Water Treatment Operator Certification Study Guide test exam Newest!

Water Treatment Operator Certification
Study Guide test exam Newest!
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A continuously flowing watercourse - CORRECT ANSWER-Perennial Stream
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Algae causes PH to ....... at night - CORRECT ANSWER-Decrease
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What contributes to creation of algae blooms - CORRECT ANSWER-Increased
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nutrients
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Iron is found mostly in what sources of water - CORRECT ANSWER-Groundwater
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Also called the rule of reasonable sharing - CORRECT ANSWER-Riparian Doctrine
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Water high in salinity and warm is - CORRECT ANSWER-Low in dissolved oxygen
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Reservoir turnover - CORRECT ANSWER-Denser water at surface sinking toward the
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bottom
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Water that flows into rivers after rainfall - CORRECT ANSWER-Surface runoff
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Recreation can ....... of land adjacent to a reservoir - CORRECT ANSWER-increase the Il` Il`

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threat of erosion
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Water bearing geological zone composed of material deposited by flowing rivers -
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CORRECT ANSWER-Alluvial aquifer
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What effect will algae have on dissolved oxygen - CORRECT ANSWER-Increase DO
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during the day and lower DO during the night
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How does alkalinity effect the use of copper sulfate - CORRECT ANSWER-Copper
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sulfate is more effective as alkalinity decreases
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The amount of water in a formation depends on..... - CORRECT ANSWER-The porosity
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of the water-bearing formation
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What enables blue green algae to grow - CORRECT ANSWER-Nutrients
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Recommended loading rate of copper sulfate for algae control - CORRECT ANSWER- Il` Il` Il` Il`

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5.4 lbs per acre of surface area
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Primary origin of coliform bacteria - CORRECT ANSWER-Animal or human feces
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Amount of water a well produces for each foot of drawdown - CORRECT ANSWER- Il` Il` Il`

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Specific capacity
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Most common well used in public water supply - CORRECT ANSWER-Drilled well
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What is disinfection - CORRECT ANSWER-inactivation or killing of pathogenic
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organisms
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free chlorine residual valus are based on a contact time of.... - CORRECT ANSWER-10
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minutes
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Strength of Calcium Hypochlorite - CORRECT ANSWER-65-70%
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What chemicals raise PH in water - CORRECT ANSWER-Soda Ash, Caustic Soda,
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