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Author Question: When brazing very small joints or thin metal, the type of flame used in order to prevent the base ... (Read 102 times)

Ebrown

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on: Jul 24, 2018
When brazing very small joints or thin metal, the type of flame used in order to prevent the base metal from
  melting is a(n) _____.
 
  a. carburizing flame
  b. neutral flame
  c. oxidizing flame
  d. non-feathering flame

Question 2

When an oxygen analyzer is used, the maximum percentage of oxygen generally allowed for an acceptable
  welding atmosphere is _____.
 
  a. 1 percent
  b. 4 percent
  c. 9 percent
  d. 14 percent


stano32

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

a

Answer to Question 2

a


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