Class "C" Water Exam | 165 Questions and Answers 100% Verified

Calcium Hypochlorite - A common chemical used in the disenfection of a small water supply isA Cross Connection - A physical connection between a potable water supply and a house well would beDemand - The amount of Chlorine in mg/L that is used by reacting with iron, organics, or bacteria is called? Greenish Yellow color Heavier than air Pungent, Penetrating odor Corrosive - All of the following are Physical characteristics of Chlorine gasSolution feed pump - Which of the following would be considered a part of a hypo-chlorinator system? Flow measuring device - According to state requirements, all public water supply wells should be provided with a raised concrete sealing block, screened vents andThe difference in static and pumping levels - The drawdown of a water well is determined byIf it is more acidic or base - The pH of water indicates- 0-14 - The pH of water is expressed by a scale of numbers ranging from- 7.0 - Water that is considered neutral is expressed on the pH scale atUse of an approved, sterile container - Which of the following is a required step in collecting a routine distribution sample for bacteriological testing?