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nevinjoshy2001 nevinjoshy2001
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6 years ago
Arc length is determined by the _____.
 
  a. distance
  b. voltage
  c. base metal
  d. filler metal


[Ques. 2] For a V-groove weld with backing, the width of the backing strips should be _____.
 
  a. 1/2 (13 mm)
  b. 1 (25 mm)
  c. 1-1/2 (38 mm)
  d. 2 (51 mm)


[Ques. 3] Cracks that occur in the heat-affected zone (HAZ) at the grain boundaries are called _____.
 
  a. magnesium cracks
  b. liquation cracks
  c. ductile cracks
  d. solidification cracks


[Ques. 4] /
  Of the unacceptable weld profiles shown in the figure above, which one represents undercut?
 
  a. A
  b. B
  c. C
  d. D


[Ques. 5] The absorption of hydrogen into the weld pool is the primary cause of _____.
 
  a. undercut
  b. excessive reinforcement
  c. porosity
  d. solidification cracks
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peytonjlpeytonjl
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Posts: 351
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6 years ago
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6 years ago
Such an awesome helper!
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