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Author Question: When using GTAW on aluminum pipe, complete penetration must be achieved on the _____. a. cover ... (Read 21 times)

jrubin

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When using GTAW on aluminum pipe, complete penetration must be achieved on the _____.
 
  a. cover pass
  b. hot pass
  c. tack welds
  d. root pass

Question 2

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



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flexer1n1

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Answer to Question 1

d

Answer to Question 2

b





 

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