SC HVAC Contractor Practice Questions - South Carolina HVAC Contractor License Exam

What is the proper procedure for testing a gas line for leaks?

Use a lit match Pressure test with air or nitrogen and verify no pressure drop; use soap bubble solution or electronic detector for specific leak locations Smell for gas odor No testing required for residential gas lines

Correct Answer:

Pressure test with air or nitrogen and verify no pressure drop; use soap bubble solution or electronic detector for specific leak locations

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