Plumbing Exam exam 2023 with 100% correct answers
Which backflow preventer is not a testable device? a. PVB b. DCAP c. RP d. DCVA - correct answer B A flat roof measuring 20m by 26m with a horizontal wall on one side extended up 6m by 20m. Size the circular rain water leader if the local 15 minute rain fall intensity is 24mm? a. 2 b. 7 c. 9 d. 6 - correct answer D This type of trap is not permitted in a drainage system? a. S trap standard b. bell trap c. P trap d. drum trap - correct answer B This is not
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