Certified Energy Manager (CEM)
Last Update 2 days ago
Total Questions : 130
Dive into our fully updated and stable CEM practice test platform, featuring all the latest Energy Management exam questions added this week. Our preparation tool is more than just a AEE study aid; it's a strategic advantage.
Our Energy Management practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about CEM. Use this test to pinpoint which areas you need to focus your study on.
A facility uses 250,000 kWh in a 31-day billing period. The peak demand in the billing period is 1,200 kW. What is the facility partial load factor?
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?
You can buy air compressor A for $15,000 or air compressor B for $6,000. Compressor A will cost $10,000 per year to operate. Compressor B will cost $11,500 per year to operate. If both air compressors have a 10-year life and your required return on investment is 12%, which air compressor has the lowest total life-cycle cost?
Using the lumen method, calculate the number of luminaires (fixtures) required to light a room to 200 lux. Each luminaire has 2 fluorescent lamps, 3,000 lumens per lamp. The room is 20 meters by 30 meters. The total light loss factor (LLF) is 0.70 and the luminaire coefficient of utilization (CU) is 0.80.
In a typical compressed air system, energy can be saved by which of the following actions?
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?
TESTED 24 Nov 2025
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