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  • Total Questions: 146
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AEE CEM Exam Syllabus Topics:

SectionWeightObjectives
Electrical Power Systems and Motors15%- Motor systems, efficiency and controls
- Power distribution and quality
- Power factor correction and load management
Lighting Systems10%- Daylighting integration
- Design and control strategies
- Lighting technologies and efficiency
Measurement and Verification5%- Baseline development and savings calculation
- M&V protocols and standards
Energy Savings Performance Contracting5%- Contract structures and financing
- Guaranteed savings and risk allocation
Building Automation and Controls5%- Automation and optimization
- Control systems and strategies
- Building management systems
Energy Accounting and Economics15%- Life cycle costing and economic analysis
- Time value of money, NPV, IRR, payback analysis
- Energy units and conversions
- Utility rate structures and tariffs
Energy Storage Systems3–5- Storage technologies and applications
- Integration and benefits
HVAC Systems and Building Envelope15%- Thermal envelope performance
- Heating, ventilation and air conditioning
- Load calculation and system selection
Distributed Generation and Renewable Energy4–6- Combined heat and power (CHP)
- Grid integration and economics
- Solar, wind, biomass, geothermal
Operations, Maintenance and Commissioning5%- Maintenance best practices
- Commissioning and retro-commissioning
Codes, Standards and Regulations5%- Energy efficiency codes and standards
- Sustainability policies and frameworks
- Compliance and reporting requirements
Boiler and Steam Systems4–6- Maintenance and optimization
- Operation and efficiency
Industrial Systems6–8- Compressed air, pumping, and drying systems
- Process energy efficiency
Energy Audits and Instrumentation10%- Energy performance indicators
- Audit levels and methodologies
- Data collection and analysis
- Measurement tools and instrumentation

AEE Certified Energy Manager (CEM) Sample Questions:

A facility uses 250,000 kWh in a 31-day billing period. The peak demand in the billing period is 1,200 kW.
What is the facility partial load factor?

  • A. 77%
  • B. 28%
  • C. 33%
  • D. 66%
  • E. 45%
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for PassLeaderVCE members. You can sign-up / login (it's free).

Why do electric utility companies transmit power at high voltages?
SELECT THE CORRECT ANSWER

  • A. Higher voltages are safer
  • B. Electrical frequency is more stable
  • C. Transmission power losses (12R) are less
  • D. Higher voltages are more stable
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for PassLeaderVCE members. You can sign-up / login (it's free).

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. 74%
  • B. 58%
  • C. 88%
  • D. 62%
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

A concentrating solar thermal system collects 5 GJ/h of thermal heat, which is delivered to a 94% efficient hot water generator. The hot water generator is used to raise the water temperature from 15°C to 65°C. The specific heat of water (Cp) is 4.2 kJ/kg-°C. What flow rate (liter/second) of hot water can be delivered from the hot water generator?

  • A. 4.2 liter/second
  • B. 6.2 liter/second
  • C. 12.0 liter/second
  • D. 9.2 liter/second
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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A 1OO-kW packaged engine-generate combined heat and power (CHP) system has the specifications listed below. The CHP equipment operates fully loaded for 8.000 h/yr. What is the annual fuel cost for the ChP equipment?
CMP equipment specifications: Electrical output 100kw Electrical efficiency: 25% Thermal recovery efficiency: 50*6 Total CMP efficiency: 75% Additional information: Fuel cost: S3.S0/GJ Electricity cost S0.06/kWh Previous water heating efficiency:
8046 Mot water usage: 75,700 liters/day (21 *C temperature rise)
[The question from the previous image, which was about calculating the annual cost of heat loss through a wall, but had a discrepancy between the calculated cost and the provided answer choices]

  • A. $58,300/yr
  • B. $43,776/yr
  • C. $32,668/yr
  • D. $28,900/yr
  • E. $52,222/yr
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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