Waste Water practice exam questions and answers with certified solutions
Odors occur when treatment becomes Anaerobic What should an operator do before entering a manhole Test for all hazardous gases and oxygen levels and ventilate the manhole before entering What treatment devices is commonly used to separate and remove large solids from raw wastewater a mechanically raked bar screen What diseases are caused by pathogenic organisms that may be present in raw wastewater? Hepatitis, typhoid, paratyphoid, dysentery, and cholera What is typically used to dewater sludge? Belt press, Drying beds, solid bowl centrifuge, and gravity thickener Calculated the volume in gallons of a rectangular aeration tank that is 60 feet long, 30 feet wide and 20 feet deep 269,280
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waste water practice exam questions and answers
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