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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Building Envelope | 8-12% | - Insulation types and R-values - Daylighting and shading - Windows and glazing systems - Thermal envelope analysis - Air leakage and infiltration |
| Topic 2: Electric Power Systems | 10-15% | - Lighting systems and controls - Motors and drives - Harmonics and power quality - Power factor correction - Standby power systems - Power distribution systems |
| Topic 3: Energy Accounting and Economics | 10-15% | - Energy price forecasting - Life cycle cost analysis (LCCA) - Utility rate structures and tariffs - Energy cost accounting and allocation - Financial analysis techniques (ROI, NPV, IRR) |
| Topic 4: Energy Auditing | 15-20% | - Metering and measurement equipment - Audit procedures and methodologies - Audit report writing - Data collection and analysis - Baseline establishment - Types of energy audits (preliminary, detailed, investment-grade) |
| Topic 5: Heating, Ventilating, and Air Conditioning (HVAC) | 12-18% | - Equipment efficiency ratings - HVAC system types and components - Indoor air quality - Load calculations - Psychrometrics - Heat transfer principles - Controls and optimization |
| Topic 6: Energy Project Implementation | 8-12% | - Project financing models - Implementation strategies - Energy service companies (ESCOs) - Performance contracting (ESPC) - Measurement and verification (M&V) - Project risk management |
| Topic 7: Environmental and Regulatory Compliance | 5-10% | - Sustainability reporting - Green building standards (LEED, ENERGY STAR) - Energy reporting requirements - EPA regulations (Clean Air Act, Clean Water Act) - Carbon footprint calculation |
| Topic 8: Renewable Energy Technologies | 8-12% | - Geothermal systems - Solar photovoltaic systems - Energy storage technologies - Solar thermal systems - Biomass and bioenergy - Wind energy systems |
| Topic 9: Facilities Management | 8-12% | - Commissioning and re-commissioning - Operations and maintenance best practices - Monitoring and targeting (M&T) - Preventive maintenance programs - Building automation systems (BAS) |
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NEW QUESTION # 26
According to ISO 50001. when performing internal audits on the energy management system in an organization the internal auditor should do which of the following?
SELECT THE CORRECT ANSWER
Answer: C
Explanation:
When conducting internal audits of an Energy Management System (EnMS) in accordance with ISO 50001, auditors are expected to perform several key activities to ensure the system's effectiveness and continual improvement. These activities include:
* Focus on Areas of Significant Energy Use:Auditors should prioritize auditing areas that have substantial energy consumption, as improvements in these areas can lead to significant energy performance enhancements.
* Review Written Procedures Related to the Area Under Audit:A thorough examination of documented procedures ensures that they align with ISO 50001 requirements and organizational practices. This review helps in identifying any discrepancies between documented procedures and actual practices.
* Assess Actual Activities Against Written Procedures:Auditors compare on-ground activities with documented procedures to verify compliance and identify deviations. This assessment ensures that operations are performed as intended and in line with established protocols.
* Look for Opportunities for Energy Improvement and Minimize Bureaucracy:Identifying opportunities for enhancing energy performance is a core objective of the audit.Auditors should also aim to streamline the EnMS by reducing unnecessary complexities, thereby making it more efficient and user-friendly.
By encompassing all these activities, internal auditors ensure a comprehensive evaluation of the EnMS, leading to effective energy management and continual improvement. Therefore, the correct answer is E. All of the above.
NEW QUESTION # 27
A facility has the thermal cooling load profile shown in the table below. The utility rate traffic has an no-peak time-of-use period that begins at 10:00 a.m ends at 7:00 p.m. What chiller capacity (output) is required for a load-leveling operating strategy?
[Question from the previous image, which was about chiller capacity for load leveling, but the table was missing]
Answer: C
Explanation:
Comprehensive Detailed Step by Step Explanation with all AEE Energy Manager (CEM) References
* Interpret the load profile (hourly cooling energy):The table gives the facility cooling load in GJ per hour interval (so numerically it's an hourly rate for each hour).
* Compute the total daily cooling energy (sum of 24 hourly loads):
* 12:00 a.m.-6:00 a.m.: 6 hr × 2 = 12 GJ
* 6:00-7:00 a.m.: 4 # 16 GJ
* 7:00-8:00 a.m.: 4 # 20 GJ
* 8:00-9:00 a.m.: 4 # 24 GJ
* 9:00-10:00 a.m.: 6 # 30 GJ
* 10:00-11:00 a.m.: 6 # 36 GJ
* 11:00 a.m.-12:00 p.m.: 8 # 44 GJ
* 12:00-1:00 p.m.: 8 # 52 GJ
* 1:00-2:00 p.m.: 9 # 61 GJ
* 2:00-3:00 p.m.: 9 # 70 GJ
* 3:00-4:00 p.m.: 9 # 79 GJ
* 4:00-5:00 p.m.: 9 # 88 GJ
* 5:00-6:00 p.m.: 8 # 96 GJ
* 6:00-7:00 p.m.: 6 # 102 GJ
* 7:00-8:00 p.m.: 6 # 108 GJ
* 8:00-9:00 p.m.: 4 # 112 GJ
* 9:00-10:00 p.m.: 4 # 116 GJ
* 10:00-11:00 p.m.: 2 # 118 GJ
* 11:00 p.m.-12:00 a.m.: 2 # 120 GJ total per day
So, Total daily cooling energy = 120 GJ.
* Apply the CEM "load-leveling" operating strategy sizing rule:In the AEE CEM Thermal Storage training material, Load Leveling is described as operating the chiller at a constant (or near constant) load for 24 hours per day, and the "load leveling chiller load calculations" are based on Total energy
/ Hours available to operate chillers-for load leveling, that operating window is 24 hours. portal.
aeecenter.org
Therefore:
* Why the "no-peak 10 a.m.-7 p.m." detail doesn't change the load-leveling answer:That time window is typically used when a strategy restricts chiller operation to certain hours (e.g., full load shifting). But load leveling, per the CEM training description, is the strategy where the chiller runs all day at (near) constant load, using storage to absorb the difference between constant production and variable building load
NEW QUESTION # 28
Which of the following is NOT a renewable-energy resource?
SELECT THE CORRECT ANSWER
Answer: D
Explanation:
Renewable energy resources are naturally replenished on a human timescale. Let's evaluate each option:
A:Saw grass:A biomass resource, renewable through regrowth.
B:Shale gas:A fossil fuel extracted from shale formations, non-renewable.
C:Geothermal heat:Energy from Earth's internal heat, renewable.
D:Ocean waves:Mechanical energy from ocean surface waves, renewable.
E:Crop residue:Organic materials from agriculture, renewable.
Conclusion:
Shale gas is not a renewable energy resource. Therefore, the correct answer is B.
NEW QUESTION # 29
Which of the following is NOT a typical benefit of performance contracting from the building owner's perspective?
Answer: B
NEW QUESTION # 30
In an ammonia-water absorption chiller, what material is the refrigerant?
Answer: A
NEW QUESTION # 31
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