TCEQ Irrigation General Information
Questions with Verified Answers
Which has the highest precipitation rate? - ANSWERSSpray heads
Which head spacing would provide the highest precipitation rate for any given property?
- ANSWERStriangular head spacing
precipitation rates from most spray heads: - ANSWERSexceed the infiltration rate in
most tight soils
Which soil type would hold the most water? - ANSWERSclay
Which of the following would affect the precipitation rate of a rotary head? -
ANSWERSerratic head spacing, head pressure, & nozzle size
With most rotary heads, if you adjust the arc down the precipitation rate...? -
ANSWERSincreases
With most rotary heads, if you adjust the arc down the discharge rate...? -
ANSWERSremains the same
True/False: rotary heads precipitate water more rapidly than any other type of head -
ANSWERSFalse
Irrigation heads should be selected ________ - ANSWERSTo apply water equal to or
slightly below the infiltration rate of the soil.
frequent watering will result in: - ANSWERSshallow root system
what is not ideal for dissolving surface fertilizer? - ANSWERSsubsurface drip
what is essential to prevent emitters from clogging? - ANSWERSfilters
This is it never acceptable to run drip lines and spray heads on the same valve? -
ANSWERSThe precipitation rates vary
The licensed irrigator should base their design on: - ANSWERSaverage nighttime wind
speeds
Which piping on an irrigation system is under constant pressure? - ANSWERSMainline
Questions with Verified Answers
Which has the highest precipitation rate? - ANSWERSSpray heads
Which head spacing would provide the highest precipitation rate for any given property?
- ANSWERStriangular head spacing
precipitation rates from most spray heads: - ANSWERSexceed the infiltration rate in
most tight soils
Which soil type would hold the most water? - ANSWERSclay
Which of the following would affect the precipitation rate of a rotary head? -
ANSWERSerratic head spacing, head pressure, & nozzle size
With most rotary heads, if you adjust the arc down the precipitation rate...? -
ANSWERSincreases
With most rotary heads, if you adjust the arc down the discharge rate...? -
ANSWERSremains the same
True/False: rotary heads precipitate water more rapidly than any other type of head -
ANSWERSFalse
Irrigation heads should be selected ________ - ANSWERSTo apply water equal to or
slightly below the infiltration rate of the soil.
frequent watering will result in: - ANSWERSshallow root system
what is not ideal for dissolving surface fertilizer? - ANSWERSsubsurface drip
what is essential to prevent emitters from clogging? - ANSWERSfilters
This is it never acceptable to run drip lines and spray heads on the same valve? -
ANSWERSThe precipitation rates vary
The licensed irrigator should base their design on: - ANSWERSaverage nighttime wind
speeds
Which piping on an irrigation system is under constant pressure? - ANSWERSMainline
