AZ ROC R-37 Plumbing & Solar Practice Questions - Arizona ROC R-37 Plumbing Including Solar (Residential) Examination Exam

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When sizing a water supply service pipe using the standard IPC developed length sizing method, what percentage allowance is standardly added to the measured length of pipe to account for friction loss through fittings and valves if exact fitting losses are not itemized?

10 percent 25 percent 50 percent 100 percent

Correct Answer:

50 percent

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