Education > EXAM > Water Treatment Operator Certification Study Guide (AWWA)| 71 questions| with complete solutions (All)
Water Treatment Operator Certification Study Guide (AWWA)| 71 questions| with complete solutions
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A continuously flowing watercourse Correct Answer: Perennial Stream Algae causes PH to ....... at night Correct Answer: Decrease What contributes to creation of algae blooms Correct Answer: I... ncreased nutrients Iron is found mostly in what sources of water Correct Answer: Groundwater Also called the rule of reasonable sharing Correct Answer: Riparian Doctrine Water high in salinity and warm is Correct Answer: Low in dissolved oxygen Reservoir turnover Correct Answer: Denser water at surface sinking toward the bottom Water that flows into rivers after rainfall Correct Answer: Surface runoff Recreation can ....... of land adjacent to a reservoir Correct Answer: increase the threat of erosion Water bearing geological zone composed of material deposited by flowing rivers Correct Answer: Alluvial aquifer What effect will algae have on dissolved oxygen Correct Answer: Increase DO during the day and lower DO during the night How does alkalinity effect the use of copper sulfate Correct Answer: Copper sulfate is more effective as alkalinity decreases The amount of water in a formation depends on..... Correct Answer: The porosity of the water-bearing formation What enables blue green algae to grow Correct Answer: Nutrients Recommended loading rate of copper sulfate for algae control Correct Answer: 5.4 lbs per acre of surface area Primary origin of coliform bacteria Correct Answer: Animal or human feces Amount of water a well produces for each foot of drawdown Correct Answer: Specific capacity Most common well used in public water supply Correct Answer: Drilled well What is disinfection Correct Answer: inactivation or killing of pathogenic organisms free chlorine residual valus are based on a contact time of.... Correct Answer: 10 minutes Strength of Calcium Hypochlorite Correct Answer: 65-70% [Show More]
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Water Treatment Operator Certification Tests complete compilation Bundle
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