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Author Question: A high-voltage, high-frequency current used in GTAW work creates an arc that can jump a gap of about ... (Read 298 times)

ts19998

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on: Jul 24, 2018
A high-voltage, high-frequency current used in GTAW work creates an arc that can jump a gap of about
  _____.
 
  a. 1/4 inch (6.4 mm)
  b. 1/2 inch (12.7 mm)
  c. 3/4 inch (19.1 mm)
  d. 1 inch (25.4 mm)

Question 2

GTAW is most commonly performed using _____.
 
  a. constant voltage
  b. alternating current with low frequency
  c. direct current electrode positive (DCEP)
  d. direct current electrode negative (DCEN)


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blfontai

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Reply #1 on: Jul 24, 2018
Answer to Question 1

b

Answer to Question 2

d


ts19998

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  • Posts: 531
Reply 2 on: Jul 24, 2018
Excellent

amandanbreshears

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Reply 3 on: Yesterday
Wow, this really help

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