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AEE CEM Exam Syllabus Topics:

Section	Objectives
Measurement and Verification	- Energy savings calculation methods - M&V principles and protocols
Renewable Energy and Sustainability	- Renewable energy integration - Sustainable energy management practices
Mechanical and Thermal Systems	- Compressed air systems - HVAC systems and optimization - Boilers, steam systems, and thermal distribution
Energy Audits and Management	- Data collection and analysis methods - Energy management planning - Energy audit levels and procedures
Electrical Systems	- Motors and drives efficiency - Electrical distribution systems - Power factor correction
Lighting Systems	- Lighting technologies and controls - Lighting efficiency improvement strategies
Energy Accounting and Economics	- Energy budgeting and benchmarking - Life-cycle cost analysis and financial evaluation - Energy cost analysis and tariff structures

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CEM Exam Questions & Answers: Certified Energy Manager (CEM) & CEM Exam Braindumps

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AEE Certified Energy Manager (CEM) Sample Questions (Q68-Q73):

NEW QUESTION # 68
Which of the following statements best describe Demand Control Ventilation (DVC) in Building Automation Systems?

A. It's a building standard for enclosed spaces in which biological, chemical, and physical contaminants are considered to meet thermal comfort requirements
B. It's an active evaluation of outdoor and indoor space conditions to determine the amount of thermal, mechanical and natural conditioning that is required
C. It's a prescriptive procedure in which outdoor air intake rates are calculated based on the energy cost method that compares a proposed building design to a base annual energy cost design
D. It satisfies indoor ventilation rates by preconditioning outdoor air with the exhaust air to decrease energy cost during cold, warm, or humid weather

Answer: B

NEW QUESTION # 69
In a warehouse, lights are mounted 4 meters above the floor. This provides an average light level of 150 lux.
To increase the light level without installing more lights or higher Wattage lights, you lower the light fixtures with pendants so that the lights are located 3.25 meters above the floor. Calculate the new average light level on the floor.

A. 276 lux
B. 176 lux
C. 150 lux
D. 227 lux
E. 166 lux

Answer: B

NEW QUESTION # 70
What instrument determines flow rate by measuring pressure differential?

A. Pitot tube
B. Infrared camera
C. Hot-wire anemometer
D. Ultrasonic flow meter
E. Psychrometer

Answer: A

Explanation:
APitot tubemeasuresflow rateby determining thepressure differentialin a fluid.
Why is a Pitot Tube the Correct Answer?
* It measuresdynamic pressureandstatic pressurein a moving fluid.
* Using Bernoulli's equation, it calculatesvelocityandflow rate.
Analysis of Other Options:
* Psychrometer (A):Measures humidity, not flow rate.
* Infrared camera (B):Detects temperature differences, not pressure.
* Hot-wire anemometer (C):Measures air velocity using heat dissipation, but not pressure differential.
* Ultrasonic flow meter (E):Measures flow using sound waves, not pressure.
Thus, the correct answer isD. Pitot tube.

NEW QUESTION # 71
If the temperature difference across an external wall is 20°C and the heat flow across the wall is 2.5 Watts/m², calculate the insulation value of the wall (including inside and outside air films)?

A. R = 6 m²-°C/W
B. R = 12 m²-°C/W
C. R = 8 m²-°C/W
D. R = 10 m²-°C/W
E. R = 4 m²-°C/W

Answer: C

NEW QUESTION # 72
An outdoor parking area has 25 light poles. Each pole has a 420 Watt (ballast included) high-pressure sodium (HPS) luminaire. The parking area lights are illuminated 4,500 hours per year and the electricity cost is $0.08
/kWh. What is the annual energy cost reduction if each luminaire is replaced with a 220-Watt (driver included) LED luminaire?

A. $1,200/yr
B. $1,800/yr
C. $2,200/yr
D. $1,500/yr
E. $2,600/yr

Answer: B

Explanation:
To determine the annual energy cost savings from switching to LED luminaires:

NEW QUESTION # 73
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