The position of a groove weld is determined by the pipe's _____.

The position of a groove weld is determined by the pipe's _____.
 
  a. outside diameter
  b. interior diameter
  c. axis
  d. thickness

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[Ques. 2] The pipe axis position can vary by 5 degrees from the nominal 45-degree angle in the _____.
 
  a. 1G position
  b. 2G position
  c. 5G position
  d. 6G position

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[Ques. 3] The inside diameter of the pipe will be reduced and flow restricted if the root pass has _____.
 
  a. too little penetration
  b. excessive root reinforcement
  c. excessive concavity
  d. incomplete fusion

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[Ques. 4] The standard electrode extension for FCAW-S with 0.045 (1.1 mm) wire and an insulating nozzle is _____.
 
  a. 1/4 to 3/8 (6 to 9.5 mm)
  b. 1/4 to 3/4 (6 to 19 mm)
  c. 1/2 to 1-1/2 (13 to 38 mm)
  d. 3/4 to 1-1/4 (19 to 32 mm)

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[Ques. 5] Higher welding heat, deeper penetration, and higher beads result from a higher _____.
 
  a. voltage
  b. travel speed
  c. arc length
  d. current