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AEE Certified Energy Manager (CEM) Sample Questions:
1. Air is heated from 10°C (dry bulb temperature) and 80% relative humidity to 32°C (dry bulb temperature).
What is the new relative humidity?
A) 30%
B) 60%
C) 40%
D) 80%
E) 20%
2. An energy-saving project costs $540,000. The project will have maintenance costs of $25,000 per year. The energy savings from the project are $160,000 per year. What is the simple payback of the project?
A) 5.0 years
B) 3.0 years
C) 2.0 years
D) 4.0 years
3. Which of the following controls can optimize the operation of lighting systems?
A) Photocells
B) Timer
C) All of the above
D) Dimming ballasts
E) Occupancy sensors
4. 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 50% of a large sample of lamps have failed
C) The time at which lamps begin to fail
D) The time at which 70% of a large sample of lamps have failed
E) The time at which lumen output has reduced by 50%
5. A 50-Hz alternating current (AC) induction motor has 3 pole pairs (6 poles). What is the synchronous speed of the motor?
A) 1,000 rpm
B) 750 rpm
C) 600 rpm
D) 1,500 rpm
Solutions:
| Question # 1 Answer: E | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: D |
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Conrad 
Bernie 
Christine 
Roy 
Florence 
Archibald 
Venus 
Nat 
Sandy 
Hyman 
Meredith 
Blithe 
Valerie 
Hunter 
Quinn 
Roy 
Maxine 
Mark 
