Author Question: On a GTAW torch, to change an electrode or adjust its stickout, the welder loosens the _____. A) ... (Read 47 times)

sdfghj · **on:** Jul 24, 2018

On a GTAW torch, to change an electrode or adjust its stickout, the welder loosens the _____.

A) nozzle gasket B) gas nozzle C) electrode back cap D) retaining cup

Question 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) allow welding current to be pulsed
C) increase the duty cycle to 100 percent D) cause excessive nozzle vibration