Texas Irrigator License Exam : Hydraulics Questions and Answers 100% Accurate

Texas Irrigator License Exam :

Hydraulics Questions and

Answers 100% Accurate


Hydraulic Design Steps - ANSWER-1. Layout heads




2. Head inventory




3. Group in Zones

--Determine limiting gpm from WM & service line




4. Layout Pipe

--Put valve in middle & closer to side with less gpm to make the critical head

calculations easier.




5. Size pipe

--Start at a dead end.

, --Work towards the water source.

--Don't size a pipe unless everything downstream has been sized.

--Make mainlines 1" or larger




6. Check Critical Head

--L. F. D. 100. I. A. (Ladies Fall Down 100x In Abeline)

--Length of pipe, Flow, Diameter of pipe, pressure loss per 100', Item loss,

Accumulated loss

--LFD. Use Design

--100. Uses Reference Charts

--I. Use #s from LFD & 100 for Item loss.

--A. Add losses from I.

--Other Equations. Use DP (Design Pressure) & AHP (Actual Head Pressure) to

determine if the zone works.




7. Schedule

--Determine precipitation rate




Densogram - ANSWER-Graphic view of precipitation to check uniformity.