Three Easy-to-Use NABCEP PVIP Exam Questions Formats

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NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions (Q39-Q44):

NEW QUESTION # 39
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. There is an intermittent inverter failure that is causing production to be lower than expected and the inverter should be repaired.
B. A combination of normal module degradation combined with cloudy weather has caused lower output in the past few years.
C. There is a problem with the DAS because the peak sun hours do not correlate with production values and the das should be repaired.
D. The system has experienced above-average degradation and a module warranty claim should be explored.

Answer: B

NEW QUESTION # 40
A microinverter system uses 30 modules, each rated at 320W, with an inverter efficiency of 96%. The AC output is connected to a 208V three-phase service. What is the total three-phase power output?

A. 10.0 kW
B. 9.6 kW
C. 9.2 kW
D. 8.8 kW

Answer: C

NEW QUESTION # 41
A system's specific yield is 1500 kWh/kW. If the array is 8 kW, what is the annual output?

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

Answer: C

NEW QUESTION # 42
A PV connection is being made at the center of a 300 ft. long 200 feeder. See the attack diagram. The feeder originates in the upper third of the 800A main service panel (800A main breaker) with a 200A breaker and terminates in a 200A main-lug-only subpanel. The rated output of the PV system inverter is 100A.

Which are the NIMUMUM actions required to achieve an NEC-compliant installation?

A. Install a 200A breaker at the PV source connection point on the portion of the feeder toward the subpanel, maintain the capacity of the entire feeder, and move the 200A breaker to the bottom of the main service panel, away from the 800A main breaker.
B. Install a 325A at the PV source connection point on the portion of the feeder toward the subpanel, increase the capacity of this portion of the feeder to 325A, add a 200A main breaker to the subpanel, and move the 200A breaker to bottom of the main service panel, away from the 800A main breaker.
C. Install a 325A breaker at the PV source connection point on the portion of the feeder toward the subpanel. Increase the capacity of the feeder from the main panel board to 325A breaker to the bottom of the main service panel, away from the 800 main breaker.
D. Install a 200A breaker at the PV source connection point on the portion on the portion of the feeder toward the subpanel and move the 200A breaker to the top of the main service panel, adjust to the 800A main breaker.

Answer: C

NEW QUESTION # 43
An installer is using ½ in lag boits to secure roof-monitoring hardware to rafters through a roof deck. Which of the following should the installer predrill?

A. A pilot hole one-fourth the length of the bolt
B. A pilot hole one-half the length of the bolt
C. A 1/8 in, pilot hole through the roof into the rafter
D. A 5/16 in pilot hole through the roof into the rafter

Answer: D

NEW QUESTION # 44
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Three Easy-to-Use NABCEP PVIP Exam Questions Formats

PVIP Online Exam - Vce PVIP Download

NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions (Q39-Q44):

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