Your current solar and basics of electricity, knowledge self-assessment test
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Question 1 of 20
1. Question
What term is used to indicate the net present cost of electricity generation for a generating plant over its lifetime? Effectively, the cost per kWh over the lifetime of the plant in today’s terms.
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Question 2 of 20
2. Question
At an average of 15 USD cents per kilo Watt-hour, Levelized cost of energy, the cheapest form of energy generation currently is:_____________
Hint: Multiple answers can be right.
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Question 3 of 20
3. Question
The potential difference between two points in a circuit is measured in which units?
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Question 4 of 20
4. Question
What is the unit that electrical current is measured in?
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Question 5 of 20
5. Question
DC Power is calculated in an electrical circuit by multiplying current with.
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Question 6 of 20
6. Question
Energy is calculated in and electrical circuit by multiplying power with.
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Question 7 of 20
7. Question
The amount of power that an inverter can supply at once is measured in:
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Question 8 of 20
8. Question
The amount of energy that can be stored in a battery is measured in:
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Question 9 of 20
9. Question
If a 400W Solar panel is connected to a charge controller and connects to a 48 V battery bank it will supply 8.3 A. How much current will flow if it is connected to a 12V battery bank?
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Question 10 of 20
10. Question
If 4 x 12 Volt batteries are connected in parallel with each other, what is the total voltage that will be measured across battery bank?
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Question 11 of 20
11. Question
If 4 x 40 Volt solar panels are connected in series with each other, and one panel goes permanently into short circuit, what is the total voltage that will be measured across the string of solar panels?
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Question 12 of 20
12. Question
The main function of a charge controller in a DC-based solar power is.
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Question 13 of 20
13. Question
What is the approximate efficiency of a Mono-Crystalline solar module?
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Question 14 of 20
14. Question
What is the Energy Payback time typically of a solar panel manufactured in China and used in Africa.
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Question 15 of 20
15. Question
which of the following types of solar systems requires battery storage?
Hint: Multiple answers can be right.
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Question 16 of 20
16. Question
In which unit is irradiance measured?
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Question 17 of 20
17. Question
Peak sun hours are the number of hours that the sun shines per day.
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Question 18 of 20
18. Question
In what units is a solar system’s specific yield measured?
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Question 19 of 20
19. Question
How is the inclination angle of a solar panel measured?
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Question 20 of 20
20. Question
A rule of thumb is to mount modules facing the Equator at an angle equal to the site’s latitude plus ___ Degrees.