TEXAS LANDSCAPE IRRIGATION EXAM LATEST /2025
QUESTIONS AND CORRECT ANSWERS(100%
CORRECT VERIFIED ANSWERS)ALREADY GRADED A+
Pressure compensating devices help save water because they? - ✔✔ANSW✔✔..Help
eliminate misting or fogging at the sprinkler heads
Landscape Irrigation - ✔✔ANSW✔✔..The art and management of applying water to
landscape in a manner to encourage growth of plant material and support water
conservation
Irrigation sensors - ✔✔ANSW✔✔..(Measure rain, wind, soil moisture, and freeze) that
save water and eliminate liability issues concerning ice related accidents during freeing
weather
Pressure Regulation Device - ✔✔ANSW✔✔..Devices which eliminate misting or fogging
at the sprinkler heads, thus achieving better uniformity and saving water
Hydrozoning - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..The speed at which water can penetrate or infiltrate
the soil
Actual Head Pressure - ✔✔ANSW✔✔..The operating pressure measured at the base of
a sprinkler head.
Actual head pressure formula - ✔✔ANSW✔✔..(Static pressure) - (Total pressure lost) =
Actual head pressure
air gap - ✔✔ANSW✔✔..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? - ✔✔ANSW✔✔..Kitchen sink
Application Rate (Precipitation rate) - ✔✔ANSW✔✔..Rate at which water is applied by
sprinkler heads in a certain pattern.
For irrigation contractors, water conservation starts with? - ✔✔ANSW✔✔..A great
design
Three methods to evaluate application rate - ✔✔ANSW✔✔..Densogram, Precipitation
rate formulas, Water audit
The proper watering time is early morning because? - ✔✔ANSW✔✔..Sprinkler patterns
are generally less distorted from the wind
arc - ✔✔ANSW✔✔..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? - ✔✔ANSW✔✔..Landscape Irrigation
Atmospheric Vacuum Breaker (AVB) - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..An electrical or hydraulic remote control valve
in a sprinkler system which is activated by an automatic controller
Backflow - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..A form of backflow due to negative or sub-atmospheric
pressure within water system.
QUESTIONS AND CORRECT ANSWERS(100%
CORRECT VERIFIED ANSWERS)ALREADY GRADED A+
Pressure compensating devices help save water because they? - ✔✔ANSW✔✔..Help
eliminate misting or fogging at the sprinkler heads
Landscape Irrigation - ✔✔ANSW✔✔..The art and management of applying water to
landscape in a manner to encourage growth of plant material and support water
conservation
Irrigation sensors - ✔✔ANSW✔✔..(Measure rain, wind, soil moisture, and freeze) that
save water and eliminate liability issues concerning ice related accidents during freeing
weather
Pressure Regulation Device - ✔✔ANSW✔✔..Devices which eliminate misting or fogging
at the sprinkler heads, thus achieving better uniformity and saving water
Hydrozoning - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..The speed at which water can penetrate or infiltrate
the soil
Actual Head Pressure - ✔✔ANSW✔✔..The operating pressure measured at the base of
a sprinkler head.
Actual head pressure formula - ✔✔ANSW✔✔..(Static pressure) - (Total pressure lost) =
Actual head pressure
air gap - ✔✔ANSW✔✔..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? - ✔✔ANSW✔✔..Kitchen sink
Application Rate (Precipitation rate) - ✔✔ANSW✔✔..Rate at which water is applied by
sprinkler heads in a certain pattern.
For irrigation contractors, water conservation starts with? - ✔✔ANSW✔✔..A great
design
Three methods to evaluate application rate - ✔✔ANSW✔✔..Densogram, Precipitation
rate formulas, Water audit
The proper watering time is early morning because? - ✔✔ANSW✔✔..Sprinkler patterns
are generally less distorted from the wind
arc - ✔✔ANSW✔✔..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? - ✔✔ANSW✔✔..Landscape Irrigation
Atmospheric Vacuum Breaker (AVB) - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..An electrical or hydraulic remote control valve
in a sprinkler system which is activated by an automatic controller
Backflow - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..A form of backflow due to negative or sub-atmospheric
pressure within water system.
