AEE Certified Energy Manager (CEM) Sample Questions:
1. A three phase, 380-volt system, has the following voltage measurements:
Va = 375 volts
Vb = 380 volts
Vc = 391 volts
Calculate the percent voltage imbalance.
A) 3.4%
B) 5.5%
C) 6.2%
D) 1.1%
E) 2.4%
2. A 50-kW induction motor (1,500 rpm synchronous speed) has a nameplate full-load rotational speed of 1,455 rpm. Field measurements show the actual rotational speed is 1,475 rpm. Using the slip method, calculate the partial load factor of the motor.
A) 56%
B) 80%
C) 101%
D) 46%
E) 98%
3. An air conditioning unit cools make-up air from 25°C (dry bulb temperature) and 50% relative humidity down to 13°C. What type of heat has been removed from the air?
A) No heat energy has been removed
B) Latent heat
C) Sensible heat
D) Both sensible and latent heat
4. The International Performance Measurement and Verification Protocol (IPMVP) has how many categories (method options) to determine the performance of an energy- or water-consuming system?
A) 4 Options
B) 6 Options
C) 3 Options
D) 2 Options
E) 5 Options
5. According to ISO 50001. when performing internal audits on the energy management system in an organization the internal auditor should do which of the following?
SELECT THE CORRECT ANSWER
A) Focus on the areas of significant energy use
B) Review the written procedures related to the area under audit
C) Look for opportunities for energy improvement and to minimize bureaucracy inthe energy management system
D) Assess actual activities as practiced against what the written procedures state
E) All of the above
Solutions:
| Question # 1 Answer: E | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: E |
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