To properly operate a waterworks or wastewater treatment plant and to pass the examination for a waterworks/wastewater operator's license, it is necessary to know how to perform certain calculations. All operators, at all levels of licensure, need a basic understanding of arithmetic and problem-solving techniques to solve the problems they typicall
Introduction. Sequence of Operations. Fractions, Decimals, and Percent. Rounding and Significant Digits. Powers of Ten and Exponents. Averages (Arithmetic Mean) and Median. Solving for the Unknown. Ratios and Proportions. Electrical Calculations. Circumference, Area, and Volume. Force, Pressure, Head, and Velocity Calculations. Mass Balance and Measuring Plant Performance. Pumping Calculations. Water Source and Storage Calculations. Water/Wastewater Laboratory Calculations. Basic Mathemathics Practice Problems. Appendix: Solutions to Chapter 17 Problems. Index.