C-Well Practice Exam No. 2

In NC, the drinking water quality standards are enforced by {Ans: The N. C. Division of Water Resourses, PWSS}An average percentage range for unaccounted_for water in a fully metered system is: 9 to 5%, 6 to 10%, 11 to 15%, 16 to 20% {Ans: 11 to 15%}Disease causing bacteria are known as: coliforms, non-coliforms, non_pathogens, pathogens. {Ans: Pathogens}A common method for romoving hydrogen sulfide from water is: aeration, coagulation, filtration, sedimentatin. {Ans: aeration}a single sample taken without considering the time of day or rate of flow is called a {Ans: grab sample}A pump in continued service should be inspected for cleanliness and leakage at least: daily, weekly, monthly, yearly. {Ans: daily}