TCEQ IRRIGATION SCRIPTED SET ANSWERS AND
QUESTIONS SET A+
✔✔Sprinkler heads that throw a uniform sheet of water in a fixed or adjustable pattern ,
and are more suitable for small to medium landscape areas are : - ✔✔Spray heads
✔✔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 nozzle 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 : Wasting - ✔✔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
, ✔✔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 too high ? - ✔✔Pressure
regulator
✔✔What are the three accepted means to control pressure in the heads ? -
✔✔Pressure regulator,Pressure compensating devices and the valve flow
✔✔ET - based controllers regulate the irrigation schedule based on what ? -
✔✔Evaporation, Transpiration,and Evapotranspiration
✔✔If you are 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 liability issues due 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 : - ✔✔Be buried with a minimum of 6 inches of backfill and UL listed for
direct underground burial
✔✔Written contracts and bills to install irrigations systems must include the statement : -
✔✔" Irrigation in Texas is regulated by the Texas Commission on Environmental Quality
, P.O. Box 13087 , Austin , Texas 78711-3087 . "
✔✔How many hours of CEU's does a licensed irrigator need to renew his / her three
year license ? - ✔✔24
✔✔How do the members of the irrigator advisory council get their position ? -
✔✔Appointed by the commission
✔✔A Texas licensed irrigator cannot : - ✔✔Test a backflow device
✔✔Before installing an irrigation system , you should : - ✔✔Call 811 to locate buried
lines
QUESTIONS SET A+
✔✔Sprinkler heads that throw a uniform sheet of water in a fixed or adjustable pattern ,
and are more suitable for small to medium landscape areas are : - ✔✔Spray heads
✔✔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 nozzle 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 : Wasting - ✔✔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
, ✔✔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 too high ? - ✔✔Pressure
regulator
✔✔What are the three accepted means to control pressure in the heads ? -
✔✔Pressure regulator,Pressure compensating devices and the valve flow
✔✔ET - based controllers regulate the irrigation schedule based on what ? -
✔✔Evaporation, Transpiration,and Evapotranspiration
✔✔If you are 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 liability issues due 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 : - ✔✔Be buried with a minimum of 6 inches of backfill and UL listed for
direct underground burial
✔✔Written contracts and bills to install irrigations systems must include the statement : -
✔✔" Irrigation in Texas is regulated by the Texas Commission on Environmental Quality
, P.O. Box 13087 , Austin , Texas 78711-3087 . "
✔✔How many hours of CEU's does a licensed irrigator need to renew his / her three
year license ? - ✔✔24
✔✔How do the members of the irrigator advisory council get their position ? -
✔✔Appointed by the commission
✔✔A Texas licensed irrigator cannot : - ✔✔Test a backflow device
✔✔Before installing an irrigation system , you should : - ✔✔Call 811 to locate buried
lines
