This updated study guide follows the new requirements established by the ABC. It is organized by certification levels I, II, III, and IV. Questions are ranked for comprehension, application and analysis. With twice as many vetted questions, operators get practice with questions similar to the exam. Answers are provided. Math and chemistry answers include the steps to solve the problems.

This book offers 1,400 plus practice questions and answers so that you can take your water operator certification exam with confidence.

Pass your wastewater certification exam the first time! This study guide is specially developed to give wastewater operators practice answering questions that are similar in format and content to the questions that appear on certification exams. Sample questions are provided for grades 1, 2, 3, and 4 wastewater operator certification exams, so you can study the questions that are specific to your grade level. Answers and references are included for questions. Math questions include the method to solve. AWWA's most popular operator training aid, this study guide is specially designed to give water operators and students practice in answering questions that are similar in format and content to the questions that appear on state certification exams. Sample questions and answers for both wastewater treatment and collections systems are included.

This book contains 4 full-length practice exams for water treatment certification. Each practice exam consists of 100 questions, which test the operator's knowledge of water treatment concepts and ability to solve relevant math problems. The 400 common test questions contained in this book are based on actual exams.The questions cover the following topics:1. Water source2. Reservoirs and intakes3. Coagulation and flocculation4. Sedimentation5. Filtration6. Disinfection7. Corrosion8. Taste and odor9. Plant operations10. Lab procedures11. Safety12. Drinking water regulations13. Pumps . The book is geared towards those who are in the earlier stages of their career, such as the first two certification levels.

Who is this book for? This book is for anyone studying for the Grade 2 Water Distribution Operator Certification Exam. It's intended for newer operators. Grade 2 refers to the second certification level from the bottom. What's inside this book? This book contains three full-length practice tests that are based on the Grade 2 Water Distribution Operator Certification Exam. Each exam consists of 100 questions, which test your knowledge of water distribution concepts, and your ability to solve relevant math problems. There are a total of 300 questions in this book. Which topics are covered in this book? Concepts: 1. Water regulations 2. Water sources 3. Water mains 4. Tanks and reservoirs 5. Hydrants 6. Water meters 7. Valves 8. Water services 9. Cross connection 10. Wells 11. Pumps and motors 12. Disinfection 13. Operation and maintenance 14. Safety 15. Security and emergency preparedness 16. Mapping 17. Water quality 18. Hydraulics 19. Backflow devices 20. Sampling 21. Leak detection 22. Cathodic protection 23. Flushing Water math: 1. Disinfection 2. Lbs of chlorine gas required 3. Lbs of calcium hypochlorite required 4. Lbs of sodium hypochlorite required 5. Gallons of sodium hypochlorite required 6. Chlorine demand 7. Mixing solutions 8. Air line in a well 9. Specific capacity of a well 10. Pumps - energy cost 11. Pumping water to a tank 12. Water meters 13. Water pressure in a tank 14. Water level in a tank 15. Fill time for a tank 16. Fill time for a pipeline 17. Detention time 18. Flushing 19. Flowrate 20. Water velocity 21. Water usage from a tank

Drinking water systems in Illinois are operated and maintained by certified Drinking Water Operators who are technically competent. The Class D exam has topics that focus on the water distribution system. We create these self-practice water distribution test questions referencing the principles and concepts currently valid in the exam. Each question comes with an answer and a short explanation which aids you in seeking further study information. For purpose of exam readiness drilling, this product includes questions that have varying numbers of choices. Some have 2 while some have 5 or 6. We want to make sure these questions are tough enough to really test your readiness and draw your focus to the weak areas. You should use this product together with other study resources for the best possible exam prep coverage.