NV A-20 Industrial Piping Practice Questions - Nevada A-20 Industrial Piping Contractor Examination Exam

Welding on an in-place industrial piping system normally requires a hot-work permit so that:

Combustibles, flammable atmospheres, and fire watch are controlled before the arc is struck The welder can skip fire watch if the pipe is wet The building fire alarm can be permanently disabled Oxygen can be used to accelerate the weld

Correct Answer:

Combustibles, flammable atmospheres, and fire watch are controlled before the arc is struck

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