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| Section | Weight | Objectives |
|---|---|---|
| Electric Power Systems | 10-15% | - Power factor correction - Motors and drives - Power distribution systems - Harmonics and power quality - Standby power systems - Lighting systems and controls |
| Renewable Energy Technologies | 8-12% | - Solar photovoltaic systems - Wind energy systems - Geothermal systems - Solar thermal systems - Energy storage technologies - Biomass and bioenergy |
| Energy Project Implementation | 8-12% | - Performance contracting (ESPC) - Measurement and verification (M&V) - Project financing models - Implementation strategies - Project risk management - Energy service companies (ESCOs) |
| Environmental and Regulatory Compliance | 5-10% | - Carbon footprint calculation - Energy reporting requirements - Sustainability reporting - Green building standards (LEED, ENERGY STAR) - EPA regulations (Clean Air Act, Clean Water Act) |
| Energy Accounting and Economics | 10-15% | - Life cycle cost analysis (LCCA) - Energy cost accounting and allocation - Energy price forecasting - Financial analysis techniques (ROI, NPV, IRR) - Utility rate structures and tariffs |
| Facilities Management | 8-12% | - Operations and maintenance best practices - Building automation systems (BAS) - Commissioning and re-commissioning - Preventive maintenance programs - Monitoring and targeting (M&T) |
| Heating, Ventilating, and Air Conditioning (HVAC) | 12-18% | - Controls and optimization - Equipment efficiency ratings - Indoor air quality - HVAC system types and components - Psychrometrics - Load calculations - Heat transfer principles |
| Energy Auditing | 15-20% | - Data collection and analysis - Metering and measurement equipment - Audit report writing - Types of energy audits (preliminary, detailed, investment-grade) - Baseline establishment - Audit procedures and methodologies |
| Building Envelope | 8-12% | - Windows and glazing systems - Daylighting and shading - Air leakage and infiltration - Thermal envelope analysis - Insulation types and R-values |
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NEW QUESTION # 114
In a performance contract, which group has the greatest investment risk?
Answer: A
Explanation:
In a guaranteed savings performance contract, the ESCO assumes the greatest financial risk, because:
* Payments are tied to verified savings
* ESCO must compensate shortfalls if savings are not achieved
This principle is explicitly tested in the CEM exam.
NEW QUESTION # 115
What does a manometer measure?
Answer: A
Explanation:
Amanometeris used to measurepressure, particularly in gases and liquids.
Step 1: Analysis of Each Option
* Pressure (A):#Correct. Manometers are commonly used in HVAC, industrial, and lab applications.
* Volume (B):#Incorrect. Volume is measured using flow meters or tanks.
* Distance (C):#Incorrect. Distance is measured using rulers or lasers.
* Voltage (D):#Incorrect. Voltage is measured using voltmeters.
Thus, the correct answer isA. Pressure.
NEW QUESTION # 116
What is the main reason for using instrumentation in energy audits?
Answer: D
Explanation:
Instrumentation in energy audits serves multiple functions, but theprimary reasonis to determine energy flows.
* Measuring Energy Flows:
* Instrumentation helpsquantify energy usein different systems, such as electricity, HVAC, and industrial processes.
* It helps identifywhere energy is used, lost, or wasted.
* Supporting Energy Conservation Efforts:
* By measuring energy flows, auditors canidentify inefficienciesand recommend solutions.
* Other Options Analysis:
* Saving energy (A):A result of energy audits, not the main purpose.
* Validating utility bills (C):Important but secondary to understanding energy flows.
* Supporting the local economy (D):Not relevant.
Thus, the correct answer isB. Determine energy flows.
NEW QUESTION # 117
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: E
NEW QUESTION # 118
Which of the following is NOT a typical benefit of performance contracting from the building owner's perspective?
Answer: D
NEW QUESTION # 119
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