On a GTAW torch, to change an electrode or adjust its stickout, ...

[sdfghj]

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

[firehawk60]

Answer to Question 1

C

Answer to Question 2

C

[sdfghj]

Gracias!

[jojobee318]

Excellent