What kind of bead pattern should be avoided when welding stainless steel with GMAW equipment?

What kind of bead pattern should be avoided when welding stainless steel with GMAW equipment?
 
  a. Downhill
  b. Weave
  c. Stringer
  d. Fillet

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[Ques. 2] To control the amount of metal buildup when performing flat fillet welds with GMAW, the welder should
  _____.
 
  a. cool the practice coupon in water
  b. clean the weld with solvent
  c. increase or decrease the travel speed
  d. run the root pass with a 90-degree work angle

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[Ques. 3] Weld beads that are used to build up a surface and to make multiple-pass welds are known as _____.
 
  a. fillet beads
  b. layer beads
  c. crater beads
  d. overlapping beads

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[Ques. 4] An improperly made GMAW restart will create a(n) _____.
 
  a. bead overlap
  b. weave bead
  c. stringer bead
  d. weld discontinuity

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[Ques. 5] Depending upon the transfer mode being used, GMAW electrode extension lengths vary from 1/4 (6.4 mm)
  to _____.
 
  a. 1/2 (12.7 mm)
  b. 3/4 (19.1 mm)
  c. 1 (25.4 mm)
  d. 2 (50.8 mm)