Water Operator Certification Study Material ( New Mexico) (Basic) 170 Correctly Answered Questions Latest Update

Protects against backsiphonage and backflow {Ans: Reduced pressure zone assembly}White powder used to neutralize chlorine {Ans: Sodium Thiosulphate}These bottles have a hinged cap that has a snap on type seal and a hinged latch to secure it also come with a plastic key {Ans: Snap Lid bottle}Ground water systems must sample for inorganic chemicals every ___ years {Ans: 3}An attachment to the well casing to provide a sanitary seal between the well casing and the effluent line {Ans: Pitless adapter}Type of pipe is not affected by corrosive water {Ans: PVC (Polyvinyl Chloride)}Gate valves have ___ turns per inch {Ans: 3}Nuetral pH {Ans: 7}Anytime the MCL is exceeded and fecal coliform positive results come back from any of the samples {Ans: Non-acute violation}Chemical violation records must be kept ___ years {Ans: 10}Maximum Contaminent Level {Ans: MCL}A good application for a peristaltic pump {Ans: Chemical feed pump}How many mL for a chlorine sample {Ans: 5}Inorganic contaminants {Ans: Lead, Mercury, Nitrate, Nitrite, Selenium, Arsenic, Radionuclides}Microbiological contaminants {Ans: Bacteria, Virus & Protozoa}If a single chlorine cylinder freezes {Ans: Feed Rate is too high}The positive side of the cathodic