Irrigation Review - Sprinklers

Irrigation Review - Sprinklers Match the following Flow___ half circle Radius___ 25 degrees Pressure___ gpm Arc___ 10 feet Trajectory___ psi Which sprinkler ( Spray heads - S ( with fixed spray nozzles or Rotors - R) ___ uses more water per area in a given time ___ are used in smaller areas ___ have a lower PR ___ comes with a nozzle tree ___ spray water in a fixed pattern ___ are harder to maintain ___ require higher pressures to run ___ needs a filter before the nozzle ___ comes in pressure regulating ___ has both radius and arc adjustment in the cap ___ has a wiper seal that cleans the post as the sprinkler goes up ___ most inexpensive What is a check valve at the base of the sprinkler for? What is the best sprinkler placement in a turf area? What does purple mean on a sprinkler cap? What does PRS 40 on the cap of the sprayhead mean?