Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we covered a set of wastewater and drinking water treatment questions on the topics of Disinfection Contact Time; and Effluent Coloration. This time, you can test your knowledge about grit removal systems and types of pump impellers.
Wastewater Treatment Sample Question
What is the recommended velocity of a properly operated grit removal system?
A. 0.5 ft/sec
B. 1.0 ft/sec
C. 1.5 ft/sec
D. 2.0 ft/sec
Answer: The answer to this question is B. Properly operated grit removal systems should be operated at 1 ft/sec. This velocity allows the grit (non-organics)
Exam Study Guide: Grit Removal Systems; and Water Pump Impellers
Maintaining your education is important, especially in a career that demands licensing exams. Prove you’re an expert operator by answering these questions and others from our Exam Study Guide Series.
Dec 06, 2018
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