Learn with AEE : CEM training material for 100% pass
Updated: Sep 04, 2025
No. of Questions: 132 Questions & Answers with Testing Engine
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AEE Certified Energy Manager (CEM) Sample Questions:
1. What is the definition of lamp life for a fluorescent lamp?
A) The time at which lumen output has reduced to 70% of the initial light output
B) The time at which 70% of a large sample of lamps have failed
C) The time at which 50% of a large sample of lamps have failed
D) The time at which lumen output has reduced by 50%
E) The time at which lamps begin to fail
2. A compressed-air distribution system has one section that frequently has low pressure when demand for compressed air is high. How can you resolve the problem without increasing energy consumption?
A) Install a receiver tank near the remote load experiencing low pressure
B) Answers B and C
C) Decrease the distribution pipe size to the remote load experiencing low pressure
D) Raise the supply air pressure
3. A 1OO-kW packaged engine-generate combined heat and power (CHP) system has the specifications listed below. The CHP equipment operates fully loaded for 8.000 h/yr. What isthe annual fuel cost for the ChP equipment?
CMP equipment specifications: Electrical output 100kw Electrical efficiency: 25% Thermal recovery efficiency: 50*6 Total CMP efficiency: 75% Additional information: Fuel cost: S3.S0/GJ Electricity cost S0.06/kWh Previous water heating efficiency:
8046 Mot water usage: 75,700 liters/day (21 *C temperature rise)
[The question from the previous image, which was about calculating the annual cost of heat loss through a wall, but had a discrepancy between the calculated cost and the provided answer choices]
A) $28,900/yr
B) $43,776/yr
C) $52,222/yr
D) $32,668/yr
E) $58,300/yr
4. Which type of lighting control technique operates in "manual on" and "auto-off mode, and can be used in situations where there is brief occupancy that do not need lights on?
A) PIR/Microphonics dual technology
B) Occupancy sensor
C) Photocell control
D) Microphonics technology
E) Vacancy sensor
5. An air-conditioning unit delivers 10,000 kJ/h (thermal cooling). The equipment uses single-phase electrical power at 220-volt and 5.25 amps with a power factor of 100%. Calculate the coefficient of performance (COP).
A) 16.1
B) 13.2
C) 2.4
D) 6.2
E) 3.2
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: E | Question # 5 Answer: E |
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By Rose
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By Ed
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