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
16. To convert feet to psi Multiply by 0.433 psi
, Exam practice test for Texas Irrigator License
Study online at https://quizlet.com/_99scbx
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
23. Efficiency of System Example if 50% efficiency with
1.12 Precipitation rate
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
16. To convert feet to psi Multiply by 0.433 psi
, Exam practice test for Texas Irrigator License
Study online at https://quizlet.com/_99scbx
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
23. Efficiency of System Example if 50% efficiency with
1.12 Precipitation rate