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Advanced Water Treatment Exam Questions and Answers Latest Update

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2023/2024 Written for academic year
Institution Advanced Water Treatment
Course Advanced water treatment
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What is an atom with a charge called ? - Answer-Ion What is the most common solvent? - Answer-Water What is a substance that releases hydrogen ions (H+) when mixed with water ? - Answer-Acid Voltage and current that change direction and amplitude periodically is known as ? - Answer-Alternating current The electrical pressure available to cause a flow of current when a circuit is closed is ? - Answer-Voltage A protective device having a strip or wire of fusible metal that will break the electrical circuit when subjected to excessive heat is? - Answer-Fuse Which type of valve allows water to flow in only one direction ? - Answer-Check Valve What is the SMCL for Iron? - Answer-0.3 mg/L What is the SMCL for manganese? - Answer-0.05 mg/L What chemical can be used to keep Iron and Manganese in solution but unable to react ? - Answer-Polyphosphate What accounts for the largest use of energy in a water supply ? - Answer-Pumps What is the part of the pump that forms a smooth volute around the impeller, and is designed to throw water outward to minimize friction ? - Answer-Casing Which type of impeller design adds head by the lifting action of the vanes on the water ? - Answer-Vertical Turbine Peristaltic, Piston, and Screw Pumps are all examples of positive displacement pumps. What type of pump is NOT a positive displacement pump ? - Answer-Turbine pump What is the condition of small vapor bubbles forming and exploding against an impeller called ? - Answer-Cavitation What is the maximum operating temperature on a mechanical seal ? - Answer-160°F

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