Title: Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC ... Post by: 123kduncan on Feb 23, 2018 Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC welding
are _____. a. lanthanated b. pure c. irradiated d. thoriated [Ques. 2] Setting the amperage at 200 amps for a welding machine that is rated 300 amps at 60-percent duty cycle will _____. a. reduce the shielding gas flow rate by 30 percent b. cause excessive nozzle vibration c. increase the duty cycle to 100 percent d. allow welding current to be pulsed [Ques. 3] When welding open-root V-groove welds in the horizontal position, do not _____. a. feather tack welds with a grinder b. use weave beads c. chip and clean each pass d. use stringer beads [Ques. 4] If you see the label TIG on a welding machine, that machine is considered to be what kind of a welding machine? a. Stick b. FCAW c. GMAW d. GTAW [Ques. 5] When the plates are vertical but the axis of the weld is horizontal, the code for this position of groove weld is _____. a. 1G b. 2G c. 3G d. 4G Title: Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC ... Post by: princess34 on Feb 23, 2018 Content hidden
Title: Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC ... Post by: 123kduncan on Feb 23, 2018 :heavy_check_mark:
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