Texas Irrigator Practice Test Section 2

Texas Irrigator Practice Test Section 2 A properly designed irrigation system can: a). Save water, time, and money b). Save installation time c). Cost more d). Last longer a). Save water, time, and money When calculating the available water capacity of an irrigation site, irrigators refer to that amount in: a). Precipitation rates b). Infiltration rates c). GPM d). GPH c). GPM When using drip irrigation, the water volume of individual drip emitters is generally expressed in: a). GPM b). Gallons per scheduled event c). GPH d). Gallons per day c). GPH If the plant watering requirement is .5 for a week, precipitation rate is .75, how many minutes of watering will be needed per week? a). 40 minutes b). 15 minutes c). 67 minutes d). 1.5 hours a). 40 minutes Run Time (RT)=.5 (plant requirement)/.75 (precipitation rate) x 60= 40 minutes The science of applying the required amount of water to promote or maintain the healthy growth of plant material or turf is: a). Irrigation system b). Scheduling c). Landscape irrigation d). Watering c). Landscape irrigation What is required upon completion of an irrigation system? a). Final walk-through b). Maintenance checklist c). A permanent sticker affixed to the controller d). An as-built plan e). All of the above e). All of the above Upon completion of an irrigation system, the irrigation contractor must furnish the owner with: a). A service contract for 3 years b). A service contract for 1 year c). A written warranty covering materials and labor d). A written warranty for 10 years c). A written warranty covering materials and labor When two, or more, valves are located in the same location or valve box, it is referred to as: a). Stacking b). A Manifold c). Grouping d). Uniformity b). A Manifold The TCEQ refers to: a). Texas Commission of Equality b). Texas Commerce of Equal Quality c). Texas Commission on Water Quality d). Texas Commission on Environmental Quality d). Texas Commission on Environmental Quality A licensed irrigator can: a). Sell, design, consult regarding installs, maintenance, alterations, repairs, services b). Sell, design, consult regarding installs, maintenance, landscapes, alterations, repairs, services c). Only design an irrigation system d). Only install an irrigation system a). Sell, design, consult regarding installs, maintenance, alterations, repairs, services What more can a licensed irrigator do than a licensed technician? a). Sell, landscape, and consult b). Alter and repairs systems c). Sell, design, and consult d). Test the backflow c). Sell, design, and consult Sprinkler heads cannot be placed closer to the hardscape than: a). 4 inches b). 2 inches c). 6 inches d). 12 inches e). None of the above a). 4 inches What is the minimum distance of turf (between the street and the sidewalk) that you can use above-ground spray emission devices: a). 18 inches b). 24 inches c). 60 inches d). 48 inches d). 48 inches An irrigator is required to maintain records of irrigation installations for a period of: a). 7 years b). 5 years c). 3 years d). 1 year c). 3 years A licensed irrigator inspector cannot engage in irrigation services that include: a). Selling b). Designing c). Installing c). Repairing d). All of the above d). All of the above Landscape irrigation, as we know it, has been around since: a). The 1930's b). Since the development of PVC pipe c). The beginning of time d). The turn of the 20th century d). The turn of the 20th century The issue of top priority in irrigation today is: a). How to sell more systems in our present economy b). New technology in backflow protection c). Water conservation d). City and State regulations on licensing c). Water conservation The shortage of water is a result of: a). Water being a fixed resource b). A decrease in the population c). A decrease in water usage per person d). Larger sprinkler heads a). Water being a fixed resource Pressure compensating devices help save water because they: a). Keep the water pressure high enough for good coverage b). Compensate for the lack of a good design c). Help eliminate misting or fogging at the sprinkler heads d). Allow for fewer heads, thus less water used c). Help eliminate misting or fogging at the sprinkler heads Water conservation (with irrigators) starts with: a). The proper backflow device b). A great design c) A city permit d). The city irrigation regulations b). A great design For an irrigation system to work, actual head pressure has to be: a). Less than minimum head pressure b). Equal to minimum head pressure c). Greater than minimum head pressure d). Equal to, or greater than minimum head pressure d). Equal to, or greater than minimum head pressure Which of the following describes the rate at which water is applied by sprinkler heads in a certain pattern: a). Precipitation rate b). Infiltration rate c). Application rate d). Percolation rate e). A & C e). A & C Absorption Rate is defined as: a). How fast the water can be absorbed in the atmosphere b). Rate of water applied by sprinkler heads c). Application rate d). Rate at which soil will accept water d). Rate at which soil will accept water Static Pressure minus total pressure losses equals: a). Design pressure b). Actual head pressure c). Minimum head pressure d). Pressure to design to b). Actual head pressure The arc is defined as the: a). Application rate b). Percolation rate c). The trajectory of sprinkler heads d). Degrees of coverage of a sprinkler from one side of a pattern to the other side. d). Degrees of coverage of a sprinkler from one side of a pattern to the other side. A timing device which signals the automatic valves to open or close is called: a). An Irrigation timer b). A Clock c). An Irrigation controller d). All of the above d). All of the above A device used to turn a quick coupler valve on and off is: a). A sprinkler key b). A quick coupler key c). A faucet handle d). A solenoid b). A quick coupler key Design pressure is: a). Static pressure plus the total of all pressure losses