Irrigation quiz Questions and Answers Fully solved 2024

Irrigation quiz Questions and Answers Fully solved 2024 Absorption Rate The rate or speed at which soil will accept water. Absorption Rate is also known as __________or _________ rate. Percolation or infiltration Rate Actual Head Pressure The operating pressure measured at the base of the sprinkler head. Actual Pressure = _____________ - _____________ Static Pressure - Total Pressure Losses Actual Head Pressure has to be _______ or _______ to Minimum Head Pressure or = Design Pressure = MHP + TPL Design Pressure ( DP) must be _______ or _______ to Static Pressure. or = The pressure of water when it is not moving measured in PSI. Static Pressure Water Hammer A shock wave in the piping system usually created by excessive flow velocity and a fast closing valve. The speed at which water travels through the piping system. Usually measured in fps. Velocity of water The generally accepted maximum velocity of water in PVC or Poly pipe is 5 FPS The generally accepted maximum velocity of water in copper is 9 FPS Transpiration the emission of water vapor from the leaves of plants. Swing Joint A flexible joint or pipe connecting a sprinkler head to a pipe. Intended to prevent damage to the head due to heavy foot traffic, etc. also used to raise or lower sprinklers to final grade. A measure of the rate of change of elevation over a prescribed distance. May be expressed as a ratio, a grade or as a percent. Slope formula to calculate slope rise/run Two most common types for sprinkler head spacing are Square and triangular Spray Heads Sprinkler heads that throw a uniform sheet of water in a fixed or adjustable pattern. Species Factor Coefficient, reflecting plant species, used to adjust the reference evapotranspiration. solvent welding The act of chemically fusing pipe and fittings together using solvent. Incorrectly referred to as "gluing". The force of water in the piping system measured in PSI Water Pressure