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Backflow Prevention Practice Exam Latest Questions And Answers Rated A+ New Update Assured Satisfaction

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Containing a plumbing system from the public water supply requires backflow protection at the _______? A. Appliance or fixture B. Building foundation C. Irrigation system D. Service Connection E. Sprinkler riser - Answer-Service Connection Backflow preventer manufacturers recommend that assemblies be field-tested annually and when_____? A. Installed B. Moved C. Repaired or Installed D. Shut down E. Water suppliers provide notice - Answer-Repaired or Installed A differential pressure gauge reading of 0.2 psid is represented on water column sight tube by _____? A. 1/16 in. (0.16 cm) B. 1/2 in. (1.3 cm) C. 2 in. (5.1 cm) D. 3.5 in. (8.9 cm) E. 5.5 in. (14 cm) - Answer-5.5 in. (14 cm) Pollution of a public water supply suggests the substance in the water is ____? A. Aesthetically bad B. Biological with virus only C. Lowering the pH below 1.4D. Radiological E. Toxic - Answer-Aesthetically bad Backsiphonage may occur when the pressure inside copper tubing is ____? A. Greater than atmospheric pressure B. Greater than barometric pressure C. Greater than 0 gauge pressure D. Less than absolute pressure E. Less than atmospheric pressure - Answer-Less than atmospheric pressure

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