Advanced Water Treatment and Purification Exam Questions with Latest Update

When you are using copper sulfate to treat a lake, concentrations of organisms should never exceed how many parts per million to protect the lives of fish? - Answer-2 ppm A water source with a PH value less than what number is an indication of possible CBR contamination? - Answer-6.0 What are two classifications of water impurities? - Answer-Suspended or dissolved When jetting a well, you turn the jet or grill slowly for what purpose? - Answer-To ensure the hole is straight The pump and power unit used for testing a well should be capable of continuous operation for a minimum of how many hours? - Answer-24 To treat 1,000 gallons of water, you should use approximately how many ounces of activated carbon? - Answer-1 oz What type of sand provides the greatest rate of flow during drawdown? - Answer-Coarse sand with grains nearly uniform in size The quality of water from a muddy stream can be improved best by what way? - Answer-By digging intake galleries The ion exchange unit removes what undesirable property of water? - Answer-Manganese and lead In a driven well, the sections of well pipe are delivered in lengths of what size? - Answer-5 feet To guard against subsurface contamination, you should locate rainwater catchment areas at what minimum distance from possible sources of contamination? - Answer-100 feet What is the name of the process whereby latent heat is removed and steam becomes water? - Answer-Condensation What term is used to describe a water source developed for military use? - Answer-Water point