CEM最新試題 - 新版CEM題庫我們提供的產品是可以100%把你推上成功，那麼IT行業的巔峰離你又近了一步。如果你還沒有通過考試的信心，在這裏向你推薦一個最優秀的參考資料。在上面你可以免費下載我們提供的關於 AEE CEM 題庫的部分考題及答案測驗我們的可靠性。只需要短時間的學習就可以通過考試的最新的 CEM 考古題出現了。選擇最新的 CEM 考題會將對你有很大幫助，你需要考前用考試模擬題隨機做練習，重複做上幾次。 最新的 Energy Management CEM 免費考試真題 (Q17-Q22):問題 #17
How much energy (kJ) is required to heat 2 kg of water from 25°C to 2 kg of water at 100°C? (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)
A. 510 kJ
B. 630 kJ
C. 840 kJ
D. 420 kJ
答案：B
問題 #18
Which of the following is/are benefits of commissioning?
A. Ensures a system is installed to operate as intended
B. Ensures staff know how to maintain a system as intended
C. Ensures a system is designed to operate as intended
D. All of the above
E. Ensures staff know how to operate a system as intended
答案：D
問題 #19
In a typical compressed air system, energy can be saved by which of the following actions?
A. Decreasing supply air pressure
B. Reducing the air distribution pipe size
C. Raising the air pressure
D. Reducing the capacity of the compressed air receiver tanks
E. Move the inlet air filter to a warmer location
答案：A
問題 #20
What is a common cause of poor power quality?
A. Electronic equipment, such as personal computers
B. Natural gas turbine power generation by utilities
C. Incandescent lighting
D. Partially loaded induction motors
E. Synchronous motors
答案：A
問題 #21
How can commissioning reduce the life-cycle cost to owners and operators?
A. Improve the effectiveness of operations and maintenance
B. Improve the satisfaction of building occupants
C. Improve the performance of energy systems
D. All of the above
E. Reduce the cost of change orders during construction