When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly study and prepare for exam questions. Take a look at this sample wastewater treatment licensing question along with an explanation of the correct answer.Sample question:What is the recommended velocity of the flow in an oxidation ditch?A) 0.1 to 0.5 feet/secondB) 0.8 to 1.2 feet/secondC) 1.5 to 2.0 feet/secondD) 2.5 to 4.0 feet/secondAnswer: In the design of oxidation ditches, the mixed liquor is moved at a velocity of 0.8 to 1.2 ft/sec (0.24 to 0.37 m/s) in the channel which
Exam Study Guide: Oxidation Ditches
Jul 09, 2015
| by Rick Lallish |













