Math for Water Treatment Operators: Practice Problems to Prepare for Water Treatment Operator Certification Exams

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American Water Works Association, Jan 12, 2011 - Engineering mathematics - 365 pages
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Contents

Hardness Problems
112
Solution Percent Solution and Mixture Problems
113
Kilowatt Determinations
114
Water Treatment Grade 2 Test
116
Solutions to Water Treatment Grade 2 Test
119
WATER TREATMENT GRADE 3
125
Volume Problems
127
Percent Determinations
128

Detention Time Calculations
15
Pressure Problems
16
Density Calculations
17
Specific Gravity of Liquids
20
Flow Problems
21
Calculations of Chlorine Dose Demand and Residual
22
Pounds Removal Problems
34
Pump Discharge Problems
35
Pumping Calculations
37
Flow Rate Problems
40
Weir Overflow Rate Problems
41
Surface Loading Rate Calculations
42
Filtration Rate Problems
43
Unit Filter Run Volume Determinations
44
Calculations for Wells
45
Hardness Problems
47
Solution Percent Solution and Mixture Problems
48
Water Consumption
49
WATER TREATMENT GRADE 1 TEST
51
SOLUTIONS TO WATER TREATMENT GRADE 1 TEST
54
WATER TREATMENT GRADE 2
59
Temperature Conversion Problems
62
Percent and Parts per Million Conversion Problems
63
Percent Calculations
64
Average Calculations
66
Area Problems
67
Circumference Problems
68
Volume Problems
69
Watershed Supply Calculations
72
Detention Time Calculations
75
Pressure Problems
77
Density
78
Specific Gravity of Liquids
79
Flow Problems
80
Calculations of Chlorine Dose Demand and Residual
81
Dosage Problems
82
Pounds Removal Problems
95
Pump Discharge Problems
96
Pumping Calculations
98
Flow Rate Problems
102
Weir Overflow Rate Problems
104
Surface Loading Rate Calculations
105
Filtrations Rate Problems
106
Backwash Rate Calculations
107
Unit Filter Run Volume Determinations
108
Calculations for Wells
109
Pressure Problems
129
Detention Time Problems
132
Dosage Problems
137
Ratio Calculations
153
Filtration Rate Problems
154
Backwash Rate Problem
159
Corrosion Problems
161
Softening Calculations
163
Calcium Hardness Calculations
166
Total Hardness As Expressed In Carbonated and Noncarbonate Hardness
170
Ion Exchange Softening Problems
173
Calculations for Chemical Precipitation Softening Process
177
Pounds Removal Problems
185
Flow Rate Calculations
189
Pumping Rate Calculations
195
Pumping Problems
199
Hydraulic Press Calculations
201
Water Treatment Grade 3 Test
204
Solutions to Water Treatment Grade 3 Test
207
CHAPTER 4 WATER TREATMENT GRADE 4
213
Pressure Problems
220
Detention Problems
222
Dosage Problems
226
Lime Dosage Problems
245
Solution Feed Rate Calculations
248
Pounds Removal Problems
251
Percent Solution Mixture Problems
254
Ion Exchange Softening Problems
267
Reverse Osmosis Recovery
272
Percent of Element in a Compound
274
Corrosion Problems
277
Calculations for Chemical Precipitation Softening Process
279
Calculations for Bicarbonate Carbonate and Hydroxide Alkalinity
287
Log Removal and CT Problems
291
Blending Calculations
307
Preparation of Standard Solutions
313
Jar Test Standards
317
Dillution Problems
319
Milliamp Signal Calculations
321
WATER TREATMENT GRADE 4 TEST
323
SOLUTION TO WATER TREATMENT 4 TEST
326
Appendixes
331
Bibliography
361
Additional Resources
363
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