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NABCEP PVIP Exam Syllabus Topics:

NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:

1. A ground-mount PV system is planned for a site with a soil bearing capacity of 2000 psf. The array footing design requires a minimum bearing pressure of 1500 psf. What is the safety factor for this installation?

A) 2.0
B) 0.75
C) 1.33
D) 1.5

2. A PV array is installed on a sloped roof with a 6:12 pitch. What is the minimum fastener pullout strength required if the uplift force is 200 lbs per attachment point?

A) 400 lbs
B) 200 lbs
C) 600 lbs
D) 300 lbs

3. A PV output circuit requires a disconnecting means per NEC 690.13. Where must it be located?

A) Within sight of the inverter
B) At the point of interconnection
C) At the main service panel
D) Within 10 feet of the array

4. 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) 130 mph
B) 90 mph
C) 110 mph
D) 150 mph

5. 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%

Solutions: