AZ ROC C-56 Welding Practice Questions - Arizona ROC C-56 Welding Examination Exam

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According to safe trade practices and compressed gas regulations, what is the maximum safe working gauge pressure for free acetylene gas in an oxyacetylene system?

15 psig (103 kPa) 30 psig (207 kPa) 50 psig (345 kPa) 250 psig (1,724 kPa)

Correct Answer:

15 psig (103 kPa)

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