Study Guide Answer Key

Here are the answers to the Oct. 6, 2022 edition of TPO's Exam Study Guide: While using membrane biological reactors, what is typically required for upstream screening requirements? The answer to this question is C, 1- to 3-millimeter fine screens for larger particles and debris. Membrane biological reactors (MBR’s) are becoming more common on an everyday basis. Due to the fragile and somewhat stringent membrane technologies, fine screens with 1 to 3 millimeter openings are typically used upstream of the MBR. It is very important to remove as much debris and solids that may impact or clog the membrane pores which may be as