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AEE Certified Energy Manager (CEM) Sample Questions:
1. Which problems can be caused by poor power quality?
A) All of the above
B) Answers B and C
C) Circuit breakers tripping
D) Induction motors running backwards
E) Equipment overheating
2. For general indoor residential lighting applications, which lamp would you recommend to replace an 11 watt CFL with in order to provide the most appropriate illumination with the highest efficacy?
SELECT THE CORRECT ANSWER
A) 7 watt light-emitting diode
B) 4 watt incandescent
C) 36 watt fluorescent tube with electronic ballast
D) 5 watt low-pressure sodium
E) 10 watt light-emitting diode
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) 276 lux
B) 166 lux
C) 227 lux
D) 176 lux
E) 150 lux
4. A compressed-air distribution system has one section that frequently has low pressure when demand for compressed air is high. How can you resolve the problem without increasing energy consumption?
A) Answers B and C
B) Install a receiver tank near the remote load experiencing low pressure
C) Decrease the distribution pipe size to the remote load experiencing low pressure
D) Raise the supply air pressure
5. In an ammonia-water absorption chiller, what material is the refrigerant?
A) Ammonia
B) Lithium bromide
C) Water
D) Some form of fluorocarbon
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: A |
By Lou
