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  • BACKFLOW PREVENTION ASSEMBLY TESTER
  • BACKFLOW PREVENTION ASSEMBLY TESTER
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Backflow Prevention Assembly Tester Practice Exam With Quality Solutions(100% Rated Best For The Final Exam Prep)

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2023/2024 Written for academic year
Institution BACKFLOW PREVENTION ASSEMBLY TESTER
Course BACKFLOW PREVENTION ASSEMBLY TESTER
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In responding to a backflow incident the water purveyor should (A) Call the mayor (B) Implement the emergency response plan (C) Install a vacuum breaker (D) Develop a good excuse - Correct Answer Implement the emergency response plan A mixture of air and gas is considered hazardous when the mixture exceeds what percentage of gthe lower explosive limit (A) 0% (B) 3% (C) 7% (D) 10% - Correct Answer 10% To exert a pressure of 1.0 psi at base of a water column the column would have to be (A) 4.34 high (B) 14.7 high (C) 27.75 high (D) 33.89 high - Correct Answer 27.75 high A DC must be tested (A) Upon installation (B) Every 6 month (C) Annually on a health hazard (D) none of the above - Correct Answer Upon installation An absolute perssure of 25 psiaa (at sea level) is equal to approximately (A) 5 psi (B) 10 psi (C) 20 psi (D) 25 psi - Correct Answer 10 psi Dueing a field test the air inlet on PVB must open at (A) Ab

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  • in responding to a backflow incident the water pur
  • a mixture of air and gas is considered hazardous w
  • to exert a pressure of 10 psi at base of a water
  • a dc must be tested a upon installation b eve
  • du

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