WELDING- RED SEAL PREP | 2023 | 110 Questions with 100% Correct Answers | Updated & Verified
Define low carbon steel - Steel with a carbon range of .05-.3% carbon Define medium carbon steel - Steel with a carbon range of .3-.45% carbon What's the rule of thumb for tungsten end prep? - 2.5x E ø What can excessive spatter and undercut of weld bean be caused by? - High current When using a E4918 electrode and the arc is seen to be pulsing. What is the likely cause? - Wrong polarity What rod should not be stored in a rod oven? - Cellulosic MIG welding is almost always in what polarity? - DCEP When GMAW welding how is gas control regulated? - Flowmeter What does a CC mode require? - Voltage sensing wire feeder
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- August 3, 2023
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