Backflow Prevention Questions Study Material - Test-Ready Solutions Pack

Backflow Prevention Questions Study Material - Test-Ready Solutions Pack Drinking water standards in the United States were first established by the: - answer - Public Health Service Sanitary surveys must be conducted by community water supplies every ________ years - answer - 3 years The AWWA's manual of recommended practice about backflow prevention was first established in: - answer - 1966 The USEPA's Total Coliform Rule contains requirements for: - answer - Cross-connection surveys At the federal regulartory level, cross-connection control is not a: - answer - Funded mandate Under federal law, citizens can sue a water supplier if the quality does not meet: - answer - Federal Standards Utilities are responsible for the water's quality to the last: - answer - Free-flowing tap In 1925, the AWWA determined that_______ were not adequate protection: - answer - check valves A federal court can assess a civil penalty for maintaining a hazardous connection of up to $____ per day. - answer - $15,000 In 1898, a water utility was fined $_____ for supplying poor water. - answer - $5,000 A pump discharge generating 43 psig (297kPa) will result in a water column height of: - answer - 100 ft. (30.5m) (43x2.31 = 99.33) At sea level, the maximum vacuum possible is _____psig (kPa). - answer - 33.9 (234) For backsiphonage to occur in a piping system, the system must experience a: - answer - Pressure below atmospheric pressure A fluid's velocity increase results in a(n): - answer - Reduction in pressure To stop a siphon in a potable water system, one must: - answer - Admit air into the system For fluid to flow, there must be a path and a(n): - answer - Difference in pressure Absolute pressure consists of: - answer - Atmospheric + gauge pressure Negative gauge pressure may result from: - answer - High usage With an equal vacuum applied, a fluid lighter than water will produce a column elevation: - answer - Higher than water The base of a water column 20 feet high will produce a pressure of ______ psig (kPa). - answer - 8.7 (60) (20x .433 = 8.66 or 8.7) The Uniform Plumbing Code states that a direct connection between the potable water piping and sewer connected waste shall: - answer - Not be allowed under any condition According to the Uniform Plumbing Code backflow prevention assembles shall be tested: - answer - All of the above (repaired, installed, relocated) According to the Uniform Plumbing Code, vacuum breakers for hose connections in health care or laboratory areas should be not less than: - answer - 72 inches above the floor The backflow preventer not allowed on an irrigation system is a(n): - answer - Double check valve assembly A flushometer vacuum breaker must be installed above the fixture a minimum of _____ inches (cm). - answer - 6 (15) According to the Uniform Plumbing Code, in building where potable water and nonpotable water systems are installed, each system shall be: - answer - Clearly labeled The Uniform Plumbing Code requires backflow preventers to be tested by a: - answer - Certified backflow tester The critical installation level for a water closet ball cock is ________ inch(es) (cm). - answer - 1 (2.5) A backflow preventer may not be located in an area containing: - answer - Toxic Fumes The Uniform Plumbing Code color code for potable water pipe labels is: - answer - Green with white lettering A single check valve does not provide: - answer - Backflow protection A hose bibb vacuum breaker contains a: - answer - Spring-loaded check valve Flush tanks contain a specialized type of: - answer - Atmospheric vacuum breaker A dual check valve provides protection against: - answer - Elevated downstream pressure and negative supply pressure When a backflow preventer is installed as containment protection on a water service it is recommended that the plumbing system contain: - answer - Expansion tank A dual check valve is not: - answer - in-line testable An application for a dual check with an i