NABCEP PV Installation Professional (PVIP) Board Certification - PVIP FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Which electrical connection requires the use of a torque device to complete the connection per NEC requirements?

A. Crimp-on log to the battery cable B. Soldered splices in a conduit body C. Underground direct-burial twist-on wire connector D. Screw terminals on an ac receptacle outlet

Discussion 0

Correct Answer: A Vote an answer

Question 2

A 20 kW system has a measured output of 18 kW at STC. What is the total system loss?

A. 10% B. 5% C. 20% D. 15%

Discussion 0

Correct Answer: A Vote an answer

Question 3

A racking system is designed for a wind speed of 120 mph. The site's design wind speed increases to 130 mph. What is the percentage increase in wind pressure?

A. 17% B. 10% C. 25% D. 33%

Discussion 0

Correct Answer: A Vote an answer

Question 4

A PV system is designed for a location with a peak sun hours (PSH) value of 4.5. The daily load is 18 kWh, and the system efficiency is 80%. What is the minimum array size required in kW?

A. 4.0 kW B. 7.5 kW C. 5.0 kW D. 6.0 kW

Discussion 0

Correct Answer: C Vote an answer

Question 5

A PV system operates at 800V DC. What is the minimum distance for unqualified personnel per NFPA 70E restricted approach boundary?

A. 10 feet B. 1 foot C. 7 feet D. 3 feet

Discussion 0

Correct Answer: C Vote an answer

Question 6

A module's Voc is 40V at STC. At -5°C with a coefficient of -0.33%/°C, what is the Voc?

A. 42.0V B. 44.0V C. 43.0V D. 45.0V

Discussion 0

Correct Answer: B Vote an answer

Question 7

The NEC requires that PV systems installed on dwellings incorporate which of the following components?

A. Blocking diodes across each module B. A dc ground-fault protect device C. A lockable utility disconnect at the point-of-utility interconnection D. Dc lightning surge arrestors

Discussion 0

Correct Answer: C Vote an answer

Question 8

Most electric service providers require interactive PV equipment to comply with which for interconnection to their distribution grid?

A. UL 16998 B. UL 2703 C. UL 1741 D. UL 60947-1

Discussion 0

Correct Answer: D Vote an answer

Question 9

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. Tagging B. Insulation type C. Placards D. Conduct stickers

Discussion 0

Correct Answer: A Vote an answer

Question 10

When commissioning a PV system, which test is most critical to verify proper operation of the array before connecting to the inverter?

A. Ground-fault detection test B. Open-circuit voltage test C. Insulation resistance test D. Short-circuit current test

Discussion 0

Correct Answer: C Vote an answer

Question 11

Which is a requirement for designated battery rooms?

A. Battery cabinets, racks, or trays must have a minimum clearance of 12 in. from any wall. B. must be equipped with panic hardware and open m the direction of egress. C. Gas pipe equipment must be constructed and installed for a Hazardous Class I location. D. illumination shall be provided by lighting outlets controlled by automated means only.

Discussion 0

Correct Answer: B Vote an answer

Question 12

Which of the following tests measures axial uplift when performing load testing of driven-pile foundation members

A. Resistance to horizontal movement B. Resistance to downward (Sinking force C. Resistance to twisting D. Resistance to withdraw (pull-out) force

Discussion 0

Correct Answer: D Vote an answer

Question 13

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. 10-15% C. 15-20% D. 20-25%

Discussion 0

Correct Answer: B Vote an answer

Question 14

A module's Isc is 9A at STC. At 600 W/m² irradiance, what is the expected Isc?

A. 6.0A B. 6.3A C. 7.2A D. 5.4A

Discussion 0

Correct Answer: D Vote an answer