Which of the following is an environmentally friendly technology for controlling erosion?
Correct Answer: A
The correct answer is A because mulching is an environmentally friendly technology for controlling erosion, as stated in the web search results12. Mulching involves applying organic or inorganic materials on the soil surface to protect it from water and wind erosion.Mulching can also conserve soil moisture, moderate soil temperature, and enhance soil fertility2. The other options are incorrect because they either do not control erosion effectively or cause environmental harm. References: = * Environment-Friendly Erosion and Dust Control Solutions | GRT, Environmentally friendly erosion and dust control solutions section * 15 Wonderful Methods to Control Erosion | Earth Eclipse, Applying Mulches section Mulching is an environmentally friendly technique used to control erosion by providing a protective layer on the soil surface. This layer helps to reduce the impact of raindrops on the soil, thereby decreasing the potential for soil erosion. Mulch can be made from a variety of organic materials, such as shredded bark, straw, or compost, which not only protect the soil from erosion but also add nutrients as they decompose, improve soil structure, and encourage healthy plant growth. Unlike impermeable solutions like asphalt or temporary solutions like tarpaulin, mulching integrates with the natural environment and supports sustainable land management practices.
Question 42
What is the allowed maximum tenant space exclusion for Energy and Atmosphere Prerequisite, Minimum Energy Performance?
Correct Answer: B
The LEED AP Operations + Maintenance (LEED AP O+M) V4.1 guide specifies that for the Energy and Atmosphere Prerequisite, Minimum Energy Performance, the allowed maximum tenant space exclusion is 10% of the gross floor area. This means that when calculating energy performance, up to 10% of the total floor area of the building can be excluded. This could be due to various reasons such as spaces being unoccupied or not in use. References: = LEED v4: Building Operations + Maintenance Guide, LEED v4: Building Design + Construction Guide, Minimum Energy Performance Calculator - ASHRAE 90.1 - 2010, LEED v4 energy update - U.S. Green Building Council The Energy and Atmosphere Prerequisite, Minimum Energy Performance, allows for certain exclusions to accommodate diverse building types and uses. One such provision permits the exclusion of up to 10% of the gross floor area (GFA) from the energy performance calculations. This allowance is designed to provide flexibility for spaces that may not be fully occupied or operational during the performance period, such as tenant spaces undergoing renovation or spaces with atypical energy usage. By excluding a limited portion of the GFA, the prerequisite acknowledges the variability in building occupancy and use, ensuring that the energy performance assessment is both fair and representative of the building's typical operations. References: * The allowance for excluding up to 10% of the gross floor area from the energy performance calculations is detailed in the LEED for Building Operations and Maintenance reference guide, specifically under the Energy and Atmosphere Prerequisite, Minimum Energy Performance. This guideline is part of the LEED AP O+M trainingmaterials, which emphasize the importance of accommodating diverse building uses and occupancy levels in the pursuit of sustainable building operations.
Question 43
Which of the following is a feature of the ENERGY STAR Portfolio Manager?
Correct Answer: C
The ENERGY STAR Portfolio Manager is a tool that helps measure and track the energy and water use, waste and materials, and greenhouse gas emissions of buildings. One of its features is that it requires the calculation and input of site energy usage. This is essential for assessing the whole building energy performance and tracking changes in energy over time12. References: * ENERGY STAR Portfolio Manager * An Overview of Portfolio Manager - ENERGY STAR
Question 44
A standard reference when creating an indoor air quality management program is
Correct Answer: B
Question 45
Which of the following is an allowable method to increase cooling tower cycles of concentration?
Correct Answer: C
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.
