AEE CEM : Certified Energy Manager (CEM)

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AEE CEM Exam Syllabus Topics:

AEE Certified Energy Manager (CEM) Sample Questions:

1. What is a common cause of poor power quality?

A) Natural gas turbine power generation by utilities
B) Partially loaded induction motors
C) Incandescent lighting
D) Synchronous motors
E) Electronic equipment, such as personal computers

2. Which of the following statements regarding refrigerants is NOT correct?
5ELECT THE CORRECT ANSWER

A) R-407C is a blended Hydro Fluoro Carbon or near Azeotropic mixture, and can be used as a replacement for R-22 in commercial applications
B) R-22 is a Hydro Chloro Carbon with significant ozone depleting potential and significant global warming impact
C) R-11 and R-12 are Chloro Fluoro Carbons with significant ozone depleting potential
D) R-1234yf is a Hydro Fluoro Olefin with zero ozone depleting potential, and little global warming potential
E) R-32 and R-134a are Hydro Fluoro Carbons with zero ozone depleting potential, and significant global warming impact

3. What does a manometer measure?

A) Distance
B) Voltage
C) Pressure
D) Volume

4. A gas-fired boiler is operating with 31.9% excess air. A feedwater economizer is used to reduce the stack temperature rise from 310°C to 160°C. Using the natural gas combustion efficiency tables in your workbook, find the energy savings from the economizer as a percentage of historical fuel consumption.

A) 9.3%
B) 3.1%
C) 5.8%
D) 7.1%
E) 1.2%

5. A facility owner is considering installing a new chiller. The installed project cost will be $300,000. The annual savings from the energy-saving project will be $45,000 for the 20-year life of the chiller. If an energy- service company requires a minimum 20% return on investment (pre-tax), will the energy-service company agree to finance this project?

A) No
B) Yes

Solutions: