Sanitarian Test questions with correct answers

Difference in temp in top and bottom layers of water. Answer The overturning of deep lakes and impounding reservoirs is a common seasonal occurrence cause by? Screened Answer Vents on reservoirs, clearwells, etc. should be? USDA or OSDA (Oklahoma Dept of Agriculture) Answer What type of primary inspection must meat be subjected to in order to be consider approved? Turbidity Answer What is the water treatment filter remove or reduced? At least 3 different depths Answer Inlets or gates should be located in a reservoir intake so that close gap water can be taken from? Alkalinity, pH CACO stability tests Answer In treating water for corrosion control, plant adjustment should be made in accordance with result of the? Producing a "Floc" Answer Alum is often added in treating water primarily for the purpose of? Low velocity flow across the basin Answer Sedimentation is improved by? 1.0 ppm Answer To assure max benefit and reduction of dental cavities, average concentration of fluoride should be maintain? Providing a physical separation (air gap) between the