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| Section | Weight | Objectives |
|---|---|---|
| Building Automation and Controls | 5% | - Building management systems - Control systems and strategies - Automation and optimization |
| Industrial Systems | 6–8 | - Compressed air, pumping, and drying systems - Process energy efficiency |
| Boiler and Steam Systems | 4–6 | - Maintenance and optimization - Operation and efficiency |
| Codes, Standards and Regulations | 5% | - Sustainability policies and frameworks - Compliance and reporting requirements - Energy efficiency codes and standards |
| HVAC Systems and Building Envelope | 15% | - Load calculation and system selection - Heating, ventilation and air conditioning - Thermal envelope performance |
| Measurement and Verification | 5% | - Baseline development and savings calculation - M&V protocols and standards |
| Operations, Maintenance and Commissioning | 5% | - Maintenance best practices - Commissioning and retro-commissioning |
| Energy Audits and Instrumentation | 10% | - Measurement tools and instrumentation - Data collection and analysis - Energy performance indicators - Audit levels and methodologies |
| Distributed Generation and Renewable Energy | 4–6 | - Solar, wind, biomass, geothermal - Combined heat and power (CHP) - Grid integration and economics |
| Electrical Power Systems and Motors | 15% | - Power distribution and quality - Power factor correction and load management - Motor systems, efficiency and controls |
| Lighting Systems | 10% | - Design and control strategies - Daylighting integration - Lighting technologies and efficiency |
| Energy Savings Performance Contracting | 5% | - Contract structures and financing - Guaranteed savings and risk allocation |
| Energy Accounting and Economics | 15% | - Time value of money, NPV, IRR, payback analysis - Life cycle costing and economic analysis - Energy units and conversions - Utility rate structures and tariffs |
| Energy Storage Systems | 3–5 | - Storage technologies and applications - Integration and benefits |
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NEW QUESTION # 95
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 # 96
Which of the following best describes a thermally-light building?
Answer: C
NEW QUESTION # 97
Natural gas costs $4.80/GJ. How much does it cost to heat 500 liters of water from 18°C to 50°C using a natural gas water heater with an efficiency of 85%? [The efficiency and fuel price are both based on HHV.
The specific heat of water (C) is 4.2 kJ/kg-°C.]
Answer: D
Explanation:
To calculate the cost of heating water using natural gas:
Step 1: Compute Energy Required to Heat the Water
Given:
* Mass of water = 500 L = 500 kg
* Temperature rise (#T) = 50°C - 18°C = 32°C
* Specific heat of water (Cp) = 4.2 kJ/kg-°C
Energy Required (Q)=m×Cp×#T
=500×4.2×32
=67,200 kJ=67.2 MJ
NEW QUESTION # 98
A high-pressure steam system passes 180°C condensate (saturated liquid) through a steam trap to an atmospherically vented condensate receiver tank. If the steam trap is working properly, how much of the condensate mass can be lost out the vent of the receiver tank in the form of flash steam?
Answer: B
NEW QUESTION # 99
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:
A table with numbers and symbols AI-generated content may be incorrect.
NEW QUESTION # 100
......
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