Treatment 2 Wastewater Operator certification Study Guide Exam GradedA

Treatment 2 Wastewater Operator certification Study Guide Exam GradedA General Wastewater Treatment: What is the pressure head caused by? - CORRECT ANSWER-Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? - CORRECT ANSWERpurple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. - CORRECT ANSWER-piezometric surface General Wastewater Treatment: In general, what is the maximum practical lift of pumps - CORRECT ANSWER-15-25ft General Wastewater Treatment: Which one of the following valves is the best to use in throttling a flow situation? a. gate b. butterfly c. globe d. ball - CORRECT ANSWER-globe General Wastewater Treatment: Which one of the following devices is used to measure water depths in storage facilities? a. transducer b. Venturi meter c. magnetic sensor d. thermistor - CORRECT ANSWER-transducer Wastewater Treatment Facilities: The velocity in sanitary sewers is approximately: - CORRECT ANSWER-2 ft/s Wastewater Treatment Facilities: The distance between manholes ranges from - CORRECT ANSWER-300-500ft Wastewater Treatment Facilities: What should the flow velocity be through a grit channel - CORRECT ANSWER-1.0 ft/s Wastewater Treatment Facilities: Grit washers are used to______ a. remove some of the organic matter b. remove large pieces of wood c. remove rags and eggshells d. remove the odors - CORRECT ANSWER-remove some of the organic matter Wastewater Treatment Facilities: The most common flow-measure device for wastewater is a_____ - CORRECT ANSWER-parshall flume Wastewater Treatment Facilities: