최신 Energy Management CEM 무료샘플문제:
1. A new energy-efficient boiler costs $60,890 to buy and install. The new energy-efficient boiler will save
$15,400 per year and last for 20 years. What is the internal rate of return (IRR) of the project?
A) 10%
B) 25%
C) 15%
D) 30%
E) 20%
2. Which of the following is/are benefits of commissioning?
A) All of the above
B) Ensures staff know how to maintain a system as intended
C) Ensures a system is installed to operate as intended
D) Ensures staff know how to operate a system as intended
E) Ensures a system is designed to operate as intended
3. In a PID control system, what is the purpose of the Proportional Gain?
A) Control point
B) Senses high load rate
C) Reduces/eliminates offset
D) Reacts to change
4. How can you tell if steam traps in a steam distribution system may NOT be working correctly?
A) All of the above
B) Robust flash steam rising from condensate receiver tank vent pipes
C) An increase in make-up water requirements relative to steam demand
D) No sound from inverted bucket steam traps
E) Rapid chattering of disk steam traps
5. An office building is illuminated with T8 fluorescent lamps. Which of the following is the best schedule for group relamping (total replacement of all the T8 fluorescent lamps in the building)?
A) When you reach 70% of the rated lamp life
B) Every 4 years
C) When the building owner changes
D) When 25% of the lamps have failed
E) When 20% of the ballasts have failed
질문과 대답:
| 질문 # 1 정답: E | 질문 # 2 정답: A | 질문 # 3 정답: D | 질문 # 4 정답: A | 질문 # 5 정답: A |
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