Water Distribution 1 certification state exam questions and answers Graded-A

Water Distribution 1 certification state exam questions and answers Graded-A Potable water may be defined as: a. Any water that occasionally may be polluted from another source b. Any water that, according to recognized standards, is safe for consumption c. Water high in organic content d. Water that has been transported from outside the service area - CORRECT ANSWER-b). Any water that according to recognized standard is safe for human consumption. To prevent the entry of surface contamination into a well is the purpose of: a. The well casing b. The louvers or slots c. Well development d. The sanitary seal - CORRECT ANSWER-d) The Sanitary Seal Pure water will exhibit a pH value of? a. 0.0 b. 7.0 c. 10.5 d. 14.0 - CORRECT ANSWER-b) 7.0 A pH reading of 6.0 units indicates that the water sample is: a. Very acidic b. Slightly alkaline c. Very alkaline d. Slightly acidic - CORRECT ANSWER-d) Slightly Acidic In drinking water quality, "TDS" is the abbreviation for? a)Total digestable substances b) Total dissolved solids c) Time-delayed sicknesses d) Terminal diseases started - CORRECT ANSWER-b) Total Dissolved Solids In drinking water regulations, the abbreviation "MCL" stands for? a) Maximum contaminant level b) Multiple constituent level