Water Distribution Grade 1 Certification ADEQ Practice Exam Already Passed
What is the general definition of an ion? An _________ with a positive or negative charge Atom A continuous positive pressure in a distribution system is essential for preventing what event? Backflow Event _____________ water pressure must be maintained to ensure adequate customer service during peak flow periods. However, minimum positive pressure must be maintained in mains to protect against backflow or backsiphonage from cross-connections. Minimum Name the most common CAUSE for public water supply contamination. _________________ or cross-connection Backflow What does a backsiphonage condition usually cause? __________ pressure or negative pressure on the service or supply side. Reduced
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water distribution grade 1 certification
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