Product Description
by Ken Tesh (Author)
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
