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| Section | Objectives |
|---|---|
| Topic 1: Electrical Systems | - Electrical distribution systems - Motors and drives efficiency - Power factor correction |
| Topic 2: Energy Audits and Management | - Data collection and analysis methods - Energy management planning - Energy audit levels and procedures |
| Topic 3: Measurement and Verification | - Energy savings calculation methods - M&V principles and protocols |
| Topic 4: Energy Accounting and Economics | - Energy cost analysis and tariff structures - Life-cycle cost analysis and financial evaluation - Energy budgeting and benchmarking |
| Topic 5: Renewable Energy and Sustainability | - Sustainable energy management practices - Renewable energy integration |
| Topic 6: Mechanical and Thermal Systems | - Compressed air systems - Boilers, steam systems, and thermal distribution - HVAC systems and optimization |
| Topic 7: Lighting Systems | - Lighting technologies and controls - Lighting efficiency improvement strategies |
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NEW QUESTION # 99
A steam trap with a 6-mm orifice in an 0.8-MPa steam system has failed open. The steam system is pressurized8.760 hours/yr. The steam cost is $15.00 /GJ. Using thetable below, what is the annualcost of the vented steam through the failed steam trap? ignore any condensate return issues.
[The question from the previous image, which was about calculating the annual cost of heat loss through a wall, but had a discrepancy between the calculated cost and the provided answer choices]
Answer: A
NEW QUESTION # 100
A heat pump water heater has an annual average coefficient of performance (COP) of 2.1 and heats water from 15°C to 50°C. Hot water use is 100 liters per day, 365 days/yr. The electricity cost is $0.10/kWh. What is the annual water heating cost? (The specific heat of water (C) is 4.2 kJ/kg-°C.)
Answer: E
NEW QUESTION # 101
A piece of equipment costs $250,000 to buy and install. The annual operating cost for the equipment is
$50,000 per year. The equipment will last 15 years. After 15 years, the equipment will have no net salvage value. The annual interest rate is 10%. What is the present value of the life-cycle cost to own and operate the equipment? Use end-of-year annual cash flow analysis.
Answer: B
NEW QUESTION # 102
How can commissioning reduce the life-cycle cost to owners and operators?
Answer: D
NEW QUESTION # 103
Calculate the monthly electric bill for a customer that used 400 kW and 75,000 kwh during one month. Use the following declining block structure for a monthly bill:
SELECT THE CORRECT ANSWER
Answer: C
Explanation:
We need to calculate the monthly electric bill based on the given pricing structure.
Step 1: Identify Charges from the Table
* Customer charge: $50/month
* Peak demand charge: $10/kW-month
* Electric consumption charges:
* First 25,000 kWh @ $0.06/kWh
* Excess (75,000 - 25,000) = 50,000 kWh @ $0.05/kWh
* Tax: 20% of total
NEW QUESTION # 104
......
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