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Solar-Powered Livestock Watering Systems


Quiz Questions

1. A solar-powered water pumping system is made up of ____________________ basic components.
Two
Three
2. The ___________________ element of a PV panel is the solar cell.
Smallest
Biggest
3. Each solar cell has two or more specially prepared layers of semiconductor material that produce direct current (DC) electricity when exposed to light.
True
False
4. Conventional pumps require steady AC current that utility lines or generators supply.
True
False
5. Many solar pumping systems use _________________ that seal water in cavities inside the pump and force it upward.
Positive displacement pumps
Negative displacement pumps
6. There are two basic types of solar-powered water pumping systems, battery-coupled and direct-coupled.
True
False
7. Direct-coupled water pumping systems consist of photovoltaic (PV) panels, charge control regulator, batteries, pump controller, pressure switch and tank and DC water pump.
True
False
8. Direct-coupled pumping systems are sized to store extra water on sunny days so it is available on cloudy days and at night.
True
False
9. The efficiency of a direct-coupled water pumping system is _______________ to the match between the pump and the PV system.
Sensitive
Not Sensitive
10. The desired tilt angle in solar panels for optimum summer use is _____________ & winter use it is ______________.
45 degrees & 25 degrees
25 degrees & 45 degrees