Exam practice test for Texas Irrigator License

Exam practice test for Texas Irrigator License
Study online at https://quizlet.com/_99scbx

1. Gear rotor model B




2. Spray with X nozzle




3. Spray with Y nozzle




4. Spray with Z nozzle




5. 1" valve model Q






, Exam practice test for Texas Irrigator License
Study online at https://quizlet.com/_99scbx

6. Backflow device




7. Mainline pipe




8. Laterals pipe




9. House service pipe




10. Sleeves






, Exam practice test for Texas Irrigator License
Study online at https://quizlet.com/_99scbx

11. City main pipe




12. City meter




13. Controller




14. Legend




15. To convert psi to feet Multiply by 2.31






, Exam practice test for Texas Irrigator License
Study online at https://quizlet.com/_99scbx

16. To convert feet to psi Multiply by 0.433 psi




17. Precipitation Rate Formula GPM (Full Circle Head) X 96.3
-------------- = PR
Head Spacing X Row Spacing
(Divide)

18. Precipitation Rate for Drip GPH (one emitter) X 231
------------ = PR
Head Spacing (inches) X Row
Spacing (inches)

19. Runtime Formula I x 60
RT ----=Runtime
PR

20. Calculating Drip Flow Zone Total Linear feet of drip /emit-
ter spacing x GPH of emitter/
60 = GPM for that zone
Or DMDMD

21. Slope formula Rise
S = -----------
Run

22. Triangular Head Spacing Multiply spacing by .866 to get
row spacing