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| Section | Weight | Objectives |
|---|---|---|
| Industrial Systems | 6–8 | - Compressed air, pumping, and drying systems - Process energy efficiency |
| Building Automation and Controls | 5% | - Control systems and strategies - Building management systems - Automation and optimization |
| HVAC Systems and Building Envelope | 15% | - Load calculation and system selection - Heating, ventilation and air conditioning - Thermal envelope performance |
| Energy Savings Performance Contracting | 5% | - Contract structures and financing - Guaranteed savings and risk allocation |
| Electrical Power Systems and Motors | 15% | - Motor systems, efficiency and controls - Power distribution and quality - Power factor correction and load management |
| Boiler and Steam Systems | 4–6 | - Operation and efficiency - Maintenance and optimization |
| Measurement and Verification | 5% | - M&V protocols and standards - Baseline development and savings calculation |
| Energy Accounting and Economics | 15% | - Energy units and conversions - Time value of money, NPV, IRR, payback analysis - Utility rate structures and tariffs - Life cycle costing and economic analysis |
| Operations, Maintenance and Commissioning | 5% | - Commissioning and retro-commissioning - Maintenance best practices |
| Energy Storage Systems | 3–5 | - Storage technologies and applications - Integration and benefits |
| Codes, Standards and Regulations | 5% | - Compliance and reporting requirements - Sustainability policies and frameworks - Energy efficiency codes and standards |
| Energy Audits and Instrumentation | 10% | - Energy performance indicators - Measurement tools and instrumentation - Audit levels and methodologies - Data collection and analysis |
| Lighting Systems | 10% | - Daylighting integration - Design and control strategies - Lighting technologies and efficiency |
| Distributed Generation and Renewable Energy | 4–6 | - Solar, wind, biomass, geothermal - Combined heat and power (CHP) - Grid integration and economics |
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NEW QUESTION # 116
The primary advantage of predictive maintenance over preventive maintenance in building energy systems, is that predictive maintenance:
SELECT THE CORRECT ANSWER
Answer: D
NEW QUESTION # 117
How can commissioning reduce the life-cycle cost to owners and operators?
Answer: B
Explanation:
1) Life-Cycle Cost Reduction via Commissioning (CEM Guidance)
The AEE CEM Body of Knowledge emphasizes that commissioning reduces total life-cycle cost, not just first cost, through multiple pathways.
2) Evaluation of Each Option
* A. Reduce the cost of change orders during construction
* Early detection of design and coordination issues reduces rework.
* B. Improve the performance of energy systems
* Ensures systems operate at intended efficiency.
* C. Improve the satisfaction of building occupants
* Better comfort reduces complaints and operational disruptions.
* D. Improve the effectiveness of operations and maintenance
* Training and documentation improve long-term reliability and efficiency.
All are documented commissioning benefits in AEE CEM training materials.
NEW QUESTION # 118
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 # 119
An energy-saving project costs $540,000. The project will have maintenance costs of $25,000 per year. The energy savings from the project are $160,000 per year. The project has a life of 10 years with no salvage value. The minimum attractive rate of return (MARR) is 10%. Using end-of-year cash flows, calculate the net- present value (NPV) of the project.
Answer: D
Explanation:
NEW QUESTION # 120
If outside air has a temperature of 30°C dry bulb and 20°C wet bulb, what is the dew point temperature?
Answer: B
NEW QUESTION # 121
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