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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Energy Accounting and Economics | 15% | - Life cycle costing and economic analysis - Time value of money, NPV, IRR, payback analysis - Energy units and conversions - Utility rate structures and tariffs |
| Topic 2: Electrical Power Systems and Motors | 15% | - Power distribution and quality - Power factor correction and load management - Motor systems, efficiency and controls |
| Topic 3: Operations, Maintenance and Commissioning | 5% | - Maintenance best practices - Commissioning and retro-commissioning |
| Topic 4: Codes, Standards and Regulations | 5% | - Energy efficiency codes and standards - Compliance and reporting requirements - Sustainability policies and frameworks |
| Topic 5: Energy Storage Systems | 3โ5 | - Integration and benefits - Storage technologies and applications |
| Topic 6: Industrial Systems | 6โ8 | - Process energy efficiency - Compressed air, pumping, and drying systems |
| Topic 7: Building Automation and Controls | 5% | - Control systems and strategies - Automation and optimization - Building management systems |
| Topic 8: Measurement and Verification | 5% | - Baseline development and savings calculation - M&V protocols and standards |
| Topic 9: Energy Audits and Instrumentation | 10% | - Energy performance indicators - Audit levels and methodologies - Measurement tools and instrumentation - Data collection and analysis |
| Topic 10: Boiler and Steam Systems | 4โ6 | - Operation and efficiency - Maintenance and optimization |
| Topic 11: Distributed Generation and Renewable Energy | 4โ6 | - Solar, wind, biomass, geothermal - Combined heat and power (CHP) - Grid integration and economics |
| Topic 12: Energy Savings Performance Contracting | 5% | - Guaranteed savings and risk allocation - Contract structures and financing |
| Topic 13: Lighting Systems | 10% | - Design and control strategies - Daylighting integration - Lighting technologies and efficiency |
| Topic 14: HVAC Systems and Building Envelope | 15% | - Heating, ventilation and air conditioning - Load calculation and system selection - Thermal envelope performance |
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NEW QUESTION # 74
At the end of a performance contract, who owns the equipment installed by the project?
Answer: D
Explanation:
Under a performance contract, ownership of installed equipment transfers to the facility owner (client) once contractual payments are completed.
CEM guidance emphasizes:
* ESCO guarantees savings
* Owner retains long-term benefits and asset ownership
NEW QUESTION # 75
If a boiler cycles on and off too frequently, what control can you adjust to reduce the number of times a boiler cycles on and off?
Answer: B
NEW QUESTION # 76
How can commissioning reduce the life-cycle cost to owners and operators?
Answer: C
NEW QUESTION # 77
A compressed air system has a total volume of 247,500 liters. During a 30-minute break in production (air compressor system turned off and no production demand for compressed air), the system pressure drops from
7 bar, gauge (700 kPa, gauge) to 5 bar, gauge (500 kPa, gauge). Calculate the leakage rate in the compressed air system.
Answer: A
NEW QUESTION # 78
According to the institute of Electrical and Electronic Engineers (IEEE) standard 519. "Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems." the maximum total harmonic distortion (THD) for general low voltage systems less than 600 votts) should be:
SELECT THE CORRECT ANSWER
Answer: E
Explanation:
The Institute of Electrical and Electronics Engineers (IEEE) Standard 519, titled "Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems," sets forth guidelines to maintain the quality of electrical power by limiting harmonic distortions. According to IEEE 519, for general low-voltage systems (defined as systems with a voltage less than 600 volts), the Total Harmonic Distortion (THD) of the voltage waveform should not exceed 5%. This threshold ensures the reliable operation of electrical equipment and minimizes potential issues such as overheating or malfunctioning caused by excessive harmonics.
Therefore, the correct answer is C. Less than 5%.
NEW QUESTION # 79
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