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AEE CEM Exam Syllabus Topics:

AEE Certified Energy Manager (CEM) Sample Questions:

1. Lighting systems operate with a certain recoverable light loss factor. Control systems with photocell sensor inputs combined with dimming ballasts can be used to regulate dimming levels to maintain a continuous light level in the work space. Which of the following best describes this type of control?

A) Open-loop controller
B) Two-position controller
C) Closed-loop controller
D) Demand-limiting controller

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

A) R-11 and R-12 are Chloro Fluoro Carbons with significant ozone depleting potential
B) R-1234yf is a Hydro Fluoro Olefin with zero ozone depleting potential, and little global warming potential
C) R-22 is a Hydro Chloro Carbon with significant ozone depleting potential and significant global warming impact
D) 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
E) R-32 and R-134a are Hydro Fluoro Carbons with zero ozone depleting potential, and significant global warming impact

3. What type of heat transfer is reduced by adding insulation to the inside surface of a wall?

A) Convection
B) Radiation
C) Conduction

4. Which of the following International Performance Measurement and Verification Protocol (IPMVP) options would you use to verify annual energy savings in a project that upgraded lighting in a large manufacturing plant?

A) Option E - Stipulated savings
B) Option D - Calibrated simulation
C) Option A - Retrofit isolation: key parameter measurement
D) Option B - Retrofit isolation: all parameter measurement
E) Option C - Whole facility measurement

5. Some international electric utilities use 'net metering" for customers with renewable energy equipment, such as photovoltaic power panels. Which of the following best describes net metering with regard to excess power generation and utility billing practices?
SELECT THE CORRECT ANSWER

A) Accept excess electric energy generated by a customer's energy system, the value of which can offset the value of energy consumed by the customer over the net metering period
B) Accept excess electric energy generated by a customer's energy system but with no financial compensation for the energy fed into the utility's transmission system
C) Transmit electric energy generated by a customer's energy system so that the customer may sell the excess electricity to another company on the transmission system

Solutions: