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AEE CEM Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Energy Audits and Instrumentation | 10% | - Measurement tools and instrumentation - Energy performance indicators - Audit levels and methodologies - Data collection and analysis |
| Industrial Systems | 6–8 | - Process energy efficiency - Compressed air, pumping, and drying systems |
| Distributed Generation and Renewable Energy | 4–6 | - Combined heat and power (CHP) - Solar, wind, biomass, geothermal - Grid integration and economics |
| Lighting Systems | 10% | - Lighting technologies and efficiency - Daylighting integration - Design and control strategies |
| Codes, Standards and Regulations | 5% | - Compliance and reporting requirements - Energy efficiency codes and standards - Sustainability policies and frameworks |
| Electrical Power Systems and Motors | 15% | - Power distribution and quality - Motor systems, efficiency and controls - Power factor correction and load management |
| Boiler and Steam Systems | 4–6 | - Maintenance and optimization - Operation and efficiency |
| Energy Savings Performance Contracting | 5% | - Contract structures and financing - Guaranteed savings and risk allocation |
| Building Automation and Controls | 5% | - Building management systems - Control systems and strategies - Automation and optimization |
| Measurement and Verification | 5% | - M&V protocols and standards - Baseline development and savings calculation |
| Energy Storage Systems | 3–5 | - Integration and benefits - Storage technologies and applications |
| 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 |
| Operations, Maintenance and Commissioning | 5% | - Commissioning and retro-commissioning - Maintenance best practices |
| HVAC Systems and Building Envelope | 15% | - Heating, ventilation and air conditioning - Thermal envelope performance - Load calculation and system selection |
AEE Certified Energy Manager (CEM) Sample Questions:
Question 1
A high-pressure steam system passes 180°C condensate (saturated liquid) through a steam trap to an atmospherically vented condensate receiver tank. If the steam trap is working properly, how much of the condensate mass can be lost out the vent of the receiver tank in the form of flash steam?
A. 66%
B. 25%
C. 6%
D. 15%
E. 100%
Question 2
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
A. 6°C
B. 4°C
C. 10°C
D. 8°C
Question 3
What does a manometer measure?
A. Voltage
B. Pressure
C. Volume
D. Distance
Question 4
Which of the following steam turbines will likely not provide steam output at a useable temperature for industrial processes?
A. Answers A and B
B. Extraction turbine
C. Back-pressure turbine
D. Condensing turbine
Question 5
The temperature in an unconditioned mechanical room is found to typically be around 23°C warmer than ambient air. If the air intake of an air compressor located in the mechanical room is routed through a nearby wall so that ambient air is fed directly to the air compressor's intake, what impact can be expected on the air compressor's energy requirement?
A. Decrease energy use by 3.8%
B. Increase energy use by 7.6%
C. No measureable change in energy use
D. Decrease energy use by 7.6%
E. Increase energy use by 3.8%
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: B | Question 4 Answer: D | Question 5 Answer: D |
