Soils 456 Irrigation and Drainage Answers to chapter 4 questions

4.1
Model 700 Toro sprinkler operating at 35 lb/in^2 has a radius of throw of 31 ft.

4.2
sprinkler 47a-sam Toro that has a 61 ft radius of throw and lowest operating pressure is a nozzel 18 and pressure 80psi

4.3
Model 300 full circle stream rotor with an 02 nozzle operating at 275 kpa

pressure 275 kpa/6.89= 39.8 psi or 40 psi.

flow at 35 psi=2.88

flow at 50 psi = 3.41

interpolate flow at 40psi=2.7 gps = 0.16 l/s