Too much penetration when making a root pass can result in _____.

Too much penetration when making a root pass can result in _____.
 
  a. increased slag flow
  b. excessive root reinforcement
  c. arc strikes
  d. insufficient undercut

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[Ques. 2] Welders must maintain a short arc when welding stainless steel to limit atmospheric contamination, which
  causes _____.
 
  a. corrosion
  b. flexibility
  c. hardness
  d. porosity

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[Ques. 3] The root reinforcement on the inside of the pipe from a completed weld should be flush to a maximum of
  _____.
 
  a. 1/8 (3 mm)
  b. 1/4 (6 mm)
  c. 1/16 (1.6 mm)
  d. 1/2 (13 mm)

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[Ques. 4] For open-root V-groove welding of stainless-steel pipe, the bevel angle of the pipe should be _____.
 
  a. 10 to 15 degrees
  b. 20 to 30 degrees
  c. 10 to 30 degrees
  d. 30 to 37-1/2 degrees

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[Ques. 5] Open-root welds on stainless-steel plate generally have a bevel angle of _____.
 
  a. 15 degrees
  b. 27-1/2 degrees
  c. 30 degrees
  d. 37-1/2 degrees