P.S.ShikenPASSがGoogle Driveで共有している無料の2026 AEE CEMダンプ：https://drive.google.com/open?id=1wXT2jx7oT5aiLMjwsbjiVxHwaTnW_3l2
証明書を効率的に渡す状況を確認するために、当社のCEM練習資料は一流の専門家によって編集されています。 したがって、私たちのチームの能力は疑う余地がありません。 役に立たないものに貴重な時間を無駄にすることなく、レビューして順調に進むのに役立ちます。 彼らは、最近の試験でCEMスタディガイドが通常テストするものを厳選し、これらのCEM実際のテストに蓄積した知識を捧げました。 私たちは同じチームに所属しており、あなたがそれを実現するのを助けることが私たちの共通の願いです。 とても幸運！
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lighting Systems | 10% | - Daylighting integration - Lighting technologies and efficiency - Design and control strategies |
| Topic 2: Energy Accounting and Economics | 15% | - Utility rate structures and tariffs - Energy units and conversions - Life cycle costing and economic analysis - Time value of money, NPV, IRR, payback analysis |
| Topic 3: Energy Audits and Instrumentation | 10% | - Measurement tools and instrumentation - Data collection and analysis - Audit levels and methodologies - Energy performance indicators |
| Topic 4: Boiler and Steam Systems | 4–6 | - Operation and efficiency - Maintenance and optimization |
| Topic 5: Distributed Generation and Renewable Energy | 4–6 | - Grid integration and economics - Solar, wind, biomass, geothermal - Combined heat and power (CHP) |
| Topic 6: Operations, Maintenance and Commissioning | 5% | - Commissioning and retro-commissioning - Maintenance best practices |
| Topic 7: HVAC Systems and Building Envelope | 15% | - Heating, ventilation and air conditioning - Load calculation and system selection - Thermal envelope performance |
| Topic 8: Industrial Systems | 6–8 | - Process energy efficiency - Compressed air, pumping, and drying systems |
| Topic 9: Electrical Power Systems and Motors | 15% | - Power factor correction and load management - Power distribution and quality - Motor systems, efficiency and controls |
| Topic 10: Building Automation and Controls | 5% | - Building management systems - Automation and optimization - Control systems and strategies |
| Topic 11: Energy Savings Performance Contracting | 5% | - Contract structures and financing - Guaranteed savings and risk allocation |
| Topic 12: Energy Storage Systems | 3–5 | - Integration and benefits - Storage technologies and applications |
| Topic 13: Codes, Standards and Regulations | 5% | - Compliance and reporting requirements - Sustainability policies and frameworks - Energy efficiency codes and standards |
| Topic 14: Measurement and Verification | 5% | - Baseline development and savings calculation - M&V protocols and standards |
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質問 # 75
Which pump system listed below is most likely the best application for converting to variable-speed drive for energy savings?
SELECT THE CORRECT ANSWER
正解：B
質問 # 76
Why do electric utility companies transmit power at high voltages?
SELECT THE CORRECT ANSWER
正解：C
解説：
Electric utility companies transmit power at high voltages primarily to reduce transmission power losses, which are proportional to the square of the current (I²) multiplied by the resistance (R) of the transmission lines. This relationship is expressed by the formula for power loss: P_loss = I²R.
Key Points:
* Power Loss and Current Relationship:Power losses in transmission lines are directly proportional to the square of the current flowing through them. Reducing the current decreases these losses significantly.
* High Voltage Transmission:By increasing the transmission voltage, the current required to deliver the same amount of power decreases. This is because power (P) is the product of voltage (V) and current (I): P = VI. For a given power level, increasing voltage allows for a corresponding decrease in current.
* Reduced I²R Losses:Lower current results in reduced I²R losses, enhancing the efficiency of power transmission over long distances.
Conclusion:
Transmitting power at high voltages minimizes transmission losses, making it the most efficient method for long-distance electrical power delivery. Therefore, the correct answer is C. Transmission power losses (I²R) are less.
質問 # 77
Lighting systems operate with a certain recoverable light loss factor. Control systems with photocell sensor inputs combined with dimming ballasts can be used to regulate dimming levels to maintain a continuous light level in the work space. Which of the following best describes this type of control?
正解：C
質問 # 78
Which of the following statements regarding refrigerants is NOT correct?
5ELECT THE CORRECT ANSWER
正解：E
解説：
Understanding the environmental impacts of various refrigerants is crucial for energy managers. Let's analyze each statement:en.wikipedia.org A:R-407C is a blended Hydro Fluoro Carbon or near Azeotropic mixture, and can be used as a replacement for R-22 in commercial applications:This statement is correct. R-407C is a blend of HFCs designed to replace R-22 in air conditioning systems.
B:R-11 and R-12 are Chloro Fluoro Carbons with significant ozone depleting potential:This is correct. R-
11 and R-12 are CFCs known for their high ozone depletion potential.
C:R-1234yf is a Hydro Fluoro Olefin with zero ozone depleting potential, and little global warming potential:Correct. R-1234yf is an HFO with negligible ozone depletion and low global warming potential.
D:R-22 is a Hydro Chloro Carbon with significant ozone depleting potential and significant global warming impact:This statement is incorrect.R-22 is a Hydrochlorofluorocarbon (HCFC), not a Hydro Chloro Carbon.While it does have ozone-depleting potential, its global warming potential is considered moderate, not significant.
E:R-32 and R-134a are Hydro Fluoro Carbons with zero ozone depleting potential, and significant global warming impact:This is correct. Both R-32 and R-134a are HFCs with no ozone depletion potential but have considerable global warming potential.
Conclusion:
The incorrect statement is D. R-22 is a Hydro Chloro Carbon with significant ozone depleting potential and significant global warming impact. Therefore, the correct answer is D.
質問 # 79
How does an enthalpy-based economizer control operate?
正解：C
質問 # 80
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