| 1. |
An isolation valve is required between the water meter and the backflow prevention device. This will allow the irrigation system to be turned off while water to any structure would not be interrupted. |
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True |
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False |
| 2. |
If a hose bib is connected to an irrigation system, the hose bib must be installed using a quick coupler key installed in a covered purple valve box. The hose bib and hoses connected to it must be labeled non-potable, not safe for drinking. An isolation valve must be installed upstream of a quick coupler. |
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True |
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False |
| 3. |
Any trenches or holes created during the ____________of an irrigation system must be returned to the original grade with compacted select backfill. |
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Maintenance |
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Service |
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Repair |
| 4. |
Colored __________ pipe primer must be used on pipes and fittings. |
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PVC |
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PCV |
| 5. |
If an irrigation system is connected to a potable water supply and the main line of the system must be opened to the atmosphere at any point prior to the discharge side of the irrigation zone control valve, then the system need not necessarily be connected via an approved, properly installed backflow prevention method. |
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True |
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False |
| 6. |
A homeowner may install an irrigation system at a building or on premises owned or occupied by the owner as the owner’s home. |
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True |
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False |
| 7. |
A homeowner or property owner who installs an irrigation system must meet the standards for spacing, water pressure, a rain, an isolation valve and for not spraying water over impervious materials. |
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True |
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False |
| 8. |
An irrigator is not required to prepare an irrigation plan for the maintenance, alteration, repair or service to a homeowner-installed system. |
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True |
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False |
| 9. |
Reclaimed water is ______________wastewater that has been treated to a quality suitable for beneficial use, such as landscape irrigation |
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Domestic |
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Municipal |
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Either of the two |
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Neither of the two |
| 10. |
A double check valve backflow prevention device can be used if the local water purveyor prohibits it. |
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True |
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False |
| 11. |
A double check valve backflow prevention device can be installed belowground when a y-type strainer is installed on the inlet side of the double check valve. |
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True |
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False |
| 12. |
Irrigators cannot engage in any landscape irrigation services without physical possession of a seal and a license. The irrigator is responsible for the security of the seal. And the seal must be circular and not less than 1½ inches in diameter. |
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True |
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False |
| 13. |
A complete physical separation between the free-flowing discharge end of a potable water supply pipeline and an open or non-pressure receiving vessel is called an ______________. |
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Vacuum gap |
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Air gap |
| 14. |
An assembly containing an independently operating, internally loaded check valve and an independently operating loaded air inlet valve located on the discharge side of the check valve is called a _____________________. |
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Pressure vacuum breaker |
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Pressure vacuum breaker back-siphonage prevention assembly |
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Both |
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Neither |
| 15. |
Impervious surface is also known as a hardscape. |
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True |
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False |
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