following recyclable materials: mixed paper, corrugated cardboard, glass, plastics, metals, batteries, mercury-containing lamps, and electronic waste. Option D lists five of these materials, while the other options include materials that are not required by LEED, such as paint, wood pallets, or electronics.
References:
*LEED v4.1 O+M Reference Guide, p. 1211
*LEED v4.1 O+M Guide, p. 92
NEW QUESTION # 23
An Indoor Environmental Quality policy for facility maintenance and renovation activities under Materials and Resources Prerequisite, Facility Maintenance and Renovations Policy must follow the recommended
- A. control measures of the Sheet Metal and Air Conditioning National Contractors Association (SMACNA) Indoor
- B. procedures in Indoor Environmental Quality Green Cleaning Policy, In-house Green Cleaning Policy thermal comfort strategies in American Society of Heating Refrigerating and Air Conditioning Engineers (ASHRAE) 55-2010
- C. direct exhaust airflow measurement strategy using devices capable of measuring the exhaust airflow meeting fresh air requirements
- D. Environmental Quality Guidelines for Occupied Buildings Under Construction
Answer: D
Explanation:
The LEED AP O+M V4.1 requires that an Indoor Environmental Quality policy for facility maintenance and renovation activities must adhere to the control measures outlined by SMACNA. These guidelines are designed to protect the indoor environmental quality during construction and renovation projects.
References: The LEED v4.1 O+M reference guide specifies the adoption of SMACNA's guidelines for maintaining indoor environmental quality during facility maintenance and renovations123.
NEW QUESTION # 24
A LEED AP performs several on-site reviews for LEED compliance and encounters the followingscenarios.
Which scenario requires the installation of additional meters to comply with Energy and Atmosphere Prerequisite, Building-Level Energy Metering?
- A. A building plus its addition whose electricity and natural gas usage is being measured by the original building's meters
- B. A school whose electricity usage is being measured and invoiced by the local electrical utility
- C. A building that shares its chilled water usage with other buildings on a campus and whose chilled water consumption is measured at the campus level
- D. A data center that receives electricity from a campus plant and whose meters are located at the electrical service entrances
Answer: C
Explanation:
For a building that shares chilled water usage with other buildings on a campus, if the chilled water consumption is only measured at the campus level, additional meters would be required to comply with the Energy and Atmosphere Prerequisite for Building-Level Energy Metering. Individual metering at the building level is necessary to accurately track and manage the building's specific energy consumption, enabling targeted energy efficiency measures and compliance with LEED requirements.References:The Energy and Atmosphere section of the LEED O+M Reference Guide outlines the requirements for building-level energy metering, including the need for individual metering of significant energy uses such as chilled water in shared systems.
NEW QUESTION # 25
For Energy and Atmosphere Credit, Advanced Energy Metering, which individual end uses are required to be metered?
- A. Those that represent at least 20% of the total annual consumption of the building minus plug load use
- B. Those that represent at least 15% of the total annual consumption of the building minus plug load use
- C. Those that represent at least 10% of the total annual consumption of the building minus plug load use
- D. Those that represent at least 25% of the total annual consumption of the building minus plug load use
Answer: A
NEW QUESTION # 26
A manufacturing plant is increasing units produced and the number of employees annually. The building is documenting compliance with Energy and Atmosphere Prerequisite, Minimum Energy Performance, Case 2, Option 1. Path 2 Benchmark Against Typical Buildings Using Comparables. Which of the following should be used to normalize the building's energy use?
- A. Relative production
- B. Number of parking spaces
- C. Area (ft2 or m2)
- D. Gal. (I) of water used
Answer: A
Explanation:
When documenting compliance with Energy and Atmosphere Prerequisite, Minimum Energy Performance, for a manufacturing plant that is increasing units produced and the number of employees annually, it's crucial to use a normalization metric that accurately reflects the building's energy use in relation to its operational output.
Relative production is the most suitable metric in this scenario as it accounts for the output or productivity level of the manufacturing plant, providing a fair and representative measure of energy performance as production scales.
