Texas Irrigation Exam Questions and Answers (Verified Answers)

Texas Irrigation Exam Questions and Answers (Verified Answers) how often does a licensed irrigator need to renew his license ? once every three years which is /are the strategic goal/goals of TCEQ? 1 - enforcement 2- water quality 3- waste management individual responsible for obtaining permits and inspections ? Licensed Irrigador when is it acceptable for a licensed technician to alter the irrigation design? when the technician receives approval from the license Irrigador The term Commission , refers to ? Texas commission of environmental quality. How many members make up the Texas Irrigador's advisory council? 9 members members of Texas Irrigador's advisory council are appointed by ? Texas commission of environmental quality. how many members of the Texas Irrigador's advisory council must be representatives of the public? 3 members which is the function of an irrigation system? erosion control dust reduction irrigating any type of landscape vegetation in any location after a license has expired, the only way to obtain another one is to ? go through the re-examination process again. you must be licensed or work under the supervision of a licensed individual in order to install or repair irrigation systems for a living. true what will happen if an irrigador fails to receive written notice from the TCEQ that his license is about to expire? The irrigador will lose the license if they fail to renew even if the TCEQ does not send a written notice.? What is the minimum depth of pipe coverage.? 6 inches Absorption rate is also known as? infiltration rate An atmospheric vacuum breaker is commonly referred to as an ? anti-siphon statement about control wires The larger the gauge number, the smaller the wire Desing pessure = Recommended head pressure + total losses Actual head pressure is = Static pressure _ Total losses Term used when all heads discharge varying amounts of water , combining to produce uniform coverage ? match precipitation AWWA is an abbreviation for ? American Water Works Association A valve permitting water to flow in one direction ? check valve one complete operation of a controller through all programmed stations ? cycle Minimum pressure required for a system to operate properly ? Design pressure Type of damage occurring when water travels unrestricted though empty lateral lines ? dry line shock Device which allows water to flow out slowly in a drip irrigation system ? Emitter When water flows through piping , pressure is lost as a result of ? friction As a general guideline ,the design pressure should not exceed? -— of the static pressure 10% Generally , sleeves should be at least _____larger than the irrigation piping required. 2 sizes PVC pipe with the same physical dimension as iron pipe? Schedule pipe The process of plant material giving off vapor from the leaves ? Transpiration shock wave created by a fast closing valve ? Water hammer act of chemically fusing PVC pipe and fittings together? solvent welding PVC is an abbreviation for ? Polyvinyl Chloride Flexible part of an automatic valve which regulates the passage of water? Diaphragm What does I.P.S. stand for ? Iron plastic size What does M.I.P. stand for ? male iron pipe An irrigation system with any kind of injection device associated with it would be termed as ____? Health Hazard Which back flow device is required to be used with pumps ? Which ever one is required by state or local codes . The mechanical prevention of reverse flow, or back siphonage , of non-potable water from an irrigation system into the public water system is called ? Back flow prevention Any pressure,regardless of its source ,against the outlet side of the back flow prevention device ,which exceeds the supply pressure against the inlet side of the device is? Back pressure