AEE Certified Energy Manager (CEM) 認定 CEM 試験問題:

1. Which of the following is the primary benefit of integrating energy management with a Building Automation System (BAS) in a commercial facility?
SELECT THE CORRECT ANSWER

A) Enhanced tenant satisfaction through manual lighting control in individual zones
B) Reduced initial installation costs compared to traditional control systems
C) Increased energy efficiency by enabling real-time monitoring and automated adjustments to HVAC, lighting, and other systems
D) Simplified maintenance by eliminating the need for system diagnostics and fault detection

2. Problems Caused by Harmonic Distortion
Which of the following problems is unlikely to be caused by harmonic distortion?
SELECT THE CORRECT ANSWER

A) "Nuisance" tripping of circuit breakers
B) Torque pulsation in motors
C) Circulating currents in motor shafts
D) Degraded power factor C. Lighting "flicker"

3. Which of the following best describes a dead band in controls?

A) A system which changes the output of a controller based on how fast a variable is moving from or to a set point
B) A range around a set point with no change in state even though there is a change in sensor input
C) A value that has been assigned to a controlled variable
D) The delay in response of a system to a controlled change
E) The difference between a sensor variable and its set point

4. What instrument is NOT used to measure temperature?

A) Optical pyrometer
B) Thermometer
C) Thermistor
D) Hot-wire anemometer
E) Bimetallic thermometer

5. A refrigerant-to-water heat exchanger can be added to air-conditioning equipment to heat water using the waste heat in the vapor compression refrigerant cycle. Where is this type of heat exchanger located in the refrigerant loop?

A) After the expansion valve, before the evaporator coil
B) After the compressor, before the condenser coil
C) After the condenser coil, before the thermal expansion valve
D) After the evaporator coil, before the compressor

質問と回答：