Normalization against relative production allows for an equitable comparison of energy use as it adjusts for changes in production levels or operational intensity, ensuring that the energy performance metric reflects actual efficiency improvements or declines.
References:The approach to normalize energy use by relative production aligns with the guidelines and methodologies outlined in the LEED v4 and v4.1 for Building Operations and Maintenance (O+M) reference guide, specifically under the Energy and Atmosphere category. This document details how projects should account for variations in operational parameters that affect energy consumption to ensure accurate benchmarking and performance assessment.
NEW QUESTION # 27
Which of the following strategies is allowed under Energy and Atmosphere Credit, Renewable Energy and Carbon Offsets, and will help a project achieve Energy and Atmosphere Credit, Optimize Energy Performance?
- A. Install an on-site photovoltaic array
- B. Purchase Green-e certified Renewable Energy Certificates (RECs)
- C. Purchase Green-e certified carbon offsets
- D. Install an on-site geothermal energy with a ground-source heat pump
Answer: A
Explanation:
The correct answer is A because installing an on-site photovoltaic array is a strategy that is allowed under Energy and Atmosphere Credit, Renewable Energy and Carbon Offsets, and will help a project achieve Energy and Atmosphere Credit, Optimize Energy Performance, as stated in the LEED v4.1 O+M Reference Guide1.An on-site photovoltaic array can generate renewable energy for the project and reduce itsgreenhouse gas emissions and energy costs1. The other options are incorrect because they either do not help the project achieve Energy and Atmosphere Credit, Optimize Energy Performance, or are not allowed by the credit requirements.
References: =
* LEED v4.1 O+M Reference Guide, page 145
* Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 90
* LEED v4 AP O+M Mock Exam, page 87 =========================================
NEW QUESTION # 28
Which of the following is an allowable method to increase cooling tower cycles of concentration?
- A. Reduce confing tower run-hours
- B. Increase treatment levels of potable makeup water
- C. Decrease intervals between cooling tower water testing
- D. Increase quantities of potable makeup water
Answer: B
Explanation:
Increasing the treatment levels of potable makeup water is an allowable method to increase cooling tower cycles of concentration. This is because treating the makeup water can help control the buildup of minerals and other impurities, allowing the system to operate more cycles before requiring blowdown.
References: The LEED v4.1 O+M reference guide and other LEED resources emphasize the importance of water treatment to manage cycles of concentration in cooling towers.Proper treatment helps maintain water quality and efficiency, which is crucial for achieving higher cycles of concentration without causing scale and corrosion problems1.
NEW QUESTION # 29
What credit rewards customers who change their normal consumption patterns in response to the varying price of energy over time?
- A. Energy and Atmosphere Credit, Ongoing Commissioning
- B. Energy and Atmosphere Credit, Demand Response
- C. Energy and Atmosphere Credit, Green Power and Carbon Offsets
- D. Energy and Atmosphere Credit, Advanced Energy Metering
Answer: B
NEW QUESTION # 30
In order to determine the transportation patterns of occupants of a typical office building, a survey requesting data from what period of time should be administered to meet the requirements of the Location and Transportation Credit, Alternative Transportation?
- A. 10 days
- B. Three days
- C. 14 days
- D. Five days
Answer: D
NEW QUESTION # 31
Which of the following parameters need to be continuously monitored for occupied spaces in order to qualify for Indoor Environmental Quality Credit, Thermal Comfort?
- A. Air temperature and energy consumption
- B. Air speed and radiant temperature
- C. Radiant temperature and energy consumption
- D. Air temperature and humidity
Answer: D
Explanation:
The Indoor Environmental Quality Credit for Thermal Comfort under the LEED AP Operations + Maintenance (LEED AP O+M) V4.1 requires continuous monitoring of certain parameters in occupied spaces.
Among the options provided, air temperature and humidity are the parameters that need to be continuously monitored. These parameters are crucial in maintaining a comfortable thermal environment for building occupants.
