Water Distribution level 1 study test final exam with correct solutions

Water Distribution level 1 study test final exam with correct solutions Chlorination is the most common means of disinfection used today to protect the public's health - CORRECT ANSWER-True As water mains and reservoirs become older, they require less and less maintenance. - CORRECT ANSWER-False Routine water quality monitoring of distribution systems consists of collecting samples at remote locations in the system and testing for chlorine residual and coli forms - CORRECT ANSWER-True Existing contaminant limits mar be modified is EPA's ongoing research reveals new information about the effects of a particular substance - CORRECT ANSWER-True Reservoirs that are not heavily used can be a source of taste, odor, and contamination problems - CORRECT ANSWER-True When someone contacts you complaining that their drinking water looks muddy, taste bad, or smells bad, you need not be concerned. - CORRECT ANSWER-False The lack of circulation in a dead end creates nearly ideal conditions for degrading water quality - CORRECT ANSWER-True Ground waters are more susceptible to contamination than surface waters. - CORRECT ANSWER-False A water supply that us satisfactory in quality for one purpose might be entirely unsatisfactory for another - CORRECT ANSWER-True Chloramines are considered a more powerful disinfectant than chlorine. - CORRECT ANSWER-False Under what conditions may water mains be located adjacent to sewer lines? - CORRECT ANSWER-When physical conditions or soil conditions prevent minimum separation distances from being met How can corrosion be prevented on the insides of cement or metal pipes? - CORRECT ANSWER-Line with asphalt or coal tar coatings What influences the knowledge and skills required to work as a water distribution system operator in a given syste