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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Renewable Energy Technologies | 8-12% | - Solar photovoltaic systems - Energy storage technologies - Biomass and bioenergy - Wind energy systems - Geothermal systems - Solar thermal systems |
| Topic 2: Environmental and Regulatory Compliance | 5-10% | - EPA regulations (Clean Air Act, Clean Water Act) - Carbon footprint calculation - Energy reporting requirements - Green building standards (LEED, ENERGY STAR) - Sustainability reporting |
| Topic 3: Energy Auditing | 15-20% | - Audit procedures and methodologies - Audit report writing - Baseline establishment - Data collection and analysis - Types of energy audits (preliminary, detailed, investment-grade) - Metering and measurement equipment |
| Topic 4: Heating, Ventilating, and Air Conditioning (HVAC) | 12-18% | - Psychrometrics - Load calculations - Equipment efficiency ratings - Heat transfer principles - HVAC system types and components - Indoor air quality - Controls and optimization |
| Topic 5: Electric Power Systems | 10-15% | - Harmonics and power quality - Power factor correction - Lighting systems and controls - Motors and drives - Power distribution systems - Standby power systems |
| Topic 6: Facilities Management | 8-12% | - Building automation systems (BAS) - Monitoring and targeting (M&T) - Operations and maintenance best practices - Commissioning and re-commissioning - Preventive maintenance programs |
| Topic 7: Building Envelope | 8-12% | - Thermal envelope analysis - Air leakage and infiltration - Windows and glazing systems - Daylighting and shading - Insulation types and R-values |
| Topic 8: Energy Accounting and Economics | 10-15% | - Energy price forecasting - Utility rate structures and tariffs - Financial analysis techniques (ROI, NPV, IRR) - Energy cost accounting and allocation - Life cycle cost analysis (LCCA) |
| Topic 9: Energy Project Implementation | 8-12% | - Measurement and verification (M&V) - Energy service companies (ESCOs) - Performance contracting (ESPC) - Project financing models - Project risk management - Implementation strategies |
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NEW QUESTION # 50
In a performance contract, which group has the greatest investment risk?
Answer: C
NEW QUESTION # 51
What is the Energy Use index (EUl) for a 4,000 m2 building that uses the following amounts of energy each year?
Answer: A
Explanation:
NEW QUESTION # 52
When comparing two similar facilities, you see that the facility with newer, higher-efficiency equipment has a higher energy-use index [EUI] (kJ/m²-yr). What might be the cause?
Answer: E
Explanation:
1) CEM Principle: Equipment Efficiency # System Performance
The AEE CEM Body of Knowledge stresses that higher-efficiency equipment does not guarantee lower energy use unless systems are:
* Properly commissioned
* Correctly controlled
* Operated as designed
2) Evaluation of Options
* A. The facility with the higher EUI is in need of commissioning #
* Most common cause per CEM case studies: controls, sequences, and integration not optimized.
* B. The facility with the lower EUI is in need of commissioning #
* Lower EUI indicates better performance.
* C. The facility with the lower EUI requires a performance contract #
* No evidence supports this.
* D. The facility with the higher efficiency equipment should have a higher EUI #
* Contradicts energy efficiency principles.
* E. The facility with the higher EUI requires a SCADA system #
* Monitoring alone does not correct poor performance.
CEM Exam Insight
Commissioning ensures that high-efficiency equipment actually delivers expected energy performance.
NEW QUESTION # 53
A cooling tower delivers water to a chilled-water plant at 21°C. The outside ambient air conditions are 19°C dry bulb, 50% relative humidity. Using the psychrometric chart, what is the approach temperature of the cooling tower outlet water temperature to the ambient air wet-bulb temperature?
SELECT THE CORRECT ANSWER
Answer: D
NEW QUESTION # 54
An office building is illuminated with T8 fluorescent lamps. Which of the following is the best schedule for group relamping (total replacement of all the T8 fluorescent lamps in the building)?
Answer: B
NEW QUESTION # 55
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