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質問 # 79
In densely populated rooms, CO2 monitors must be located a minimum of how many feet (meters) above the floor?
- A. 3 ft. (0.9 m)
- B. 2 ft. (0.6 m)
- C. 5 ft. (1.5 m)
- D. 4 ft. (1.2 m)
正解：D
解説：
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.
質問 # 80
Which of the following best meets requirements of Sustainable Sites Credit, Site Development - Protect or Restore Habitat?
- A. Building a rainwater detention pond and using the water for irrigation
- B. Using native or adaptive vegetation on 20% of the site area
- C. Protecting the habitat of an offsite area of land equal in size to the building site area
- D. Leaving 50% of the site undisturbed
正解：C
解説：
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
質問 # 81
The WaterSense label or local equivalent requirement in Water Efficiency Prerequisite, Indoor Water Use Reduction ensures that eligible newly installed plumbing fixtures will
- A. comply with mandatory federal government regulations
- B. be advertised as LEED compliant
- C. comply with all international plumbing system requirements
- D. be both water efficient and high performing
正解：D
質問 # 82
An equipment upgrade requires an initial investment of $1,500.00 USD with a total annual savings of $500.00 and a 33% rate of return. What is the Simple Payback Period for this improvement?
- A. 120 days
- B. 495 days
- C. Three years
- D. Two years
正解：D
解説：
The Simple Payback Period is the time it takes for an investment to pay for itself through savings. To calculate the Simple Payback Period, divide the initial investment by the annual savings. In this case, $1,500.00 USD divided by $500.00 equals 3. To find the exact payback period, consider the rate of return. With a 33% rate of return, the actual savings per year would be $500.00 plus 33% of $500.00, which equals $665.00. Dividing the initial investment of $1,500.00 by $665.00 gives a payback period of approximately 2.26 years, which is closest to two years.
References:
* The concept of Simple Payback Period is a fundamental financial calculation discussed in the LEED AP O+M documentation. It is part of evaluating the cost-effectiveness of energy and water efficiency
* improvements, particularly under the Energyand Atmosphere and Water Efficiency categories. This metric is commonly used in sustainability projects to assess the viability of efficiency upgrades.
質問 # 83
Which of the following standards is applicable in order to comply with Indoor Environmental Quality Credit, Thermal Comfort?
- A. ASHRAE 52.2-2007
- B. SCAQMD Rule #1113
- C. ASHRAE 55-2010
- D. SCAQMD Rule #1168
正解：C
解説：
ASHRAE 55-2010 is the standard applicable for compliance with the Indoor Environmental Quality Credit, Thermal Comfort. This standard outlines the conditions for acceptable thermal environments and is used for the design, evaluation, and operation of buildings to meet thermal comfort requirements.
References: The LEED v4.1 O+M reference guide specifies that ASHRAE 55-2010 is the standard for thermal comfort, focusing on ensuring quality thermal environments conducive to occupants' comfort and well-being1.
質問 # 84
A building manager has purchased and installed new T8 (fluorescent) lamps throughout the project facility.
All other lamps remained the same. The project building's average picogram per lumen hour decreased. A valid explanation for this change is that
- A. the average life of the new T8 lamps remained the same; however, the mercury content increased
- B. both the average life of the new T8 lamps and the mercury content remained the same
- C. the mercury content of the new T8 lamps remained the same; however, the average life of the bulb increased the mercury content of the new T8 lamps remained the same; however, the average life of the bulb decreased
正解：C
解説：
the mercury content of the new T8 lamps remained the same; however, the average life of the bulb increasedJust Short Explanation: The decrease in the average picogram per lumen hour indicates an improvement in the environmental impact of the lamps. This can happen if the mercury content remains constant while the lifespan of the lamps increases, resulting in less mercury used over time per unit of light produced.
References: The information about T8 lamps indicates that newer models are designed to be energy-efficient with a longer lifespan while maintaining a low mercury content, which would contribute to a lower picogram per lumen hour ratio12.
質問 # 85
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. Gal. (I) of water used
- B. Area (ft2 or m2)
- C. Relative production
- D. Number of parking spaces
正解：C
質問 # 86
The project team has been directed by the building owner to only pursue practices that directly improve the actual building performance. Which of the following would be the lowest cost option?
