Simulate the real examination environment

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Help you fill the knowledge gap

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Unlimited to any equipment

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AEE Certified Energy Manager (CEM) Sample Questions:

1. What is the main cause of low power factor?

A) Computers and electronic equipment
B) Low-load induction motors
C) Fluorescent lighting
D) Solar flares
E) Harmonics

2. When should commissioning be included in the design and construction of a facility?

A) When the occupancy permit is accepted
B) When installation of the energy systems begins
C) When construction is finalized
D) When the planning process begins
E) When the design is finalized

3. Which is the best application for variable-speed drives?

A) Reciprocating air compressor
B) Centrifugal fan motor in a variable-air volume air-conditioning system
C) Centrifugal fan motor in a multi-zone air conditioning system
D) Waste-water sewer lift pump

4. How can commissioning reduce the life-cycle cost to owners and operators?

A) Improve the performance of energy systems
B) Reduce the cost of change orders during construction
C) Improve the satisfaction of building occupants
D) Improve the effectiveness of operations and maintenance
E) All of the above

5. A 50-Hz alternating current (AC) induction motor has 3 pole pairs (6 poles). What is the synchronous speed of the motor?

A) 750 rpm
B) 600 rpm
C) 1,500 rpm
D) 1,000 rpm

Solutions: