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NCCER SECTION 12_ INTRO TO WATER DISTRIBUTION SYSTEMS QUIZZES AND CORRECT REPLIES 100% UPDATED

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NCCER Section 12_ Intro to Water Distribution Systems

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1 of 41

Definition



A valve whose internal design is similar to a globe valve's but its
outlet direction is 90 degrees from its inlet



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Ball Valve Angle Valve




Plug Valve Gate Valve


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, 2 of 41

Definition



The use of chlorine gas or compounds to disinfect water



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Methylation Sedimentation




Filtration Chlorination


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3 of 41

Definition



In water treatment processes, a thickening of suspended or
dissolved materials into a soft, semi-solid or solid mass



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Sedimentation Denaturation




Coagulation Flocculation


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, 4 of 41

Definition



A measure of the acidity or alkalinity of a solution. Neutral is 7.
Higher numbers are more alkaline and lower numbers are more
acidic



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Water Hammer pH




Straight-Through Flow Meter Stop Valve


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5 of 41

Definition



Two times the diameter of the potable water outlet but not less than
1 inch



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Full Flow Minimum Required Air Gap




Water Table Water Hammer

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