- A. Purchase renewable energy credits
- B. Provide financial support for off-site conservation
- C. Install new high efficiency urinal flush valves
- D. Install a new high-efficiency chiller
正解：C
解説：
High efficiency urinal flush valves are a cost-effective way to improve building performance. They use less water than standard urinal flush valves, which can lead to significant savings on water bills over time1. This is a direct improvement to the building's performance as it reduces the building's water consumption, which is a key aspect of building performance. Other options like installing a new high-efficiency chiller or purchasing renewable energy credits might have higher upfront costs or may not directly improve the building's performance12.
References:
* Five strategies to improve energy performance in existing buildings
* 5 Common Design Questions for Balancing Sustainability and Cost
質問 # 87
What is the intent of Indoor Environmental Quality Credit, Daylight and Quality Views?
- A. To achieve a daylight factor in all spaces
- B. To achieve direct line of site to vision glazing for all building occupants
- C. To provide lighting controls for regularly occupied spaces
- D. To provide a connection between building occupants and the outdoor environment
正解：D
解説：
The intent of Indoor Environmental Quality Credit, Daylight and Quality Views is D: to provide a connection between building occupants and the outdoor environment1.This credit aims to enhance the well-being, productivity, and satisfaction of building occupants by introducing natural light and views into the regularly occupied spaces2. The other options are incorrect because they either describe different aspects of the credit requirements or are not part of the credit intent.
1:Daylight and Views - Daylight - Chaney Enterprises2:LEED v4.1 O+M Reference Guide, page 249 The intent of the Indoor Environmental Quality Credit, Daylight and Quality Views, is to provide a connection between building occupants and the outdoor environment. This credit emphasizes the importance of natural light and outside views in creating healthy and productive indoor spaces. By ensuring that interior spaces have access to daylight and views of the outdoors, buildings can enhance occupant well-being, reduce the need for artificial lighting, and promote a connection to the natural world. This credit encourages the design and orientation of buildings and interior spaces in a way that maximizes the penetration of natural light and provides clear lines of sight to outdoor environments.
質問 # 88
Under Indoor Environmental Quality Credit, Interior Lighting, outlet powered task lighting contributes towards compliance for what category of building space?
- A. Individual occupant
- B. Mechanical
- C. Exterior
- D. Lavatory
正解：A
解説：
Outlet powered task lighting under the Indoor Environmental Quality Credit, Interior Lighting, contributes towards compliance for individual occupant spaces. This is because task lighting allows individual occupants to control their own lighting levels, which can improve comfort and productivity.
References: LEED v4: Building Operations + Maintenance Guide1, LEED certification for existing buildings and spaces2.
質問 # 89
In order for a project team to meet the requirements of Indoor Environmental Quality Credit, Integrated Pest Management, how much advanced notice to building occupants is needed after the emergency application of a pesticide other than the least toxic pesticide?
- A. 72 hours
- B. 12 hours
- C. 24 hours
- D. 48 hours
正解：C
解説：
The Indoor Environmental Quality Credit for Integrated Pest Management within LEED criteria focuses on minimizing the exposure of building occupants and maintenance personnel to potentially hazardous chemical pesticides. This credit emphasizes the use of non-chemical pest management methods as the primary strategy and advocates for the least toxic chemical interventions as a last resort.
When an emergency situation necessitates the application of a pesticide that is not classified as the least toxic option, LEED guidelines require the project team to inform the building occupants in advance to ensure their safety and well-being. The stipulated advance notice period in such scenarios is 24 hours.
This 24-hour notice period serves multiple purposes:
* Occupant Preparation:It allows occupants to make necessary arrangements to minimize their exposure to the chemicals used, especially for those who might be particularly sensitive or vulnerable.
* Transparency:Providing advance notice upholds the principle of transparency in building management practices, reinforcing trust between the building management and the occupants.
* Safety Measures:It gives the facility management time to implement any additional safety measures or signage to prevent unintended exposure during and immediately after the pesticide application.
* Compliance and Documentation:Meeting this requirement is also crucial for LEED documentation and compliance, showcasing the project team's commitment to maintaining high indoor environmental quality standards.
References:The requirement for a 24-hour notice aligns with the LEED O+M: Existing Buildings v4 and v4.1 reference guide's emphasis on sustainable and occupant-friendly pest management practices. These practices are part of a broader approach to enhance the indoor environmental quality, ensuring that all building stakeholders are informed and protected from potential chemical exposure risks. This approach is detailed in the LEED O+M guide under the Indoor Environmental Quality category, where Integrated Pest Management strategies are discussed, emphasizing least toxic methods and occupant safety.
質問 # 90
When sampling a population in a multi-tenant building, how can the transportation surveys be distributed to meet Location and Transportation Credit, Alternative Transportation, Option 1. Transportation Survey?
