Tceq Class D Water Operator License Study Guide Questions And Correct Answers

T/F? If pathogenic feces enter the water supply, the pathogen cannot be transmitted to others if ingested {Ans: F}T/F: Surface water usually has a higher mineral content than ground water {Ans: F}Nontransient Noncommunity {Ans: PWS regularly serves at least 25 of the same place who do not live at that location at 6 months out of the year -Where people work or go to school: factories, industries, office buildings, daycare centers and rural schools}Fecal Contamination {Ans: subset of total coliform; tests for pathogens that are more feces-specific; feces positive test = feces contamination = indicator for trouble due to high risk in possible pathogens}T/F: operators run jar tests to select the most effective coagulant and dosage {Ans: T}T/F: Barricade stripes must slope downward at 30 degrees in the direction the traffic is to pass. {Ans: F}