WasteWater Operator Certification Study Guide Grade 1 correctly answered 2023 to pass

WasteWater Operator Certification Study Guide Grade 1 correctly answered 2023 to passWasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? - correct answer storm events WasteWater Sources & Characteristics: Combined wastewater is defined as - correct answer sanitary wastewater and stormwater runoff WasteWater Sources & Characteristics: In general, the solids content in wastewater is about - correct answer 0.1% WasteWater Sources & Characteristics: In general, what is the % of suspended solids in the total amount of solids - correct answer 30% WasteWater Sources & Characteristics: Generally, the % of dissolved solids in the amount of total solids is about - correct answer 70% WasteWater Sources & Characteristics: Which type of organisms would most probably be associated with poor treatment or young biomass - correct answer 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 - correct answer stalked cilates Basic WasteWater Treatment: Aerobic bacteria will reproduce and live in an environment that contains only - correct answer oxygen Basic WasteWater Treatment: Anaerobic bacteria will reproduce and live only in an environment that completely lacks - correct answer free or dissolved oxygen Basic WasteWater Treatment: The biochemical oxygen demand (BOD) test usually has a specific time of - correct answer 5 days Basic WasteWater Treatment: An Imhoff cone measures - correct answer volume of settleable solids Basic WasteWater Treatment: Septic conditions are caused by - correct answer anaerobic bacteria Basic WasteWater Treatment: