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. An energy-saving project saves $30,000 per year. The project life is 10 years and the company minimum annual rate of return (MARR) is 15%. How much can the project cost and still be cost effective?

A) $188,343
B) $201,123
C) $198,992
D) $165,903
E) $150,570


2. What is the purpose of top (or skimming) blowdown in a steam boiler?

A) To reduce the buildup of sediment in the boiler
B) To dilute the level of impurities in the boiler water thus allowing the addition of cleaner make up water
C) To reduce the buildup of feedwater chemicals in the boiler
D) To flush out the boiler room drain system


3. In a warehouse, lights are mounted 4 meters above the floor. This provides an average light level of 150 lux.
To increase the light level without installing more lights or higher Wattage lights, you lower the light fixtures with pendants so that the lights are located 3.25 meters above the floor. Calculate the new average light level on the floor.

A) 227 lux
B) 150 lux
C) 276 lux
D) 176 lux
E) 166 lux


4. A new lighting system costs $60,000. The new lighting system has a 15-year life and the minimum required rate of return (MARR) is 15%. How much must the new lighting system save to be life-cycle cost effective?

A) $15,650/year
B) $10,260/year
C) $12,556/year
D) $27,090/year
E) $33,200/year


5. How much energy (kJ) is required to heat 2 kg of water from 25°C to 2 kg of water at 100°C? (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)

A) 420 kJ
B) 510 kJ
C) 630 kJ
D) 840 kJ


Solutions:

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

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