Mathematics Manual for Water and Wastewater Treatment Plant Operators

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CRC Press, Mar 23, 2004 - Technology & Engineering - 712 pages
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A comprehensive, self-contained mathematics reference, The Mathematics Manual for Water and Wastewater Treatment Plant Operators will be useful to operators of all levels of expertise and experience. The text is divided into three parts. Part 1 covers basic math, Part 2 covers applied math concepts, and Part 3 presents a comprehensive workbook with more than 1700 sample problems highlighting the kinds of exam questions operators can expect to see on state licensure examinations. Readers working through the book systematically will acquire a definitive understanding of and skill in performing the applied water/wastewater calculations that are essential for a successful career.
 

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Contents

Water Treatment
119
Part III Wastewater Math Concepts
229
Part IV Laboratory Calculations
327
Part V Workbook Practice Problems
345
Appendix A
571
Index
685
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Page 14 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 21 - If the last figure dropped is 5 or more, increase the last retained figure by 1. If the last digit dropped is less than 5, do not increase the last retained figure.
Page 5 - A common factor, or common divisor, of two or more numbers is a factor that will exactly divide each of them. If this factor is the largest factor possible, it is called the greatest common divisor. Thus...

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