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AEE CEM Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Electrical Systems | - Motors and drives efficiency - Electrical distribution systems - Power factor correction |
| Topic 2: Measurement and Verification | - Energy savings calculation methods - M&V principles and protocols |
| Topic 3: Energy Accounting and Economics | - Energy cost analysis and tariff structures - Energy budgeting and benchmarking - Life-cycle cost analysis and financial evaluation |
| Topic 4: Lighting Systems | - Lighting efficiency improvement strategies - Lighting technologies and controls |
| Topic 5: Renewable Energy and Sustainability | - Renewable energy integration - Sustainable energy management practices |
| Topic 6: Energy Audits and Management | - Energy audit levels and procedures - Energy management planning - Data collection and analysis methods |
| Topic 7: Mechanical and Thermal Systems | - Boilers, steam systems, and thermal distribution - HVAC systems and optimization - Compressed air systems |
AEE Certified Energy Manager (CEM) Sample Questions:
A 55-kW motor at full load is used to drive a pump that generates 50 meters of head while pumping water at a rate of 5,000 liters per minute. Calculate the pump efficiency.
- A. 62%
- B. 74%
- C. 88%
- D. 58%
Correct Answer: B 🗳️
What is a common cause of poor power quality?
- A. Electronic equipment, such as personal computers
- B. Natural gas turbine power generation by utilities
- C. Incandescent lighting
- D. Partially loaded induction motors
- E. Synchronous motors
Correct Answer: A 🗳️
Which electric rate tariff would best cost justify a thermal energy storage (TES) system?
- A. Great differential between high season and low season demand rates
- B. Great differential between off-peak and on-peak time-of-use electricity rates
- C. Low electricity rate and low peak-demand rate
- D. High electricity rate and low peak-demand rate
- E. Great differential between high season and low season electricity rates
Correct Answer: B 🗳️
A new energy-efficient boiler costs $60,890 to buy and install. The new energy-efficient boiler will save
$15,400 per year and last for 20 years. What is the internal rate of return (IRR) of the project?
- A. 10%
- B. 15%
- C. 30%
- D. 25%
- E. 20%
Correct Answer: E 🗳️
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. No measureable change in energy use
- B. Decrease energy use by 7.6%
- C. Decrease energy use by 3.8%
- D. Increase energy use by 3.8%
- E. Increase energy use by 7.6%
Correct Answer: B 🗳️
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