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| Section | Objectives |
|---|---|
| Electrical Systems | - Motors and drives efficiency - Power factor correction - Electrical distribution systems |
| Lighting Systems | - Lighting efficiency improvement strategies - Lighting technologies and controls |
| Renewable Energy and Sustainability | - Sustainable energy management practices - Renewable energy integration |
| Energy Audits and Management | - Energy management planning - Energy audit levels and procedures - Data collection and analysis methods |
| Mechanical and Thermal Systems | - HVAC systems and optimization - Boilers, steam systems, and thermal distribution - Compressed air systems |
| Energy Accounting and Economics | - Life-cycle cost analysis and financial evaluation - Energy cost analysis and tariff structures - Energy budgeting and benchmarking |
| Measurement and Verification | - Energy savings calculation methods - M&V principles and protocols |
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NEW QUESTION # 76
A concentrating solar thermal system collects 5 GJ/h of thermal heat, which is delivered to a 94% efficient hot water generator. The hot water generator is used to raise the water temperature from 15°C to 65°C. The specific heat of water (Cp) is 4.2 kJ/kg-°C. What flow rate (liter/second) of hot water can be delivered from the hot water generator?
Answer: A
Explanation:
Step 1: Compute Useful Thermal Energy Output
Given:
* Solar system delivers 5 GJ/h
* Hot water generator efficiency = 94%
NEW QUESTION # 77
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.
Answer: E
NEW QUESTION # 78
The temperature in an unconditioned mechanical room is found to typically be around 23°C warmer than ambient air. If the air intake of an air compressor located in the mechanical room is routed through a nearby wall so that ambient air is fed directly to the air compressor's intake, what impact can be expected on the air compressor's energy requirement?
Answer: D
NEW QUESTION # 79
Problems Caused by Harmonic Distortion
Which of the following problems is unlikely to be caused by harmonic distortion?
SELECT THE CORRECT ANSWER
Answer: A
NEW QUESTION # 80
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?
Answer: D
Explanation:
To determine the annual energy cost savings from switching to LED luminaires:
NEW QUESTION # 81
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