최신 NABCEP Board PVIP 무료샘플문제:
1. Most electric service providers require interactive PV equipment to comply with which for interconnection to their distribution grid?
A) UL 1741
B) UL 2703
C) UL 60947-1
D) UL 16998
2. The AHJ for enforcement of the NEC has which responsibility?
A) Approval equipment installation methods for efficiency, convenience, and adequacy for good service
B) Inspecting factory-installed wire and equipment construction methods
C) Making interpretations of the rules and deciding on approval of equipment and material
D) Inspecting installations under the exclusive control of the electric utility
3. A maintenance inspection reveals cracked module glass. What is the immediate action?
A) Disconnect the string
B) Replace the module
C) Monitor performance
D) Apply sealant to cracks
4. A homeowner is concerned that a 6kWdc PV system might be experiencing a performance issue. The homeowner has noticed what appears to be declining production. The installer analyzes the following data acquisition system (DAS) results for each year since the installation:
Given the data, which is the MOST likely conclusion to draw?
A) The system has experienced above-average degradation and a module warranty claim should be explored.
B) There is an intermittent inverter failure that is causing production to be lower than expected and the inverter should be repaired.
C) A combination of normal module degradation combined with cloudy weather has caused lower output in the past few years.
D) There is a problem with the DAS because the peak sun hours do not correlate with production values and the das should be repaired.
5. A bifacial PV module has a rated power of 350W on the front side and a bifaciality factor of 70%. If the rear side receives 200 W/m² of irradiance, what is the total power output under STC front-side conditions (1000 W
/m²)?
A) 490W
B) 449W
C) 420W
D) 385W
질문과 대답:
| 질문 # 1 정답: C | 질문 # 2 정답: C | 질문 # 3 정답: B | 질문 # 4 정답: C | 질문 # 5 정답: B |
985 개 고객 리뷰
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