Collection System Operator Quiz: 1. Which of the following pipe - TopicsExpress

Collection System Operator Quiz: 1. Which of the following pipe materials can be classified as flexible? a. Cast-iron b. PVC c. Reinforced concrete d. Vitrified clay 2. Typical gas detectors are needed in wet wells to monitor for toxic and/or flammable vapors such as methane, gasoline, and a. Nitrogen b. Argon c. Hydrogen sulfide d. Water vapor (humidity) 3. Which of the following is used for water level measurement in a wet well? a. Magmeter b. Venturi meter c. Parshall flume d. Bubbler tube 4. Which of the following is classified as a centrifugal pump? a. Axial flow column pump b. Archimedes screw pump c. Pneumatic ejector d. Progressive cavity pump 5. The main function of a lift station is to a. Move wastewater when gravity flow is insufficient b. Lift debris and grit out of the wastewater c. Pump out wastewater that collects in dry wells d. Redirect flow during storm events Answers: 1. B 2. C 3. D 4. A 5. A

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