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AEE CEM Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Electric Power Systems | 10-15% | - Power distribution systems - Motors and drives - Lighting systems and controls - Power factor correction - Standby power systems - Harmonics and power quality |
| Topic 2: Energy Project Implementation | 8-12% | - Project financing models - Energy service companies (ESCOs) - Project risk management - Measurement and verification (M&V) - Performance contracting (ESPC) - Implementation strategies |
| Topic 3: Facilities Management | 8-12% | - Operations and maintenance best practices - Building automation systems (BAS) - Monitoring and targeting (M&T) - Commissioning and re-commissioning - Preventive maintenance programs |
| Topic 4: Environmental and Regulatory Compliance | 5-10% | - Sustainability reporting - Carbon footprint calculation - Green building standards (LEED, ENERGY STAR) - EPA regulations (Clean Air Act, Clean Water Act) - Energy reporting requirements |
| Topic 5: Energy Auditing | 15-20% | - Audit procedures and methodologies - Audit report writing - Metering and measurement equipment - Types of energy audits (preliminary, detailed, investment-grade) - Data collection and analysis - Baseline establishment |
| Topic 6: Building Envelope | 8-12% | - Insulation types and R-values - Daylighting and shading - Thermal envelope analysis - Air leakage and infiltration - Windows and glazing systems |
| Topic 7: Heating, Ventilating, and Air Conditioning (HVAC) | 12-18% | - Load calculations - Psychrometrics - Indoor air quality - Heat transfer principles - HVAC system types and components - Controls and optimization - Equipment efficiency ratings |
| Topic 8: Renewable Energy Technologies | 8-12% | - Solar thermal systems - Energy storage technologies - Solar photovoltaic systems - Wind energy systems - Biomass and bioenergy - Geothermal systems |
| Topic 9: Energy Accounting and Economics | 10-15% | - Life cycle cost analysis (LCCA) - Utility rate structures and tariffs - Energy cost accounting and allocation - Financial analysis techniques (ROI, NPV, IRR) - Energy price forecasting |
AEE Certified Energy Manager (CEM) Sample Questions:
1. A 75-kW induction motor operates at 80% partial load and 88% efficiency. A new high-efficiency 75-kW motor can be installed that will operate at 95% efficiency (also at 80% partial load). What is the reduction in electric power demand?
A) 2 kW
B) 8 kW
C) 5 kW
D) 1 kW
E) 4 kW
2. How much fuel is required to heat 50 kg water from 20°C water to 200°C saturated steam? Assume the boiler is 80% efficient (based on the higher-heating value of the fuel).
A) 169.3 MJ
B) 127.2 MJ
C) 210.5 MJ
D) 511.2 MJ
3. An air-conditioning system at full load is rated at 70-kW (thermal cooling) and has a coefficient of performance (COP) of 4.1. What is the electrical load at full load?
A) 17.1 kW
B) 23.3 kW
C) 35.0 kW
D) 70.0 kW
E) 46.7 kW
4. Which of the following is a closed-loop controller?
A) Manual dimmer for a light switch
B) Thermostat for an air conditioning unit
C) Time clock schedule controller
D) Accelerator pedal in an automobile
5. A 100-kW electrical load has a power factor of 75%. What capacitance, in KVAR, will improve the power factor to 95%?
A) 25.3 kVAR
B) 33.1 kVAR
C) 55.3 kVAR
D) 45.2 kVAR
E) 15.7 kVAR
Solutions:
| Question # 1 Answer: E | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: A |
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