TEXAS IRRIGATOR EXAM 2026-2027
QUESTIONS AND CORRECT ANSWERS
GRADED A+
Sprinkler heads that are more suitable to larger,more open landscape areas are:
Rotary heads
To get matched precipitation, with gear-driven rotary heads ,you must select and
match the correct nozzles from the:
Nozzle tree
Bubblers would need to be installed in an area that is:
Level and bordered
The slow application of water directly to the root zone,using very low pressure,is
referred to as:
Drip irrigation
A filter,flush valve,and pressure regulator would typically be used with:
Drip irrigation
,What is not an advantage of drip irrigation?
Checking for proper operation
A drain valve will help protect the irrigation system from:
Pipe freezing and breaking
What does a check valve do?
Allows water to go in only one direction
PVC pipe:
Is not UV resistant
What is PVC pipe that is classified by its working pressure?
Class pipe
What are some characteristics of poly pipe?
UV resistant / Flexible/ Used with drip irrigation/ Connected with insert fittings
(ALL the above)
,What types of copper pipe are available and which has the heaviest wall thickness?
K,L,and M with K having the heaviest wall thickness
How is the smoothness on the inside of the pipe rated?
C-Factor
What device would be used if the pressure in a system is to high?
Pressure regulator
suitable for small to medium landscape areas are:
Spray heads
What are three accepted means to control pressure in the heads?
Pressure regulator,Pressure compensating device, and the valve flow control
ET based controllers regulate the irrigation schedule based on what?
Evaporation,
Transpiration,
Evapotranspiration, (A,B,and C)answer
, If your watering 30 minutes three times a week and are having a run-off problem,
how can this be solved?
Water 10 minutes, three times a day, three times a week
To save water and prevent liabilty issue to possible injuries from accidents
involving ice,what type of sensor would you use?
Freeze
How many members,licensed irrigators,and members that are representatives of the
public does the irrigator advisory council have?
9, 6, and 3
Wiring must:
(A)Be buried with a minimum of 6 inches of backfill (B)UL listed for direct
underground burial
answer is A&B
Written contracts and bills to install irrigation systems must include the statement:
''Irrigation in Texas is regulated by the Texas Commision on Environmental
Quality,P.O Box 13087,Austin, Texas 78711-3087.''
QUESTIONS AND CORRECT ANSWERS
GRADED A+
Sprinkler heads that are more suitable to larger,more open landscape areas are:
Rotary heads
To get matched precipitation, with gear-driven rotary heads ,you must select and
match the correct nozzles from the:
Nozzle tree
Bubblers would need to be installed in an area that is:
Level and bordered
The slow application of water directly to the root zone,using very low pressure,is
referred to as:
Drip irrigation
A filter,flush valve,and pressure regulator would typically be used with:
Drip irrigation
,What is not an advantage of drip irrigation?
Checking for proper operation
A drain valve will help protect the irrigation system from:
Pipe freezing and breaking
What does a check valve do?
Allows water to go in only one direction
PVC pipe:
Is not UV resistant
What is PVC pipe that is classified by its working pressure?
Class pipe
What are some characteristics of poly pipe?
UV resistant / Flexible/ Used with drip irrigation/ Connected with insert fittings
(ALL the above)
,What types of copper pipe are available and which has the heaviest wall thickness?
K,L,and M with K having the heaviest wall thickness
How is the smoothness on the inside of the pipe rated?
C-Factor
What device would be used if the pressure in a system is to high?
Pressure regulator
suitable for small to medium landscape areas are:
Spray heads
What are three accepted means to control pressure in the heads?
Pressure regulator,Pressure compensating device, and the valve flow control
ET based controllers regulate the irrigation schedule based on what?
Evaporation,
Transpiration,
Evapotranspiration, (A,B,and C)answer
, If your watering 30 minutes three times a week and are having a run-off problem,
how can this be solved?
Water 10 minutes, three times a day, three times a week
To save water and prevent liabilty issue to possible injuries from accidents
involving ice,what type of sensor would you use?
Freeze
How many members,licensed irrigators,and members that are representatives of the
public does the irrigator advisory council have?
9, 6, and 3
Wiring must:
(A)Be buried with a minimum of 6 inches of backfill (B)UL listed for direct
underground burial
answer is A&B
Written contracts and bills to install irrigation systems must include the statement:
''Irrigation in Texas is regulated by the Texas Commision on Environmental
Quality,P.O Box 13087,Austin, Texas 78711-3087.''
