商品簡介
This is a study guide for state Water System Operation certification examinations that adhere to the Associated Boards of Certification Need-to-Know criteria. The series covers water treatment and water distribution, and certification grade one to four. This volume focuses on water distribution and certification grades one and two. Among the topics are operator mathematics, hydraulics, pipe, water main installation and rehabilitation, fire hydrants, electrical and instrumentation-and-control systems, pumps and pumping stations, basic chlorination, backflow prevention and cross-connection control, and public relations. Annotation ©2016 Ringgold, Inc., Portland, OR (protoview.com)
