TEXAS IRRIGATOR LICENSE EXAM PRACTICE TEST | 2026 UPDATE | QUESTIONS
AND ANSWERS | 100% CORRECT.
Correct
Incorrect
1 of 274
Term
What is the water velocity of 1'' 1/2 Class 200 pvc pipe flowing 34 gpm?
Give this one a try later!
3.92 FPS 5.21 FPS
4.83 FPS 4.15 FPS
Don't know?
2 of 274
Term
,How do the members of the irrigator advisory council get their
position?
Give this one a try later!
Pressure regulator 50% spacing
Appointed by the commission Checking for proper operation
Don't know?
3 of 274
Term
Which of the following describes the rate at which water is applied by
sprinkler heads in a certain pattern:
Give this one a try later!
Precipitation rate / and
Infiltration rate / and Coverage rate
Application rate
Evaporation rate / and Absorption
Flow rate / and Distribution rate
rate
Don't know?
, 4 of 274
Definition
Has to be installed 6'' higher than the highest head or outlet in the
retracted position,will not handle constant pressure,and will stop
backsiphonage
Give this one a try later!
A Double Check Valve Assembly Nothing
An Atmospheric Vacuum
A Swing Check Valve
Breaker
Don't know?
5 of 274
Term
The vertical,physical separations,of an air gap, must be:
Give this one a try later!
Equal to the diameter of the water Three times the diameter of the water
supply outlet,but never less than 2 supply outlet,but never less than 0.5
inches inches
, At least twice the diameter of
Half the diameter of the water supply
the water supply outlet,but
outlet,but never less than 3 inches
never less than 1 inch
Don't know?
6 of 274
Term
What is the GPM flowing through lateral line A when zone valve #2 is
operating?
Give this one a try later!
4 GPM 2 GPM
8 GPM 6 GPM
Don't know?
7 of 274
Term
The reuse of water that has been used previously for some other
purpose is called:
AND ANSWERS | 100% CORRECT.
Correct
Incorrect
1 of 274
Term
What is the water velocity of 1'' 1/2 Class 200 pvc pipe flowing 34 gpm?
Give this one a try later!
3.92 FPS 5.21 FPS
4.83 FPS 4.15 FPS
Don't know?
2 of 274
Term
,How do the members of the irrigator advisory council get their
position?
Give this one a try later!
Pressure regulator 50% spacing
Appointed by the commission Checking for proper operation
Don't know?
3 of 274
Term
Which of the following describes the rate at which water is applied by
sprinkler heads in a certain pattern:
Give this one a try later!
Precipitation rate / and
Infiltration rate / and Coverage rate
Application rate
Evaporation rate / and Absorption
Flow rate / and Distribution rate
rate
Don't know?
, 4 of 274
Definition
Has to be installed 6'' higher than the highest head or outlet in the
retracted position,will not handle constant pressure,and will stop
backsiphonage
Give this one a try later!
A Double Check Valve Assembly Nothing
An Atmospheric Vacuum
A Swing Check Valve
Breaker
Don't know?
5 of 274
Term
The vertical,physical separations,of an air gap, must be:
Give this one a try later!
Equal to the diameter of the water Three times the diameter of the water
supply outlet,but never less than 2 supply outlet,but never less than 0.5
inches inches
, At least twice the diameter of
Half the diameter of the water supply
the water supply outlet,but
outlet,but never less than 3 inches
never less than 1 inch
Don't know?
6 of 274
Term
What is the GPM flowing through lateral line A when zone valve #2 is
operating?
Give this one a try later!
4 GPM 2 GPM
8 GPM 6 GPM
Don't know?
7 of 274
Term
The reuse of water that has been used previously for some other
purpose is called:
