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:As an operator, you must ensure your solids waste is disposed of properly and that treatment is complete before removal for dewatering.Your facility uses a gravity thickener that is 28 ft in diameter and has a sludge blanket depth of 4.5 feet. If the sludge is pumped from the bottom of
Exam Study Guide: Sludge Detention Time
Sep 11, 2014
| by Mike Smith |
