BACKFLOW PREVENTION ASSEMBLY TESTER EXAM WITH LATEST QUESTIONS AND CORRECT ANSWERS ALREADY GRADED A+

BACKFLOW PREVENTION ASSEMBLY TESTER EXAM WITH LATEST QUESTIONS AND CORRECT ANSWERS ALREADY GRADED A+ Backsiphonage - ANS-A backflow condition in which the pressure in the distribution system is less than atmospheric pressure (subatmospheric) Auxiliary Supply (Reclaimed Water) - ANS-Any water source or system, other than the potable water supply, that may be available in the building or premise. Primary consideration when deciding on DC or RP - ANS-Degree of Hazard When testing an RP, the #1 SOV - ANS-is to be left open at all times Containment Protection - ANS-Protects all consumers on a Public Water System Vacuum - ANS-Any pressure less than that exerted by the atmosphere Internal Protection - ANS-The backflow device at the point of use How much does 1 cubic foot of water weigh - ANS-62.4 pounds How much does one gallon of water weigh - ANS-8.3 pounds An RP is not required at the service connection of - ANS-A single family dwelling A perfect vacuum a see level will raise the water level in a pipe a maximum of - ANS-33.9 feet A mixture of air and gas is considered to become hazardous when it exceeds ___ of the lower explosive limit - ANS-10% Vacumm - ANS-Any pressure less than that exerted by the atmosphere Backpressure & Backsiphonage - ANS-Backflow occurs because of what two things maximum distance that an absolute vacuum breaker at sea level will lift a column of water is - ANS-33.9 feet This amount of absolute pressure could cause backsiphonage to occur in a hydraulic system - ANS-10.5 psia When testing DC and the #2 check valve is leaking you must - ANS-Repair the #2 check Each check valve on a DC is designed to hold - ANS-1.0 psid Maximum absolute pressure loss for a DC is - ANS-10 psi Air Inlet on a PVB must open at or above - ANS-1 psid