NABCEP PVIP pass test : PV Installation Professional (PVIP) Board Certification

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NABCEP PVIP Exam Syllabus Topics:

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

1. Which of the following is an NEC-indicate means to identify PV source and output circuits at accessible points of termination connection, and splices?

A) Conduct stickers
B) Insulation type
C) Tagging
D) Placards

2. A PV system is installed in a location with an average annual ambient temperature of 30°C. If the module's NOCT (Nominal Operating Cell Temperature) is 45°C, what is the expected cell temperature under standard operating conditions (800 W/m² irradiance)?

A) 60°C
B) 50°C
C) 45°C
D) 55°C

3. An installer has decided to use 31 in. long. 3.1/2 in diameter conical ground screws as the footings for a 3.840 W solar electric system. Access to he is too difficult to pour concrete footings. The soll is classified as sandy loam. The design wind speed is 90 mph with an uplift force of 32 ibs/ft2. What is the MINIMUM number of screw required to resist uplift loads?

A) 8
B) 10
C) 12
D) 14

4. A 15 kW system has a total derate factor of 0.87. After 3 years at 1% degradation/year, what is the output?

A) 12.8 kW
B) 13.0 kW
C) 13.2 kW
D) 12.6 kW

5. A PV system produces 12,000 kWh annually at a site with 1500 kWh/m²/year insolation. The array area is 50 m². What is the system efficiency?

A) 16%
B) 14%
C) 12%
D) 18%

Solutions: