Pass your actual test at first attempt with AEE CEM training material
Last Updated: Sep 15, 2026
No. of Questions: 146 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Operations, Maintenance and Commissioning | 5% | - Maintenance best practices - Commissioning and retro-commissioning |
| Industrial Systems | 6–8 | - Compressed air, pumping, and drying systems - Process energy efficiency |
| Energy Audits and Instrumentation | 10% | - Measurement tools and instrumentation - Energy performance indicators - Audit levels and methodologies - Data collection and analysis |
| Energy Savings Performance Contracting | 5% | - Guaranteed savings and risk allocation - Contract structures and financing |
| Distributed Generation and Renewable Energy | 4–6 | - Grid integration and economics - Combined heat and power (CHP) - Solar, wind, biomass, geothermal |
| Lighting Systems | 10% | - Design and control strategies - Lighting technologies and efficiency - Daylighting integration |
| Energy Accounting and Economics | 15% | - Utility rate structures and tariffs - Energy units and conversions - Life cycle costing and economic analysis - Time value of money, NPV, IRR, payback analysis |
| Building Automation and Controls | 5% | - Automation and optimization - Building management systems - Control systems and strategies |
| Energy Storage Systems | 3–5 | - Integration and benefits - Storage technologies and applications |
| HVAC Systems and Building Envelope | 15% | - Heating, ventilation and air conditioning - Load calculation and system selection - Thermal envelope performance |
| Measurement and Verification | 5% | - Baseline development and savings calculation - M&V protocols and standards |
| Codes, Standards and Regulations | 5% | - Sustainability policies and frameworks - Compliance and reporting requirements - Energy efficiency codes and standards |
| Boiler and Steam Systems | 4–6 | - Maintenance and optimization - Operation and efficiency |
| Electrical Power Systems and Motors | 15% | - Power factor correction and load management - Motor systems, efficiency and controls - Power distribution and quality |
A facility owner is considering installing a new chiller. The installed project cost will be $300,000. The annual savings from the energy-saving project will be $45,000 for the 20-year life of the chiller. If an energy- service company requires a minimum 20% return on investment (pre-tax), will the energy-service company agree to finance this project?
Correct Answer: B 🗳️
In a warehouse, lights are mounted 4 meters above the floor. This provides an average light level of 150 lux.
To increase the light level without installing more lights or higher Wattage lights, you lower the light fixtures with pendants so that the lights are located 3.25 meters above the floor. Calculate the new average light level on the floor.
Correct Answer: E 🗳️
Which of the following is a closed-loop controller?
Correct Answer: D 🗳️
You can buy air compressor A for $15,000 or air compressor B for $6,000. Compressor A will cost $10,000 per year to operate. Compressor B will cost $11,500 per year to operate. If both air compressors have a 10- year life and your required return on investment is 12%, which air compressor has the lowest total life-cycle cost?
Correct Answer: A 🗳️
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
Correct Answer: B 🗳️
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