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Texas STR Certification Exam Updated Guide 100% Correct/ V1/Guaranteed Success
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Texas STR Certification Exam Updated Guide 100% Correct/ V1/Guaranteed Success
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Texas Irrigator License Exam practice test2023 Questions and Answers 100% Verified
Pressure compensating devices help save water because they? -
ANSWER-Help eliminate misting or fogging at the sprinkler
heads
Landscape Irrigation - ANSWER-The art and management of
applying water to landscape in a manner to encourage growth of
plant material and support water conservation
Irrigation sensors - ANSWER-(Measure rain, wind, soil
moisture, and freeze) that save water and eliminate liability
issues concerning ice related accidents during freeing weather
Pressure Regulation Device - ANSWER-Devices which
eliminate misting or fogging at the sprinkler heads, thus
achieving better uniformity and saving water
Hydrozoning - ANSWER-The practice of zoning an irrigation
system based on similar plant material with similar watering
reguirements due to environmental and or geographic influences
,including, but not limited to, soil type, slope, site orientation,
and solar radiation
Licensed landscape irrigators - ANSWER-Responsibility to
educate, promote, support and practice water conservation in the
landscape irrigation industry in order to preserve one of out most
precious resources on earth
Absorption Rate - ANSWER-The speed at which water can
penetrate or infiltrate the soil
Actual Head Pressure - ANSWER-The operating pressure
measured at the base of a sprinkler head.
Actual head pressure formula - ANSWER-(Static pressure) -
(Total pressure lost) = Actual head pressure
air gap - ANSWER-an approved Air gap is the unobstructed
vertical distance through free atmosphere between the lowest
point of a water supply outlet and the flood level rim of the
fixture or assembly into which the outlet discharges. Physical
seperation must be at least twice the diameter of the water
supply outlet but never less than 1"
,Most common air gap? - ANSWER-Kitchen sink
Application Rate (Precipitation rate) - ANSWER-Rate at which
water is applied by sprinkler heads in a certain pattern.
For irrigation contractors, water conservation starts with? -
ANSWER-A great design
Three methods to evaluate application rate - ANSWER-
Densogram, Precipitation rate formulas, Water audit
The proper watering time is early morning because? -
ANSWER-Sprinkler patterns are generally less distorted from
the wind
arc - ANSWER-Degrees of coverage of a sprinkler from one
side of a pattern to the other
The art and management of applying water to the landscape to
encourage the growth of plant material and support water
conservation is? - ANSWER-Landscape Irrigation
Atmospheric Vacuum Breaker (AVB) - ANSWER-Backflow
prevention device that allows air into the piping system, with the
, use of a float that moves up and down, to prevent
backsiphonage.
Cannot be under constant pressure for more than 12 hours in one
24 hour window.
A minimum of 6" higher than all down stream piping.
A separate AVB must be installed on the discharge side of each
control valve, between the valve and all emission devices.
Automatic control valve - ANSWER-An electrical or hydraulic
remote control valve in a sprinkler system which is activated by
an automatic controller
Backflow - ANSWER-An unwanted reversal of the flow of
water in a piping system which can potentially allow non-
potable water to pollute or contaminate the potable water supply.
Backpressure - ANSWER-Any condition that could create
pressure in the discharge side of the piping system that is greater
than that of the supply side of the system.
Backsiphonage - ANSWER-A form of backflow due to negative
or sub-atmospheric pressure within water system.
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