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AEE CEM Exam Syllabus Topics:

AEE Certified Energy Manager (CEM) Sample Questions:

1. In a performance contract, which group has the greatest investment risk?

A) The equipment manufacturer
B) The energy-service company
C) Risk is shared by the terms in the performance contract
D) The company installing the energy project

2. How much energy (kJ) is required to heat 2 kg of water from 25°C to 2 kg of water at 100°C? (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)

A) 420 kJ
B) 510 kJ
C) 840 kJ
D) 630 kJ

3. Calculate the monthly electric bill for a customer that used 400 kW and 75,000 kwh during one month. Use the following declining block structure for a monthly bill:

SELECT THE CORRECT ANSWER

A) $7,850
B) $12,500
C) $9,660
D) $3,280
E) $4, 580

4. A building has a 100 m² wall with an R-value of 14.4 (m²-C/W) in a climate with 3,500 heating degree days (HDD). The building heater is 85% efficient [based on the fuel's higher-heating value (HHV)]. The fuel cost is $5.00/GJ [based on the fuel's higher-heating value (HHV)]. What is the annual cost of the heat loss through the wall?

A) $12.35/yr
B) $22.56/yr
C) $16.22/yr
D) $10.56/yr
E) $14.44/yr

5. Exhaust gases from an industrial furnace flow through a heat-recovery steam generator, which generates medium-pressure steam. This steam is used in a steam turbine to generate shaft power driving a fan. Which type of combined heat and power (CHP) cycle does this process describe?

A) Bottoming cycle
B) Topping cycle
C) This cycle is not a combined heat and power system
D) Combined cycle

Solutions: