WasteWater Operator Certification Study Guide Grade 1 Exam Questions And Answers 100% Pass.

©BRIGHTSTARS EXAM SOLUTIONS 10/21/2024 9:24 PM WasteWater Operator Certification Study Guide Grade 1 Exam Questions And Answers 100% Pass. WasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? - answerstorm events WasteWater Sources & Characteristics: Combined wastewater is defined as - answersanitary wastewater and stormwater runoff WasteWater Sources & Characteristics: In general, the solids content in wastewater is about - answer0.1% WasteWater Sources & Characteristics: In general, what is the % of suspended solids in the total amount of solids - answer30% WasteWater Sources & Characteristics: Generally, the % of dissolved solids in the amount of total solids is about - answer70% WasteWater Sources & Characteristics: ©BRIGHTSTARS EXAM SOLUTIONS 10/21/2024 9:24 PM Which type of organisms would most probably be associated with poor treatment or young biomass - answeramoebas WasteWater Sources & Characteristics: Which type of organisms would most probably be associated with very clear plant effluent. low BOD and low amounts of suspended solids - answerstalked cilates Basic WasteWater Treatment: Aerobic bacteria will reproduce and live in an environment that contains only - answeroxygen Basic WasteWater Treatment: Anaerobic bacteria will reproduce and live only in an environment that completely lacks - answerfree or dissolved oxygen Basic WasteWater Treatment: The biochemical oxygen demand (BOD) test usually has a specific time of - answer5 days Basic WasteWater Treatment: An Imhoff cone measures - answervolume of settleable solids Basic WasteWater Treatment: Septic conditions are caused by - answeranaerobic bacteria Basic WasteWater Treatment: Scum is usually removed in the _____treatment stage - answerprimary Basic WasteWater Treatment: ©BRIGHTSTARS EXAM SOLUTIONS 10/21/2024 9:24 PM When domestic wastewater enters natural waters, what species deplete most of the oxygen - answeraerobic bacteria Basic WasteWater Treatment: Once the oxygen is depleted in a natural body of water, which organisms take over? - answeranaerobic Basic WasteWater Treatment: The major gas produces by anaerobic decomposition is - answermethane Wastewater Treatment Facilities: Another name for promary treatment is - answersedimentation Wastewater Treatment Facilities: Digester gas is_______when mixed with air the the proper proportions - answerextremely explosive Wastewater Treatment Facilities: A pond that is used to treat raw wastewater is called - answera waste stabilization pond Wastewater Treatment Facilities: A pond that has an aerobic top layer and an anaerobic bottom layer is called - answera facultative pond Preliminary Treatment: What is the angle of the bars on a manually cleaned bar screen? - answer30 degrees