Waste Water Operator Certification Study Guide Grade 1 Already Passed

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Waste Water Operator Certification Study Guide Grade 1 Already Passed WasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of ... sand, gravel, and grit? ✔✔storm events WasteWater Sources & Characteristics: Combined wastewater is defined as ✔✔sanitary wastewater and stormwater runoff WasteWater Sources & Characteristics: In general, the solids content in wastewater is about ✔✔0.1% WasteWater Sources & Characteristics: In general, what is the % of suspended solids in the total amount of solids ✔✔30% WasteWater Sources & Characteristics: Generally, the % of dissolved solids in the amount of total solids is about ✔✔70% WasteWater Sources & Characteristics: Which type of organisms would most probably be associated with poor treatment or young biomass ✔✔amoebas 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 ✔✔stalked cilates Basic WasteWater Treatment: Aerobic bacteria will reproduce and live in an environment that contains only ✔✔oxygen Basic WasteWater Treatment: Anaerobic bacteria will reproduce and live only in an environment that completely lacks ✔✔free or dissolved oxygen Basic WasteWater Treatment: The biochemical oxygen demand (BOD) test usually has a specific time of ✔✔5 days Basic WasteWater Treatment: An Imhoff cone measures ✔✔volume of settleable solids Basic WasteWater Treatment: Septic conditions are caused by ✔✔anaerobic bacteria Basic WasteWater Treatment: Scum is usually removed in the _____treatment stage ✔✔primary Basic WasteWater Treatment: When domestic wastewater enters natural waters, what species deplete most of the oxygen ✔✔aerobic bacteria Basic WasteWater Treatment: Once the oxygen is depleted in a natural body of water, which organisms take over? ✔✔anaerobic Basic WasteWater Treatment: The major gas produces by anaerobic decomposition is ✔✔methane Wastewater Treatment Facilities: Another name for promary treatment is ✔✔sedimen [Show More]

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