Backflow Questions and Answers | Latest Update | 2024/2025 | Graded A+

Backflow Questions and Answers | Latest Update | 2024/2025 | Graded A+ 40 psi equals how many feet of water 92.4 inches A column of water 100 feet in height equals how many psi? 43.3 inches A column of water one foot high generates how many psi? .433 According to USC what is the correct heigh to install a PVB Min of 12 inches above highest down stream point. According to USC what type of protection does a PVB provide 1. backisphonge 2. Pollutant 3. Containment Actual Cross Connection Any arrangement of pipes, fittings, or devices that connects a potable water supply DIRECTLY to a non-potable source at all times. Air Gap In plumbing, the unobstructed vertical distance though the free atmosphere between the lowest opening from any pipe or outlet supplying water to a tank, plumbing fixtures. or other container, and the over flow rom of that container. Atmospheric Vacuum Breaker A mechanical device consisting of a float check valve and an air-inlet port designed to prevent backsphonage. Auxiliary Supply Any water source or system other than the potable water supply, that may be available in the building or premises. Back Pressure A backflow condition in which a pump, elevated tank, boiler, or other means results in a downstream pressure greater than the supply pressure. Backflow A hydraulic condition, caused by a difference in pressures in which non-potable water or other fluids flow into a potable water system. Backsiphonage A backflow condition in which the pressure in the distribution system is less than atmospheric pressure. Biological Pollutant organism that does not cause illnesses Bypass In cross-connection control, any pipe arrangement that passes water around a protective device causing it to be ineffective