Free NABCEP PVIP Exam Dumps Questions & Answers

A site has an average wind speed of 25 mph and is classified as Exposure Category C per ASCE 7. What is the minimum wind design speed for the PV array structure?

• A.  110 mph
• B.  150 mph
• C.  90 mph
• D.  130 mph

A system's specific yield is 1500 kWh/kW. If the array is 8 kW, what is the annual output?

• A.  16,000 kWh
• B.  14,000 kWh
• C.  12,000 kWh
• D.  10,000 kWh

During commissioning, a PV system's measured Voc is 10% lower than expected. What is the most likely cause?

• A.  High ambient temperature
• B.  Shading on one module
• C.  Inverter malfunction
• D.  Open circuit in a string

A PV system has a nameplate capacity of 10 kW DC and operates with a total system derate factor of 0.85.
What is the expected AC output power under standard test conditions (STC)?

• A.  8.5 kW
• B.  7.5 kW
• C.  9.0 kW
• D.  10.0 kW

A PV array's tilt is 30° at a latitude of 40°N. What is the winter energy loss compared to optimal tilt?

• A.  5-10%
• B.  20-25%
• C.  15-20%
• D.  10-15%