TCEQ IRRIGATION GENERAL INFORMATION EXAM QUESTIONS AND ANSWERS 100% CORRECT!!

Which of the following would affect the precipitation rate of a rotary head? - ANSWER erratic head spacing, head pressure, & nozzle size With most rotary heads, if you adjust the arc down the precipitation rate...? - ANSWER increases With most rotary heads, if you adjust the arc down the discharge rate...? - ANSWER remains the same True/False: rotary heads precipitate water more rapidly than any other type of head - ANSWER False Irrigation heads should be selected ________ - ANSWER To apply water equal to or slightly below the infiltration rate of the soil. frequent watering will result in: - ANSWER shallow root system what is not ideal for dissolving surface fertilizer? - ANSWER subsurface drip what is essential to prevent emitters from clogging? - ANSWER filters This is it never acceptable to run drip lines and spray heads on the same valve? - ANSWER The precipitation rates vary The licensed irrigator should base their design on: - ANSWER average nighttime wind speeds Which piping on an irrigation system is under constant pressure? - ANSWER Mainline conventional spray heads have what type of spray pattern? - ANSWER circular What would most be affected adversely by wind? - ANSWER stretched head spacing T/F: a well designed rotary system can be just as efficient as a spray head system - ANSWER true Which piping is resistant to UV light? - ANSWER polyethylene tubing (drip) electric valves are classified as - ANSWER normally closed The wire to a valve should be pulled fairly tight to prevent the wire from moving in the ditch. - ANSWER False Which is larger wire, 18 gauge or 12 gaug