You may answer each question as many times as necessary to obtain the correct answer. You must answer ALL questions.Your progress will be tracked automatically. No scores are kept or recorded. When you have successfully completed the quiz your county Master Gardener Coordinator will receive notification that you have completed the Earth Kind Advanced Training program.
If you have questions concerning the educational material please contact your county extension office.
An audit of the irrigation system has been shown to be the ___________ tool for maximizing water use efficiency in the landscape.
Most effective
Most costly
Most frequently used
Most time consuming
Irrigation audits consist of three main activities: Site inspection, Performance testing and ___________
System repair
Irrigation scheduling
Water quality testing
Landscape plant evaluation
In the absence of a _____________, minor operation and performance problems can continue for months resulting in excessive water use, reduced efficiency and decreased plant performance.
Trained professional
Site inspection
Regular maintenance program
Water quality analysis
In order to compensate for poor _______________, an irrigation system is often set to operate longer, which in turn over waters most of the landscape.
Plant selection
Uniformity
Quality components
Water Quality
______________ is generally caused by insufficient static pressure and/or pressure losses through valves, meters, piping, too many heads or other components of the irrigation system.
Low water pressure
High water pressure
Variable water pressure
System failure
Visual indications of low water pressure include_____________________.
Misting of water
Large water droplets
Short sprinkler throw
B and C
High pressure is generally characterized by ________________________
Excessive misting of water
Water that easily evaporates
Water that is easily blown by the wind
All of the above
Manufacturers describe flow rate in gallons per minute and precipitation rate in ____________.
Gallons per minute
Inches per hour
Gallons per hour
Inches per minute
For irrigation scheduling purposes, the most accurate determination of precipitation rate is achieved by _____________________.
Watching for runoff
Watching for plants to wilt
Watching the weather forecast
Conducting a catch can test
Determining when to irrigate should be based upon the ______________________.