Free AEE AEE-CEM Exam Questions

Become AEE Certified with updated AEE-CEM exam questions and correct answers

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Total 132 Questions | Updated On: Apr 28, 2026

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Question 1

How does an enthalpy-based economizer control operate?

A : Using a constant mixed air proportion control sequence

B : Comparing the difference in dry-bulb air temperature measurements of the return air and the outdoor air

C : Measuring the outdoor air dry-bulb temperature and relative humidity

D : Using the dry-bulb temperature and relative humidity of both the outdoor-air and return-air

Answer: D

Question 2

A new lighting system costs $60,000. The new lighting system has a 15-year life and the minimum required rate of return (MARR) is 15%. How much must the new lighting system save to be life-cycle cost effective?

A : $10,260/year

B : $12,556/year

C : $15,650/year

D : $27,090/year

E : $33,200/year

Answer: B

Question 3

Which of the following instruments is most useful for tracking long-term boiler performance?

A : The pressure gauge

B : The exhaust stack temperature sensor

C : The boiler room ambient temperature sensor

D : The drum water level gauge

E : The feedwater temperature sensor

Answer: B

Question 4

An energy-saving project saves $30,000 per year. The project life is 10 years and the company minimum annual rate of return (MARR) is 15%. How much can the project cost and still be cost effective?

A : $150,570

B : $165,903

C : $188,343

D : $198,992

E : $201,123

Answer: B

Question 5

Which pump system listed below is most likely the best application for converting to variable-speed drive?

A : Pump system with parallel rotary lobe pumps in a rebar quenching application with a static head of 80m

B : Pump system with on-off control transferring liquid vertically from a low tank to a higher tank

C : Pump system with bypass control transferring liquid from an intake dam to a process in production

D : Pump system with throttle fully open circulating liquid in a closed loop cooling system

Answer: D

Page: 1 / 27

Total 132 Questions | Updated On: Apr 28, 2026

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