SC Plumber Contractor Practice Questions - South Carolina Plumber Contractor Examination Exam

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A small low-pressure natural-gas piping system (volume less than 10 cubic feet) is tested with air or inert gas. What is the minimum test pressure and duration required by the IFGC?

1.5 psi for 5 minutes 3 psi for 10 minutes 5 psi for 15 minutes 50 psi for 15 minutes

Correct Answer:

3 psi for 10 minutes

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