Learn with AEE : CEM training material for 100% pass
Updated: Jul 01, 2026
No. of Questions: 146 Questions & Answers with Testing Engine
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AEE Certified Energy Manager (CEM) Sample Questions:
1. Using a degree-day base of 18°C, calculate the number of cooling degree days (CDD) if the outside temperature is a uniform 25°C throughout the year (365 days/year).
A) 1,955 CDD/yr
B) 2,555 CDD/yr
C) 2,975 CDD/yr
D) 2,250 CDD/yr
E) 1,845 CDD/yr
2. What is the definition of lamp life for a fluorescent lamp?
A) The time at which lumen output has reduced to 70% of the initial light output
B) The time at which 70% of a large sample of lamps have failed
C) The time at which 50% of a large sample of lamps have failed
D) The time at which lumen output has reduced by 50%
E) The time at which lamps begin to fail
3. 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) Increase energy use by 3.8%
B) Increase energy use by 7.6%
C) No measureable change in energy use
D) Decrease energy use by 7.6%
E) Decrease energy use by 3.8%
4. In general, which of the following is the least expensive and easiest way to finance an energy project?
A) Debt
B) Performance contract
C) Equity
5. A large office building is entirely fitted out with ten-thousand new T5 fluorescent lamps today, which will be operational for 2,500 hours per year. The lamps are supposed to last 17,860 hours. How many months from today will be the best schedule for group relamping (total replacement of all the T5 fluorescent lamps in the building)?
A) 5 months
B) 60 months
C) 68 months
D) 85.7 months
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: D |
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