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Section II: Installation - Texas Irrigator Exam
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Section II: Installation - Texas Irrigator Exam
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Section II: Installation - TexasIrrigator Exam
A properly designed irrigation system can: - -Save water, time, and money
-When calculating the available water capacity of an irrigation site, irrigators
refer to that amount in: - -GPM
-If the plant watering requirement is .5 for a week, precipitation rate is .75,
how many minutes of watering will be needed per week? - -40 minutes
Formula for Runtime
.5/.75=?x60=
-When using drip irrigation, the water volume of the individual drip emitters
is generally expressed in: - -GPH
-The science of applying the required amount of water to promote or
maintain the healthy growth of plant material or turf is: - -Landscape
Irrigation
-What is required upon completion of an irrigation system - -Final walk-
through
Maintenance Checklist
A permanent sticker affixed to the controller
An as-built plan
-Upon completion of an irrigation system, the irrigation contractor must
furnish the owner with: - -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 Manifold
-The TCEQ refers to: - -Texas Commission on Environmental Quality
-A licensed irrigator can: - -Sell, design, consult regarding installs,
maintenance, alterations, repairs, services
-What more can a licensed irrigator do than a licensed technician? - -Sell,
design and consult
-Sprinkler heads cannot be placed closer to the hardscape than:
Hardscape meaning sidewalk or house - -4 inches
, -What is the minimum distance of turf (between the street and the sidewalk)
that you can use above-ground spray emission devices: - -48 inches or 4
feet
-An irrigator is required to maintain records of irrigation installations for a
period of: - -3 years
-A licensed irrigator inspector cannot engage in irrigation services that
include: - -Selling, designing, installing or repairing
-Landscape irrigation, as we know it, has been around since: - -The turn of
the 20th century
-The issue of top priority in irrigation today is: - -Water conservation
-The shortage of water is a result of: - -Water being a fixed resource
-Pressure compensating devices help save water because they: - -Help
eliminate misting or fogging at the sprinkler heads
-Water conservation (with irrigators) starts with: - -A great design
-For an irrigation system to work, actual head pressure has to be: - -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: - -Precipitation rate / Application rate
-Absorption Rate is defined as: - -Rate at which soil will accept water
-Static Pressure minus total pressure losses equals: - -Actual head pressure
-The arc is defined as the: - -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: - -An irrigation timer
A clock
An irrigation controller
-A device used to turn a quick coupler valve on and off is: - -A quick coupler
key
-Design pressure is: - -Minimum head pressure plus the total of all pressure
losses
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