NABCEP Solar Energy Quiz

What is the primary source of solar energy?

• Wind

• The Sun

• Geothermal heat

• Nuclear reactions

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DOK Level 1: Recall

Which component in a photovoltaic system converts direct current (DC) to alternating current (AC)?

• Solar panel

• Inverter

• Charge controller

• Battery

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DOK Level 1: Recall

What is the standard unit of measurement for electrical current?

• Volt

• Watt

• Ampere

• Ohm

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DOK Level 1: Recall

Which of the following is a key principle in designing a photovoltaic system?

• Ensuring maximum shading

• Minimizing energy loss

• Using the smallest possible panels

• Avoiding the use of inverters

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DOK Level 2: Skill/Concept

What is the purpose of grounding in electrical safety standards?

• To increase voltage

• To prevent electrical shock

• To reduce current

• To enhance battery life

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DOK Level 2: Skill/Concept

Which of the following is a best practice during the installation of solar panels?

• Installing panels in shaded areas

• Using non-corrosive mounting hardware

• Avoiding the use of safety gear

• Placing panels at random angles

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DOK Level 2: Skill/Concept

How would you troubleshoot a photovoltaic system that is not generating the expected power output?

• Check for shading on the panels

• Increase the load on the system

• Disconnect the inverter

• Reduce the number of panels

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DOK Level 3: Strategic Thinking

Calculate the power output of a solar panel with a voltage of 20V and a current of 5A.

• 50W

• 100W

• 200W

• 400W

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DOK Level 2: Skill/Concept

Which of the following is a common maintenance task for photovoltaic systems?

• Replacing the solar panels every month

• Cleaning the panels to remove dust and debris

• Disconnecting the system during peak sunlight hours

• Painting the panels to match the roof color

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DOK Level 1: Recall

What is the function of a charge controller in a photovoltaic system?

• To convert AC to DC

• To regulate the voltage and current going to the battery

• To increase the system's voltage

• To store energy

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DOK Level 1: Recall