Certified Energy Manager (CEM): CEM Exam

"Certified Energy Manager (CEM)", also known as CEM exam, is a AEE Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 132 Q&As to your CEM Exam preparation. In the CEM exam resources, you will cover every field and category in Energy Management Certification helping to ready you for your successful AEE Certification.

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  • Exam Code: CEM
  • Exam Name: Certified Energy Manager (CEM)
  • Certification Provider: AEE
  • Corresponding Certification: Energy Management
  • Updated: Sep 07, 2025
  • No. of Questions: 132 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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AEE Certified Energy Manager (CEM) Sample Questions:

1. In a PID control system, what is the purpose of the Proportional Gain?

A) Reacts to change
B) Control point
C) Reduces/eliminates offset
D) Senses high load rate


2. A facility has the thermal cooling load profile shown in the table below. The utility rate traffic has an no-peak time-of-use period that begins at 10:00 a.m ends at 7:00 p.m. What chiller capacity (output) is required for a load-leveling operating strategy?

[Question from the previous image, which was about chiller capacity for load leveling, but the table was missing]

A) 8.0 GJ/h
B) 5.0 GJ/h
C) 4.0 GJ/h
D) 7.0 GJ/h


3. 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) 100%
B) 6%
C) 15%
D) 25%
E) 66%


4. Which of the following statements best describe Demand Control Ventilation (DVC) in Building Automation Systems?

A) It satisfies indoor ventilation rates by preconditioning outdoor air with the exhaust air to decrease energy cost during cold, warm, or humid weather
B) It's an active evaluation of outdoor and indoor space conditions to determine the amount of thermal, mechanical and natural conditioning that is required
C) It's a building standard for enclosed spaces in which biological, chemical, and physical contaminants are considered to meet thermal comfort requirements
D) It's a prescriptive procedure in which outdoor air intake rates are calculated based on the energy cost method that compares a proposed building design to a base annual energy cost design


5. If the temperature difference across an external wall is 20°C and the heat flow across the wall is 2.5 Watts/m², calculate the insulation value of the wall (including inside and outside air films)?

A) R = 6 m²-°C/W
B) R = 4 m²-°C/W
C) R = 8 m²-°C/W
D) R = 12 m²-°C/W
E) R = 10 m²-°C/W


Solutions:

Question # 1
Answer: A
Question # 2
Answer: A
Question # 3
Answer: D
Question # 4
Answer: B
Question # 5
Answer: C

833 Customer ReviewsCustomers Feedback (* Some similar or old comments have been hidden.)

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