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The Excellence in Design for Greater Efficiencies (EDGE Expert) Exam (EDGE-Expert) practice questions have a close resemblance with the actual Excellence in Design for Greater Efficiencies (EDGE Expert) Exam (EDGE-Expert) exam. Our EDGE EDGE-Expert exam dumps give help to give you an idea about the actual Excellence in Design for Greater Efficiencies (EDGE Expert) Exam (EDGE-Expert) exam. You can attempt multiple Excellence in Design for Greater Efficiencies (EDGE Expert) Exam (EDGE-Expert) exam questions on the software to improve your performance.
| Section | Weight | Objectives |
|---|---|---|
| Software & Methodology | 25% | - Baseline & Proposed Building Models
|
| EDGE System Overview | 15% | - EDGE Certification Process
|
| Energy Efficiency | 25% | - Lighting & Hot Water
|
| Water Efficiency & Materials | 25% | - Water Demand
|
| Financial & Results Analysis | 10% | - Results and outputs of EDGE
|
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NEW QUESTION # 48
In the EDGE software, which of the following methodologies is used for energy calculations?
Answer: A
Explanation:
The EDGE software uses a quasi-steady-state calculation methodology for estimating building energy performance. This approach simplifies energy modeling by calculating heat gains and losses based on steady- state assumptions over defined time intervals, rather than performing detailed hour-by-hour simulations. The quasi-steady-state method allows EDGE to provide rapid and consistent energy performance assessments while maintaining sufficient technical accuracy for early design decision-making.
Unlike dynamic simulation models, which require complex input data, specialized software, and detailed operational schedules, the EDGE methodology is designed to be accessible and user-friendly for architects, engineers, and developers in emerging markets. It evaluates energy performance by comparing a baseline case, derived from local climate data and standard building practices, with an improved case reflecting selected energy efficiency measures.
Actual field survey energy data is not used because EDGE is primarily a design-stage predictive tool rather than a post-occupancy measurement system. Similarly, the calculations are not based solely on simplified look-up tables or rules of thumb. The quasi-steady-state model strikes a balance between technical rigor and usability, which is a core principle emphasized in the CBCI EDGE curriculum.
NEW QUESTION # 49
The COP of the water-cooled chiller is 6, and the cooling thermal load is 3516 W. What is the power rating of the chiller?
Answer: C
Explanation:
The Coefficient of Performance (COP) is used in EDGE to calculate the electrical power input required for a given thermal output of a chiller. The EDGE Methodology Report defines COP as: "COP is the ratio of thermal output to electrical input, expressed as COP = Thermal Output / Electrical Input. To find the electrical input (power rating), rearrange the formula: Electrical Input = Thermal Output / COP" (EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics). Given the COP of the water-cooled chiller as 6 and the cooling thermal load (thermal output) as 3516 W, the power rating is calculated as follows: Electrical Input = 3516 W / 6 = 586 W. Option A, 586 W, matches this calculation. Option B (3510 W) is incorrect, as it is slightly less than the thermal output, implying an unrealistic COP near 1. Option C (3522 W) is slightly above the thermal output, also incorrect. Option D (21096 W) is the result of multiplying the thermal output by the COP (3516 ร 6), which is the inverse of the correct calculation. The EDGE User Guide confirms: "For a chiller with a COP of 6, the electrical input is one-sixth of the thermal output, ensuring energy efficiency is accurately assessed" (EDGE User Guide, Section 4.2: Energy Efficiency Measures). Thus, the power rating is
586 W (Option A).
Reference:EDGE Methodology Report Version 2.0, Section 5.1: Energy Efficiency Metrics; EDGE User Guide Version 2.1, Section 4.2: Energy Efficiency Measures.
NEW QUESTION # 50
Which of the following does NOT contribute to an EDGE Auditor maintaining their Auditor status?
Answer: A
Explanation:
Maintaining EDGE Auditor status involves specific requirements to ensure ongoing competence. The EDGE Expert and Auditor Protocols outline these requirements: "To maintain their status, EDGE Auditors must perform at least one project site audit every two years, attend refresher training as required by IFC, and stay updated by studying the EDGE user guides and protocols as they are revised" (EDGE Expert and Auditor Protocols, Section 5.1: Maintaining Auditor Status). Option A (performing at least one project site audit every two years) is explicitly required to demonstrate active engagement. Option B (studying the EDGE user guides as updated) is also necessary to stay current with program changes. Option D (attending refresher training) is mandated to ensure continued education. However, Option C (retaking the auditor exam) is not a requirement for maintaining status: "Once certified, EDGE Auditors are not required to retake the exam to maintain their status, though they may need to retake it if their certification lapses or if significant program changes occur" (EDGE Expert and Auditor Protocols, Section 5.2: Recertification Conditions). Since the question focuses on maintaining status, not recertification after lapse, retaking the exam is not a standard requirement. Thus, retaking the auditor exam (Option C) does not contribute to maintaining Auditor status.
Reference:EDGE Expert and Auditor Protocols, Section 5.1: Maintaining Auditor Status, Section 5.2:
Recertification Conditions.
NEW QUESTION # 51
In an air conditioned building with air cooled chiller, selecting insulation in the roof will influence
Answer: C
Explanation:
According to the CBCI EDGE curriculum, roof insulation directly affects the building's thermal performance by reducing heat transfer through the roof. In an air-conditioned building, particularly in warm climates, the roof is a major source of heat gain. By improving roof insulation, the cooling load is reduced, which lowers the electricity consumption of the air-cooled chiller system. Therefore, roof insulation clearly influences operational energy performance and contributes to energy savings in the EDGE model.
At the same time, insulation materials are accounted for in the materials category of EDGE, which evaluates embodied carbon in building materials. Adding or upgrading roof insulation changes the quantity and type of materials used in the construction, thereby influencing the embodied energy or embodied carbon calculation within the materials assessment.
Because the system described uses an air-cooled chiller, water consumption is not directly linked to the cooling process, unlike water-cooled systems with cooling towers. Therefore, roof insulation does not affect water use in this scenario.
For these reasons, roof insulation influences both energy and materials embodied energy, making option D the correct answer.
NEW QUESTION # 52
Which of the following wall solar reflectivity indexes would be the most energy efficient in a hot climate?
Answer: D
Explanation:
In hot climates, reducing heat gain through building envelopes is a key strategy for energy efficiency, as emphasized in EDGE's green building design principles. The EDGE User Guide discusses solar reflectivity (measured by the Solar Reflectance Index, SRI) for walls and roofs, stating: "Higher SRI values indicate greater reflectivity, which reduces heat absorption and lowers cooling energy demand in hot climates. For walls in hot climates, an SRI of 0.7 or higher is recommended to maximize energy savings" (EDGE User Guide, Section 3.5: Passive Design Strategies). The options provided are 0.2, 0.3, 0.4, and 0.7. Since 0.7 is the highest SRI value among the choices, it reflects the most solar radiation, thereby reducing the cooling load andimproving energy efficiency in a hot climate, as per EDGE's guidance. Options A, B, and C have lower SRI values and would result in greater heat absorption, increasing energy use for cooling.
Reference:EDGE User Guide Version 2.1, Section 3.5: Passive Design Strategies.
NEW QUESTION # 53
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