C Water Operator License Exam 110 Questions With Correct Answers |latest |verified By Experts

Service tap components usually consist of a tapping saddle, corporation stop, service line tubing, curb stop and a _____. {Ans: meter}When turning a centrifugal pump off, "this" must be done to prevent water hammer. {Ans: close the discharge valve}Safe withdrawal weight from a 150lb cylinder is ___lbs and 400lbs from a ____ton cylinder. {Ans: 40, 1}Concentrations of fluoride greater than (>) ___mg.L can cause ____ in teeth over time. {Ans: 2, mottling}The primary state regulator of water utilities is the ____. {Ans: tceq}The following minimum residuals is ______mg/L for free chlorine and ____mg/L for total chlorine. {Ans: .2, .5}