Welding and General Safety Test - CTE Online

b) Put the caps on the cylinders . c) Purge with acetylene . d) Purge with oxygen . 33. The gas pressure in the regulator is adjusted with the… a) G screw . b) B screw. c) Screwdriver. d) T screw. 34. When setting an oxygen regulator for welding, it should be at about____ PSI and an acetylene regulator should be set at … ................
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