57101-11 Introduction to Solar Photovoltaics Study Guide Exam And Actual Answers.
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Course
Solar PV Engineering and Installation
Institution
Solar PV Engineering And Installation
The average solar irradiance is _______. - Answer 1,000 W/m2
The organization that certifies PV installers is _______. - Answer NABCEP
The default azimuth angle for locations in the northern hemisphere is _______. - Answer 180 degrees
A PV cell is a type of ______. - Answer A s...
57101-11 Introduction to Solar
Photovoltaics Study Guide Exam And
Actual Answers.
The average solar irradiance is _______. - Answer 1,000 W/m2
The organization that certifies PV installers is _______. - Answer NABCEP
The default azimuth angle for locations in the northern hemisphere is _______. - Answer 180 degrees
A PV cell is a type of ______. - Answer A semiconductor
What is the voltage when the current is 20A and the resistance is 12 ohms? - Answer 240 volts
Which of the following is an example of a direct-drive standalone system? - Answer A DC-powered
irrigation system
Which of the following is true regarding a grid-interactive system? - Answer It provides power when
there is a grid outage.
What is the resistance when the voltage is 120V and the amperage is 5A? - Answer 24 ohms
Which of the following is true regarding parallel circuits? - Answer A parallel circuit provides multiple
paths for current flow.
What is the power when the current is 20A and the voltage is 120V? - Answer 2,400 watts
Wiring solar panels in series _____. - Answer increases the voltage but does not affect the amperage.
, Wiring two 20v/5A solar panels in parallel produces _____. - Answer 20V/10A
Which of the following months would be likely to have the lowest insolation values? - Answer
December
The peak sun hours for a site receiving 1,000 W/m2 for three hours and 900 W/m2 for five hours is
______. - Answer 7.5 hours
Which of the following is typically considered a BOS component? - Answer Wiring
What is the panel operating temperature under Standard Test Conditions? - Answer 25*C (77*F)
Which of the following statements is true regarding PV power? - Answer PV systems help to offset
power use during peak demand periods.
Which of the following PV cells is likely to have the highest efficiency? - Answer Monocrystalline
Which of the following is often the result of repeated temperature cycling? - Answer Burnt terminals
Which of the following covers specific PV system components? - Answer UL Standard 1703
Each battery cell produces ______. - Answer 2V
A 80 Ah battery from which 40 Ah has been withdrawn has undergone a DOD of _____. - Answer 50%
Per NEC Section 690.71(B)(1), residential PV batteries connected in series are limited to ________. -
Answer 48V
What is the effect of temperature on irradiance? - Answer The irradiance decreases by 50% for every
ten-degree temperature increase.
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