Back Flow Practice Test Questions and Answers with complete solution
The unintentional reversal of flow in a potable water system which may result in contamination or pollution of the system. A. cross connection B. backflow C. backpressure backgflow D. backsiphonage backflow - Answer-B. Backflow A device installed in the potable water supply to a system that contains a pullutant or contaminant to prevent backflow into the potable water system within the facility A. backflow B. backflow prevention device C. backflow pressure backflow D. isolation backflow device - Answer-D. isolation backflow device A connection made to the potable water system whereby the risk from backflow occuring would be limited to the pollution of the potable water with objectionable but nontoxic substances. A. health hazard (low) B. health hazard (High) C. pollution D. contamination - Answer-A. Health Hazard (Low) Any device, method, or construction used to prevent the backward flow of liquids, solids, or gases into potable distribution system. A. backflow prevention device B. air gap C. isolution backflow device D. backsiphonage backflow - Answer-A. backflow prevention deviceA mechanical device consisting of a float check valve and an air inlet port designed to prevent backsiphonage A. back flow B. pollution C. air gap D. atmospheric vacuum breaker - Answer-D. atmospheric vacuum breaker
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