References: LEED v4: Building Operations + Maintenance Guide, LEED AP with specialty
NEW QUESTION # 32
In densely populated rooms, CO2 monitors must be located a minimum of how many feet (meters) above the floor?
- A. 2 ft. (0.6 m)
- B. 5 ft. (1.5 m)
- C. 3 ft. (0.9 m)
- D. 4 ft. (1.2 m)
Answer: D
Explanation:
In densely populated rooms, CO2 monitors must be located a minimum of 4 feet (1.2 meters) above the floor.
This is to ensure that the monitors are able to accurately measurethe CO2 levels in the breathing zone of the occupants, which can help in maintaining good indoor air quality.
References: LEED v4: Building Operations + Maintenance Guide, LEED certification for existing buildings and spaces.
In rooms that are densely populated, CO2 monitors must be located a minimum of 4 feet (1.2 meters) above the floor. This placement ensures that the monitors can accurately measure the concentration of CO2 in the breathing zone of the occupants, providing reliable data that can be used to assess and control indoor air quality. Proper placement of CO2 monitors is critical for effective ventilation and for maintaining a healthy indoor environment, especially in areas with high occupancy where CO2 levels can rise quickly and impact comfort and well-being.
NEW QUESTION # 33
In which of the following ways can a campus project using a Group Approach comply with Water Efficiency Prerequisite, Building-Level Water Metering?
- A. Meter water use for the entire campus (buildings and the associated grounds) using a single meter
- B. Meter water use for all buildings aggregately with a single meter; outdoor water use for the associated grounds does not need to be metered
- C. Meter water use for each building separately; meter outdoor water use for the associated grounds
- D. Meter water use for all buildings aggregately with a single meter; meter outdoor water use for the associated grounds
Answer: D
NEW QUESTION # 34
The project team of an existing urban site has 4% total vegetated area and desires to increase the percentage to equal or be greater than 5%. Which strategy can the team implement to achieve this goal?
- A. Convert the paved areas of the site to pervious pavement
- B. Convert lawn areas to native plants
- C. Install a vegetated roof system
- D. Mitigate the vegetated area off-site through a land trust
Answer: C
Explanation:
To increase the vegetated area of an existing urban site from 4% to equal or be greater than 5%, one effective strategy is to install a vegetated roof system. This approach not only increases the site's vegetated footprint but also provides additional benefits such as improved stormwater management, increased insulation, and reduction of the urban heat island effect. A vegetated roof system can be implemented on flat or slightly sloped roofs, making it a versatile option for urban environments where ground space may be limited. By converting unused roof space into green space, the project team can meet the goal of increasing the total vegetated area of the site.References:LEED Reference Guide for Green Building Design and Construction,
U.S. Green Building Council.
NEW QUESTION # 35
Cooling tower blowdown is necessary because
- A. too much water in the system is inefficient so its water levels must be lowered
- B. a buildup of dissolved solids increases conductivity which decreases efficiency
- C. cold temperatures can freeze pipes if water is not moved and bleed-off prevents that from happening
- D. excess water treatment chemical levels corrode pipes and bleed-off reduces chemical levels
Answer: B
Explanation:
LEED v4.1 O+M Reference Guide, p.1132: LEED v4 - U.S.Green Building
Council(https://www.usgbc.org/guide/om)3: What is Blowdown Loss in Cooling Towers?(https://deltacooling.com/resources/faqs/what-is-blowdown-loss-in-cooling-towers).
Cooling tower blowdown is a process used to manage water quality in cooling systems. It involves discharging a portion of the water from the system to control the concentration of dissolved solids and minerals, which accumulate due to the continuous evaporation of water. These dissolved solids can increase the water's conductivity, leading to scale formation, corrosion, and biofouling, all of which can significantly decrease the efficiency and lifespan of the cooling system. By performing blowdown, the system maintains the water quality within acceptable limits, ensuring optimal performance and energy efficiency of the cooling tower.
References:
* The need for cooling tower blowdown due to the accumulation of dissolved solids is discussed within the context of water management practices in cooling systems in the LEED AP O+M documentation.
