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AEE Certified Energy Manager (CEM) Sample Questions:

1. Which of the following is NOT a renewable-energy resource?
SELECT THE CORRECT ANSWER

A) Saw grass
B) Crop residue
C) Geothermal heat
D) Shale gas
E) Ocean waves

2. If installed without ancillary equipment, photovoltaic power cells generate what type of power?

A) Sinusoidal alternating current
B) Direct current
C) Square-wave alternating current

3. How much fuel is required to heat 50 kg water from 20°C water to 200°C saturated steam? Assume the boiler is 80% efficient (based on the higher-heating value of the fuel).

A) 127.2 MJ
B) 169.3 MJ
C) 511.2 MJ
D) 210.5 MJ

4. Which of the following statements best describe Demand Control Ventilation (DVC) in Building Automation Systems?

A) It's an active evaluation of outdoor and indoor space conditions to determine the amount of thermal, mechanical and natural conditioning that is required
B) It's a building standard for enclosed spaces in which biological, chemical, and physical contaminants are considered to meet thermal comfort requirements
C) It's a prescriptive procedure in which outdoor air intake rates are calculated based on the energy cost method that compares a proposed building design to a base annual energy cost design
D) It satisfies indoor ventilation rates by preconditioning outdoor air with the exhaust air to decrease energy cost during cold, warm, or humid weather

5. 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) 4 watt incandescent
B) 10 watt light-emitting diode
C) 5 watt low-pressure sodium
D) 7 watt light-emitting diode
E) 36 watt fluorescent tube with electronic ballast

Solutions: