Author Question: Single-groove welds with metal backing are used for _____. a. high-strength, high-quality welds ... (Read 142 times)

Anajune7

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Single-groove welds with metal backing are used for _____.
 
  a. high-strength, high-quality welds
  b. tack welds
  c. temporary welds
  d. single pass fillet welds

Question 2

One backing material used in groove welding is _____.
 
  a. plastic
  b. an inert gas
  c. vinyl
  d. dross



momtoalll

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Answer to Question 1

a

Answer to Question 2

b



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momtoalll

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