Class 1 Wastewater Test; From: OTCO Wastewater Basic Course Test (Q 1 - 50) Latest 2024 Graded A

Class 1 Wastewater Test; From: OTCO Wastewater Basic Course Test (Q 1 - 50) Latest 2024 Graded A In the formula Q=V(A), Q is defined as rate of flow expressed as? Cu. Ft. / sec. What is the primary objective of the Clean Water Act of 1972? Restore and maintain the chemical, physical, and biological integrity of water in the US When cells use their own protoplasm and start to eat each other, as food to provide the energy to maintain life, this is known as what type of growth? Endogenous Why is sampling of wastewater important? Evaluate the wastewater treatment process What is the purpose of the Biochemical Oxygen Demand Test? Measures the amount of oxygen used by microorganisms The type of pump that is most common in a wastewater treatment facility is a? Centrifugal What does NPDES stand for? National Pollutant Discharge Elimination System Head is a measure of pressure always expressed in? Feet A mixture of activated sludge and wastewater is called? Mixed liquor Which test measures the solids in and out of the treatment process for plant efficiency? Total suspended solids test Complete mix, step aeration, and contact stabilization are modifications of what process? Activated sludge One horsepower is equal to lifting? 33,000 pounds one foot in one minute Municipal wastewater consists of approximately what percentage of water? 99.9% Sewers that convey both sanitary wastes and storm waters are called? Combined sewers The component in the aeration system that breaks up the air bubbles is known as the? Diffuser As the temperature ????? Microorganisms accelerate consumption of Organics Increases Grab samples taken in sizes that correspond to the flow rate are known as? Flow proportional One electrical horsepower is equal to? 0.746 kilowatts Disease causing organisms are called? Pathogens MSDS stands for? Material Safety Data Sheet