This process is crucial for maintaining system efficiency and is covered under the Water Efficiency category, emphasizing the importance of water management in achieving sustainable building operations.
NEW QUESTION # 36
What public health risk must be balanced with water efficiency and chemical usage in every water treatment program?
- A. Iron poisoning
- B. Botulism
- C. Legionella outbreak
- D. Mold growth
Answer: C
NEW QUESTION # 37
Which of the following best meets requirements of Sustainable Sites Credit, Site Development - Protect or Restore Habitat?
- A. Protecting the habitat of an offsite area of land equal in size to the building site area
- B. Leaving 50% of the site undisturbed
- C. Using native or adaptive vegetation on 20% of the site area
- D. Building a rainwater detention pond and using the water for irrigation
Answer: A
Explanation:
To meet the requirements of the Sustainable Sites Credit, Site Development - Protect or Restore Habitat, a project can protect an offsite area of land that is equal in size to the building site area. This strategy is aimed at compensating for the potential habitat loss and ecological impact caused by the development of the building site. By protecting an equivalent offsite area, the project contributes to the conservation of biodiversity and supports ecological health beyond its immediate location.
References:
* LEED AP O+M Exam Guide, page 63
* Site Development - Protect or Restore Habitat, USGBC
* Site Development - Protect or Restore Habitat, LEEDuser
NEW QUESTION # 38
Which of the following strategies reduces the impact of materials used in building operation and maintenance on indoor air quality?
- A. Use products with low emissions
- B. Comply with ASHRAE 55-2010
- C. Document all emissions
- D. Install VOC sensors
Answer: A
NEW QUESTION # 39
The development of a five-year plan under Sustainable Sites Credit, Site Improvement Plan contributes to the achievement of
- A. the required 3% vegetated site area
- B. Water Efficiency Credit, Cooling Tower; Sustainable Sites Credit, Joint Use of Facilities
- C. the required 100% impervious surfaces
- D. Sustainable Sites Credit, Site Management; Water Efficiency Credit, Outdoor Water Use Reduction
Answer: D
Explanation:
The development of a five-year plan under the Sustainable Sites Credit, Site Improvement Plan, contributes to the achievement of Sustainable Sites Credit, Site Management, and Water Efficiency Credit, Outdoor Water Use Reduction. This plan is designed to guide site improvements that enhance sustainability and reduce water use over time.
References: The LEED v4.1 O+M Guide provides information on the Site Improvement Plan and its role in achieving sustainability goals related to site management and water efficiency123.
The development of a five-year plan under the Sustainable Sites Credit, Site Improvement Plan, contributes significantly to the achievement of Sustainable Sites Credit, Site Management, and Water Efficiency Credit, Outdoor Water Use Reduction. This plan involves strategies for site improvement that include managing the site in a sustainable manner and reducing outdoor water use through efficient landscaping and irrigation practices. The plan's long-term perspective ensures ongoing commitment to sustainability and water efficiency, which are key components of LEED certification.
References:This approach is supported by the LEED AP Operations + Maintenance reference guide, where the importance of a comprehensive site improvement plan is discussed. The guide outlines how such a plan integrates with other LEED credits, reinforcing the interconnectedness of various sustainability strategies within the LEED framework.
NEW QUESTION # 40
A new office building was LEED Gold certified, and the tenants have occupied the space for one month. The property manager would like to certify the building under LEED for Building Operations and Maintenance:
Existing Buildings.
What program requirements apply?
- A. The project is already certified and it is not eligible
- B. The project needs to be occupied for two years prior to pursuing this certification
- C. The project needs to be occupied for one year prior to pursuing this certification
- D. The building is immediately eligible because of the previous certification
Answer: D
Explanation:
A new office building that has been LEED Gold certified and occupied for one month is immediately eligible to certify the building under LEED for Building Operations and Maintenance: Existing Buildings. The previous certification provides a baseline for sustainability performance, allowing the property manager to pursue further certification under the Operations and Maintenance category without any mandatory waiting period.References:LEED v5 O+M: Existing Buildings beta version
NEW QUESTION # 41
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