Study Guide Answer Key

Here are the answers to the Aug. 27, 2020 edition of TPO's Exam Study Guide: 1. When operating a rotary-type distribution trickling filter, what is the recommended method of meeting satisfactory dosing rates during low flow conditions? The answer to this question is D. During low-flow conditions the rotary-type distribution systems may slow down or stop completely due to lack of hydraulic energy. To overcome this, the operator may increase the recirculation rate to the filter and maintain hydraulic energy, rotation and dosing rate. Understanding how trickling filters operate and what steps to take when problems occur will help the operator advance in