- A. Distribute the total number of surveys across all tenants evenly
- B. Distribute the total number of surveys across all tenants proportionately, according to their regularly occupiedArea
- C. Distribute the total number of surveys across all tenants proportionately, according to their gross floor area
- D. Distribute the total number of surveys across all tenants proportionately, according to their populations
正解：D
解説：
The correct answer is B because the transportation surveys must be distributed across all tenants proportionately, according to their populations, as stated in the LEED v4.1 O+M Reference Guide1. This ensures that the survey results are representative of the actual transportation patterns of the building occupants and avoids sampling bias. The other options are incorrect because they either do not account for the population size of each tenant or are not relevant for the survey distribution.
References: =
* LEED v4.1 O+M Reference Guide, page 123
* Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 83
* LEED v4 AP O+M Mock Exam, page 89 =========================================
質問 # 91
How can a building owner promote both energy efficiency and thermal comfort in a building?
- A. Provide occupants with individual space heaters in the winter
- B. Survey occupants about their comfort on a regular basis
- C. Ask the cleaning contractor to turn off all of the lights after cleaning
- D. Institute a flexible dress code that permits seasonally appropriate clothing
正解：D
解説：
To promote both energy efficiency and thermal comfort in a building, instituting a flexible dress code that permits seasonally appropriate clothing is an effective strategy. This approach allows occupants to adjust their clothing to suit the indoor temperature, which can lead to more relaxed thermostat settings and reduced energy use for heating or cooling.References:LEED AP Operations + Maintenance Reference Guide, Indoor Environmental Quality section.
質問 # 92
An essential goal of retro commissioning, re-commissioning, or on-going commissioning for a building's energy using systems is to
- A. reduce CFC-based refrigerants in HVAC&R base building systems
- B. execute an energy audit that meets requirements of ASHRAE Level 2
- C. produce a master list of findings related to the commissioning process
- D. identify opportunities for cost-effective reduction in energy consumption
正解：D
質問 # 93
Which of the following prerequisites or credits has a minimum occupancy requirement?
- A. Water Efficiency Prerequisite, Indoor Water Use Reduction
- B. Indoor Environmental Quality Prerequisite, Minimum Indoor Air Quality Performance
- C. Energy and Atmosphere Prerequisite, Minimum Energy Performance
- D. Indoor Environmental Quality Credit, Daylight and Views
正解：B
解説：
The Indoor Environmental Quality Prerequisite for Minimum Indoor Air Quality Performance has a minimum occupancy requirement to ensure that indoor air quality (IAQ) assessments accurately reflect the conditions experienced by building occupants. This prerequisite focuses on achieving acceptable IAQ within the building by meeting or exceeding local codes or ASHRAE standards, ensuring the health and well-being of the occupants.References:The LEED O+M Reference Guide's Indoor Environmental Quality section detailsthe requirements for maintaining minimum IAQ performance, including the importance of considering occupancy levels in IAQ assessments.
質問 # 94
Which of the following topics needs to be addressed by retail project teams when administering the supply chain survey in order to meet the requirements of Materials and Resources, Ongoing Purchasing and Waste Policy, Option 1?
- A. Resources for additional information
- B. Waste reduction and waste management measures
- C. Environmental best practices for supply chain decisions
- D. Materials recovery during manufacturing
正解：B
解説：
The supply chain survey for retail project teams under the LEED AP Operations + Maintenance (LEED AP O+M) V4.1 framework is designed to assess and improve the environmental impact of their operations. One of the key areas that needs to be addressed to meet the requirements of Materials and Resources, Ongoing Purchasing and Waste Policy, Option 1 is waste reduction and waste management measures. This involves evaluating and implementing strategies to reduce waste and improve waste management within the supply chain.
References: LEED v4: Building Operations + Maintenance Guide, LEED AP with specialty, Building Operations & Maintenance - Canada Green Building Council (CAGBC)
質問 # 95
A project team has ended all their performance periods between August 1st and August 31st. When is the latest date that the project team can submit for preliminary review?
- A. September 30th
- B. November 30th
- C. December 30th
- D. October 30th
正解：D
解説：
If a project team ends all their performance periods between August 1st and August 31st, the latest date they can submit for preliminary review is within 60 days of the end of their performance period. Therefore, the latest submission date would be October 30th, given the 60-day timeframe after the end of August.References:04 GA05 Guide to LEED Certification: Commercial and GA06 LEED Fee
質問 # 96
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